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Home > WA Providers > Otolaryngologists / Ear, Nose & Throat (ENT) Doctors

Dr. Sean Michael Demars, MD

Accepting New Patients

(307 Ratings)

Specializes in: Otolaryngology (Ear, Nose, and Throat)

University of Virginia School of Medicine (2003)

Professional interests include: tympanoplasty, myringoplasty, mucocele (mucous cyst), and more.

780 Swift Boulevard Floor 3
Richland, WA 99352

(509) 942-3178

Dr. Sean Michael Demars, MD is an otolaryngologist in Richland, WA specializing in otolaryngology (ear, nose, and throat). He graduated from University of Virginia School of Medicine in 2003 and has 23 years of experience. Dr. Sean Michael Demars, MD is affiliated with Providence.

Office Locations

780 Swift Boulevard Floor 3
Richland, WA 99352

open_in_new

Some issues Dr. Sean Michael Demars, MD can help you with:

Parathyroid Surgery

Parathyroid surgery is a procedure done to identify and remove diseased parathyroid glands. These tiny glands in the neck regulate calcium levels in the body. Occasionally, one or more of the parathyroid glands can become hyperactive, swelling and causing too much calcium to be moved from the bones to the bloodstream. This is called hyperparathyroidism, and it can cause problems including weakness, nervous system disorders, and kidney problems. To treat hyperparathyroidism, overactive parathyroid glands are removed.

One kind of parathyroid surgery is called bilateral neck exploration. The surgeon finds and looks at all of the parathyroid glands on both sides of the neck, visually identifying any that are diseased and removing them. Minimally invasive, or focused, parathyroidectomy is done to remove a single diseased gland. The gland causing problems is identified before surgery using localization techniques such as hormonal or radiology testing. Since in most cases only one gland is causing problems, focused parathyroidectomy is a common alternative to bilateral neck exploration. Both procedures are safe and effective.

In the rare case that all four glands are diseased, the surgeon will either remove three and a half glands and leave one half in place, or all four will be removed and part of one gland will be transplanted into the forearm. This is done to keep calcium levels where they should be.

After surgery, patients will have a bandage on their neck and a sore throat. Patients may only want liquids or very soft food for the first day, and thy may be asked to take calcium supplements for a while until their remaining parathyroid glands begin functioning well again. Recovery is fairly quick, and within a few days patients should be feeling like themselves again.

Thyroid Surgery

Thyroid surgery is a procedure to remove all or part of the thyroid gland. The thyroid is a small, butterfly-shaped gland in the lower neck that regulates the hormones that manage metabolism. Thyroid surgery, also known as thyroidectomy, treats thyroid disorders such as hyperthyroidism (overactive thyroid), hypothyroidism (underactive thyroid), goiters (noncancerous thyroid inflammation), and thyroid cancer. It may also be used to remove thyroid nodules or cysts that have a risk of becoming cancerous.

Both hypothyroidism and goiters are caused by an autoimmune reaction where the body produces antibodies that attack the thyroid cells for unknown reasons. The thyroid reacts by releasing too little or too much T3 and T4 thyroid hormones, impairing thyroid function and causing irregular metabolism. Goiters develop from the autoimmune reaction causing continued antibody damage to the thyroid over time. Thyroid goiters are large, swollen lumps that can be felt near the base of the neck. Obstructive goiters can cause pain, coughing, and abnormal breathing. Hypothyroidism may also be caused by iodine deficiency, as iodine is needed to produce thyroid hormones.

The exact cause of thyroid cancer and thyroid nodules or cysts is unknown. While thyroid cancer and thyroid nodules or cysts can occur in individuals with thyroid disorders, they are not associated with a malfunctioning thyroid.

Physicians may prescribe thyroid surgery if blood tests reveal patients' thyroid stimulating hormones (TSA) are outside of the acceptable range, indicating a malfunctioning thyroid. Thyroid biopsies (tissue samples) and tests for thyroid-attacking antibodies are also criteria for surgery.

An ENT or general surgeon performs thyroid surgery. While a patient is placed under anesthesia, the surgeon makes an incision at the center of the neck and removes the thyroid gland. Two alternative methods of thyroid surgery are transoral (incision through the mouth) and endoscopic, where a surgeon operates a video camera for live footage to help guide the removal process.

Thyroid surgery requires minimal aftercare. Most patients recover quickly and resume normal activities within a few days of surgery. However, thyroid surgery patients must take daily synthetic thyroid medication (levothyroxine) for life to replace their removed thyroid.

Tonsillectomy

Tonsillectomy is a surgical procedure to remove both tonsils and is most widely used to treat tonsillitis (tonsil inflammation), which occurs when the tonsils (two tissue glands in the back of the throat) become infected and enlarged. Sleep disorders such as snoring and sleep apnea are frequently caused by tonsilitis. Similar conditions that tonsillectomy may treat include recurring throat infections (6 or more per year) and obstructed breathing from enlarged tonsils that block the airway.

Tonsillectomies are usually performed on children; however, many adults also undergo the procedure. A tonsillectomy generally only lasts for about half an hour following the administration of anesthesia. The otolaryngologist (ENT) or surgeon performing a tonsillectomy may employ a variety of medical techniques, such as:

Cold Knife Dissection: A cold knife dissection is the most popular tonsil removal method. A surgeon removes the tonsils using a steel scalpel and repairs the region with sutures (stitches) or electrocautery (high heat) to stop bleeding. This technique is favored for those with obstructed breathing.
Electrocautery: Other tonsillectomy methods include a full tonsil removal by electrocautery, where the surgeon uses a high heat device to burn off the tonsils and cauterize the bleeding tissue. Electrocautery is more painful than cold knife dissection.
Harmonic Scalpel: A third technique is where the surgeon uses a harmonic scalpel (vibrating bladed device) to first cut off the tonsils, and then coagulate bleeding using the harmonic scalpel's heat and vibration. Harmonic scalpel is the most precise form of tonsillectomy.
Radiofrequency Ablation: To perform the radiofrequency ablation technique, the surgeon places small probes into the tonsil that transmit radiofrequency energy to the tonsil tissue. The delivered energy damages and scars the tonsils, gradually minimizing the tonsils' size. Unlike the other three methods, radiofrequency ablation is performed in-office with or without general anesthesia and has minimal recovery time. Patients can expect to return to daily activities nearly immediately and may receive radiofrequency ablation every few months. While radiofrequency ablation does reduce tonsil inflammation, it is not often prescribed to those with severe tonsillitis or breathing disorders.

Patients are typically able to return home shortly after having their tonsils removed. Tonsillectomy recovery time may range from around ten days to two weeks. During this time, it is common for patients to have a sore throat, neck pain, and a hoarse voice. Patients are advised to consume soft foods such as ice cream and applesauce to avoid further throat irritation. After recovering from tonsillectomy, many patients experience improved breathing, reduced irritation, and an overall improved quality of life.

In The News

“Smokers had a bleeding rate of 10.2% compared with 6.7% overall in a study of 1,010 patients, Sean M. Demars, M.D., of Madigan Army Medical Center, and colleagues, reported in the August issue of...”—"Smoking May Increase Bleeding Risk After Type of Tonsillectomy", MedPage Today, August 2008

Noteworthy Medicare Patient Procedures Performed by Dr. Sean Michael Demars, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

diagnostic flexible laryngoscopy

diagnostic laryngoscopy

endoscopic nasal biopsy

endoscopic nasal debridement

endoscopic nasal polypectomy

endoscopic nasal surgery

endoscopic sinus surgery

fiberoptic laryngoscopy

flexible laryngoscopy

In 2023, Dr. Sean Michael Demars, MD had a list price for diagnostic flexible laryngoscopy, diagnostic laryngoscopy, endoscopic nasal biopsy, endoscopic nasal debridement, endoscopic nasal polypectomy, endoscopic nasal surgery, endoscopic sinus surgery, fiberoptic laryngoscopy, flexible laryngoscopy, laryngeal (voice box) procedures, laryngoscopy, nasal endoscopy, nose surgery, and sinus surgery that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Washington. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

diagnostic flexible laryngoscopy

endoscopy

laryngoscopy

In 2012, Dr. Sean Michael Demars, MD performed more diagnostic flexible laryngoscopy, endoscopy, and laryngoscopy procedures for Medicare patients than 75% of providers in related specialties within Washington.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2012 were minimally invasive procedures, laryngeal (voice box) procedures, ear procedures and diagnostic procedures.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

diagnostic procedures	12
doctor visit	130
ear procedures	28
laryngeal (voice box) procedures	35
minimally invasive procedures	35

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2013 were minimally invasive procedures, laryngeal (voice box) procedures and ear procedures.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

doctor visit	320
ear procedures	29
laryngeal (voice box) procedures	49
minimally invasive procedures	49

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	108
Female	154

**Ethnicity**
Non-Hispanic White	247
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	90
85 and over	39
Less than 65	26

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2013

Hypertension	57
High Cholesterol	42
Stroke	5
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	15
Asthma	6
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2014 were minimally invasive procedures, laryngeal (voice box) procedures, ear procedures and CT scan.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	17
doctor visit	363
ear procedures	32
laryngeal (voice box) procedures	62
minimally invasive procedures	62

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	124
Female	180

**Ethnicity**
Non-Hispanic White	277
Black	0
Hispanic	0
Asian	0
Other	0
Native American	14

**Age**
From 65 to 74	136
From 75 to 84	108
85 and over	33
Less than 65	27

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2014

Hypertension	51
High Cholesterol	39
Stroke	5
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	14
Asthma	7
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	5
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2015 were minimally invasive procedures, laryngeal (voice box) procedures, CT scan and ear procedures.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	34
doctor visit	329
ear procedures	16
laryngeal (voice box) procedures	55
minimally invasive procedures	55
nose surgery	11
submucous resection (SMR)	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	270
Female	292

**Ethnicity**
Non-Hispanic White	516
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	182
85 and over	60
Less than 65	78

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2015

Hypertension	50
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	23
Depression	23
Chronic Kidney Disease	20
Asthma	15
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	23
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2016 were minimally invasive procedures, laryngeal (voice box) procedures and CT scan.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	34
doctor visit	321
laryngeal (voice box) procedures	83
minimally invasive procedures	83

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	138
Female	135

**Ethnicity**
Non-Hispanic White	255
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	88
85 and over	25
Less than 65	30

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2016

Hypertension	55
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	21
Asthma	20
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	20
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2017 were minimally invasive procedures, laryngeal (voice box) procedures and CT scan.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	31
doctor visit	299
laryngeal (voice box) procedures	83
minimally invasive procedures	83

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	122
Female	139

**Ethnicity**
Non-Hispanic White	243
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	78
85 and over	23
Less than 65	32

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2017

Hypertension	59
High Cholesterol	28
Stroke	5
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2018 were minimally invasive procedures, laryngeal (voice box) procedures, CT scan and ear procedures.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	36
doctor visit	284
ear procedures	19
laryngeal (voice box) procedures	64
minimally invasive procedures	64

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	122
Female	125

**Ethnicity**
Non-Hispanic White	226
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	65
85 and over	34
Less than 65	33

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2018

Hypertension	53
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2019 were minimally invasive procedures, CT scan, laryngeal (voice box) procedures and ear procedures.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	50
diagnostic procedures	16
doctor visit	282
ear procedures	34
laryngeal (voice box) procedures	40
minimally invasive procedures	51
nose surgery	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	109
Female	125

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	72
85 and over	28
Less than 65	27

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2019

Hypertension	53
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	24
Depression	29
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2020 were minimally invasive procedures, laryngeal (voice box) procedures, CT scan and ear procedures.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	35
diagnostic procedures	16
doctor visit	314
ear procedures	29
laryngeal (voice box) procedures	49
minimally invasive procedures	49

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	105
Female	128

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	61
85 and over	26
Less than 65	17

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2020

Hypertension	52
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	24
Asthma	5
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2021 were minimally invasive procedures, laryngeal (voice box) procedures, CT scan and ear procedures.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

CT scan	26
doctor visit	294
ear procedures	13
laryngeal (voice box) procedures	42
minimally invasive procedures	42

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	118
Female	141

**Ethnicity**
Non-Hispanic White	236
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	77
85 and over	28
Less than 65	18

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2021

Hypertension	60
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	27
Depression	24
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA during 2022 were minimally invasive procedures, laryngeal (voice box) procedures, ear procedures and nose surgery.

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

debridement (removal of unhealthy tissue)	20
diagnostic procedures	20
doctor visit	390
ear procedures	35
excision	20
gynecologic procedures	20
laryngeal (voice box) procedures	57
minimally invasive procedures	77
nose surgery	32
removal of lesion (e.g. growth)	20
submucous resection (SMR)	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	124
Female	144

**Ethnicity**
Non-Hispanic White	238
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	108
85 and over	21
Less than 65	19

Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD in 2022

Hypertension	69
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	12
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Sean Michael Demars, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sean Michael Demars, MD treated as an otolaryngologist in Richland, WA were minimally invasive procedures, laryngeal (voice box) procedures, CT scan and ear procedures.

CT scan	32
debridement (removal of unhealthy tissue)	20
diagnostic procedures	16
doctor visit	302
ear procedures	26
excision	20
gynecologic procedures	20
laryngeal (voice box) procedures	56
minimally invasive procedures	59
nose surgery	18
removal of lesion (e.g. growth)	20
submucous resection (SMR)	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Sean Michael Demars, MD.

**Gender**
Male	121
Female	142

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	242
Native American / Alaskan Native	1
Hispanic	1
Other	0

**Age**
75 to 84	84
85 and over	28
Less than 65	27
65 to 74	122

Average of Total of Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Sean Michael Demars, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	50
High Cholesterol	36
Stroke	2
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	19
Asthma	8
Osteoporosis	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Atrial Fibrillation	9
Dementia	3
Cancer	11

Education & Training

Dr. Sean Michael Demars, MD graduated from University of Virginia School of Medicine in 2003. He completed residency at Madigan Army Medical Center. He is certified by the American Board of Otolaryngology - Head and Neck Surgery, Otolaryngology and has a state license in Montana.

Medical School: University of Virginia School of Medicine (2003)

Residency: Madigan Army Medical Center (2008)

Board Certification: American Board of Otolaryngology - Head and Neck Surgery, Otolaryngology

Licensed In: Montana

Affiliations & Hospitals

Dr. Sean Michael Demars, MD is associated with these hospitals and organizations:

Providence

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Sean Michael Demars, MD appears to accept the following insurance providers: Humana PPO, CIGNA PPO, Medicare Advantage, TriWest, TRICARE, Medicaid, Humana, Cigna, United Healthcare Medicaid, OptumHealth Behavioral Solutions (United Behavioral Health), United Healthcare PPO, Providence, Humana HMO, First Health, Regence, WellPoint, Kaiser Permanente, Asuris Northwest Health PPO, Premera PPO, Naphcare, Moda PPO, Evernorth PPO and First Choice PPO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Sean Michael Demars, MD accepts the following insurance providers:

Humana PPO

CIGNA PPO

Medicare Advantage

TriWest

TRICARE

Medicaid

Humana

Cigna

United Healthcare Medicaid

OptumHealth Behavioral Solutions (United Behavioral Health)

United Healthcare PPO

Providence

Humana HMO

First Health

Regence

WellPoint

Kaiser Permanente

Asuris Northwest Health PPO

Premera PPO

Naphcare

Moda PPO

Evernorth PPO

First Choice PPO

Ratings & Reviews

Dr. Sean Michael Demars, MD has an exceptional overall rating with an average of 4.92 out of 5 stars based on 307 ratings. We collect ratings and reviews of Dr. Sean Michael Demars, MD from all over the web to help you find the right in Richland, WA.

4.92

Overall Rating

(307 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2023-12-17

Patient verified via Press Ganey

Excellent, efficient and professional visit, explaining my condition in detail and the necessary steps to mitigate my issue. Recommended steps and treatment provided resulted in quickly resolving my issue, resulting in full recovery in short order. Only issue encountered was the resulting effect the medication had on blood sugar (prednisone), which was managed after recognizing the connection. Overall, great technical explanation of my issue and how I got the condition, and the answers I needed to return to normal health, quite likely just in time to prevent future damage.

Overall Rating: 4.0 2023-03-23

Patient verified via Press Ganey

Two procedures were performed during this office visit, to determine if I had potential cancer. Dr. Demars was clear about what he saw, but also cautioned that test results from the biopsy needed confirmation. I was only a little surprised to hear the news, but also not prepared to ask questions, but he did explain very well the referrals and expectations moving forward. I, personally respect his candid approach. I have not started treatment yet, insurance controls every step of the way, unfortunately not the doctors, but they do try to get things expedited.

Overall Rating: 5.0 2024-04-20

Patient verified via Press Ganey

Dr. Demar was very informative and listened to me about my medical problem, reviewing the history and prior attempts by another to resolve the problem. He then did a procedure to check my current condition, reviewed and explained a recent scan and developed a treatment plan with a return appointment to assess progress and modify treatment, as needed. He was very professional and knowledgeable. I am very confident in his ability to assist in effectively resolving the current medical issue.

Overall Rating: 2.0 2025-10-21

Patient verified via Press Ganey

He was nice and friendly then asked a question that I neede time to respond to. I actually gave wrong answer, he seemed like he was in a hurry then, so I really do not think I got the cotprrect care. FUSTRATED as my ear is still bothering me and see no improvement after waiting 3 months to see hi,. Please give doctors time to help their new patients, I'm so disappointed!

Overall Rating: 5.0 2025-03-21

Patient verified via Press Ganey

He is persistent in addressing my medical issue which is more complicated because of other medical complications. I really appreciate his willingness to continue pursuing a treatment plan to resolve my ongoing medical issue. He has helped improve my quality of life and is continuing to try to assure that the medical condition is successfully treated and resolved.

Overall Rating: 5.0 2024-10-14

Patient verified via Press Ganey

He listened and responded as though he heard what I said. He is explained in a matter that explained what the year-old test and present were different and how the technician a year ago that explained why the procedure needed to be done again when my primary was overly causal. My primary did not understand that I was told that two nodules appeared to be precancer.

Overall Rating: 3.0 2025-10-04

Patient verified via Press Ganey

I was given a sheet to check a list of medical conditions. The doctor did not look at or review the list with me. I regret not being more assertive in requesting a review and discussion of the information provided which would have been helpful in diagnosing my situation and left with much uncertainty regarding the cause of my discomfort.

Overall Rating: 5.0 2025-12-16

Patient verified via Press Ganey

Dr DeMars is always knowledgeable, helpful and friendly. He discusses treatment options thoroughly, makes recommendations on his findings, and leaves the decision to me. He answers all my questions in a way that's easy to understand, and is patient when I continue to ask more questions. I really appreciate him.

Overall Rating: 5.0 2023-08-22

Patient verified via Press Ganey

My providers appear intensely focused on providing adequate care in a timely manner with the expectation that I also act responsibly in doing my part to achieve the desired goal in healthcare, taking in consideration the needs and wants of all parties involved, without unnecessary disruption or waste.

Overall Rating: 5.0 2025-02-01

Patient verified via Press Ganey

I appreciate Dr Demars dedication to finding solutions for my chronic sinus problems that have plagued me through my entire adult life. Together we are succeeding and I am so grateful for his talents, professionalism, bed-side manner and dedication to restoring health.

To see all 307 reviews for Dr. Sean Michael Demars, MD, view their full profile.

General Payments

These charts describe general payments received by Dr. Sean Michael Demars, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Intersect ENT, Inc.	$2,987 Propel $2,929	SINUVA $58
Stryker Corporation	$2,037 ENTELLUS - XPRESS ENT DILATION SYSTEM $910	ENTELLUS - ENTELLUS MEDICAL SHAVER SYSTEM $372	ENTELLUS - FIAGON SINUS NAVIGATION SYSTEM $360	ENTELLUS - FOCESS HD WIRELESS CAMERA $152	SPIROX - LATERA $125	Other $117
Medtronic USA, Inc.	$1,409 FUSION $1,409
Entellus Medical, Inc.	$1,256 XprESS Multi-Sinus Dilation System $744	XprESS Sinus and Eustachian Tube Dilation Tool $511
Acclarent, Inc	$1,082 ACCLARENT Balloon Inflation Device $101	Rhinology $29	TruDi $18	$934
Other	$963 KEYTRUDA $100	NATPARA $49	XARTEMIS XR $47	Image Guided Surgery Products $33	RHINAER STYLUS $24	Other $710

**Types of Payments**
Travel and Lodging	$6,604
Food and Beverage	$2,993
Consulting Fee	$100
Education	$38

Biography

Dr. Sean Demars is a specialist in otolaryngology (ear, nose, and throat). He is a graduate of the University of Virginia School of Medicine and a graduate of Madigan Army Medical Center's residency program. Areas of expertise for Dr. Demars include neck abscess, otosclerosis, and throat abscess. His average rating from his patients is 5.0 stars (out of 5). Regence, Blue California, and United Healthcare PPO are among the insurance carriers that Dr. Demars honors. He is affiliated with Kadlec Regional Medical Center and Providence. According to Doctor.com, he is currently accepting new patients at his office in Richland, WA.

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Dr. Sean Michael Demars, MD

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Average Medicare Procedure Volume From 2012 - 2022

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Average of Total of Conditions of Medicare patients treated by Dr. Sean Michael Demars, MD From 2012 - 2022

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Otolaryngologists / Ear, Nose & Throat (ENT) Doctors in Nearby Locations

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