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Dr. Matthew J. Coates, MD

Accepting New Patients
(Dr. Matthew James Coates, M.D.)

(No ratings)

Specializes in: General Surgery, Orthopedics/Orthopedic Surgery and Bariatrics (Obesity Treatment)
The University of Sydney Medical School
Professional interests include: minimally invasive surgery, laparoscopic hernia repair, abdominal surgery, and more.
1409 East Briggsmore Avenue
Modesto, CA 95355

Dr. Matthew J. Coates, MD is a general surgeon in Modesto, CA specializing in general surgery, orthopedics/orthopedic surgery and bariatrics (obesity treatment). He graduated from The University of Sydney Medical School. Dr. Matthew J. Coates, MD is affiliated with Sutter Health, Central Valley Medical Group, SURGICAL ASSOCIATES INC and CENTRAL CALIFORNIA BARIATRIC SURGERY A MEDICAL CORPORATION.

View Doctor's Full Profile (209) 830-4062

Office Locations

1001 Sylvan Avenue Suite A
Modesto, CA 95350
(209) 248-7168
(209) 846-9641
open_in_new

Sutter Health

1409 East Briggsmore Avenue
Modesto, CA 95355
(209) 830-4062
open_in_new

Central Valley Medical Group

1552 Coffee Road Suite 200
Modesto, CA 95355
(209) 248-7168
(209) 846-9641
open_in_new
2545 West Hammer Lane
Stockton, CA 95209
open_in_new
445 West Eaton Avenue
Tracy, CA 95376
open_in_new

Central Valley Medical Group

644 East Harding Way Suite B
Stockton, CA 95204
(209) 244-9191
(209) 244-9190
open_in_new

Some issues Dr. Matthew J. Coates, 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.

Weight Loss Surgery (Bariatric Surgery)

Bariatric or weight-loss surgery is a surgical procedure performed to help significantly obese patients lose weight when more traditional methods, such as dieting and exercise, have not helped. Depending on the type, these surgeries change the gastrointestinal tract to limit how much food can be eaten and also change how food is absorbed by the body. Of the various bariatric surgeries available, the most common is gastric bypass.

By far the most common of the gastric bypass surgeries is called Roux-en-Y. During this surgery, part of the stomach and small intestine are detached from the gastrointestinal tract, in order to make the tract smaller. The surgeon divides the stomach into two parts. The working stomach, at the end of the esophagus, is now tiny - only the size of a walnut. This makes patients feel full after eating a small amount of food. Then the small intestine is also divided, and after bypassing a section of the small intestine to reduce food absorption, the intestine is attached to the small stomach pouch. The patient now has a working stomach and intestine like before, only much smaller.

Because gastric bypass is used to treat extreme obesity, it can reduce the risk of some of the problems associated with obesity. Gastric bypass can help treat or reduce the risk for such conditions as heart disease, high blood pressure, sleep apnea, and type 2 diabetes. However, it is a major surgery and also carries risks itself. Any surgery can lead to infection, bleeding, or blood clots, and weight loss surgery in particular carries risks of leaks in the gastrointestinal system, malnutrition, bowel obstructions, and vomiting.

Typically patients are considered candidates for gastric bypass surgery if they have a BMI greater than 40, or sometimes if they have a BMI between 35 and 40 but are suffering from obesity-related illnesses such as diabetes. The outlook is generally good, with most patients losing between 50-75% of their excess weight in 1-2 years. However, patients must follow strict diet guidelines so that the stomach can heal, starting with no food at all, then followed by a liquid diet for some time. For many severely obese patients who have tried strict diets before without success, gastric bypass surgery is the tool that allows them to finally achieve their weight loss and health goals.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

hospital care 17
inpatient care 17

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

hospital care 204
inpatient care 204

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 50
Female 81
Ethnicity
Non-Hispanic White 94
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 46
From 75 to 84 0
85 and over 0
Less than 65 53

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2013

Hypertension 75
High Cholesterol 52
Stroke 9
Ischemic Heart Disease 38
Depression 35
Chronic Kidney Disease 42
Asthma 19
Osteoperosis 0
Atrial Fibrilation 13
Heart Failure 30
Chronic Obstructive Pulmonary Disease 31
Diabetes 43
Dementia 16
Cancer 11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

doctor visit 152
hospital care 75
inpatient care 75

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 46
Female 90
Ethnicity
Non-Hispanic White 88
Black 0
Hispanic 33
Asian 0
Other 0
Native American 0
Age
From 65 to 74 38
From 75 to 84 0
85 and over 0
Less than 65 76

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2014

Hypertension 75
High Cholesterol 56
Stroke 8
Ischemic Heart Disease 40
Depression 39
Chronic Kidney Disease 34
Asthma 21
Osteoperosis 0
Atrial Fibrilation 16
Heart Failure 29
Chronic Obstructive Pulmonary Disease 24
Diabetes 48
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2015 were hospital care, inpatient care, bypass surgery and minimally invasive procedures.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

bypass surgery 13
doctor visit 274
gastrointestinal procedures 13
hospital care 83
inpatient care 83
minimally invasive procedures 13
weight management 13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 102
Female 212
Ethnicity
Non-Hispanic White 204
Black 0
Hispanic 66
Asian 0
Other 0
Native American 0
Age
From 65 to 74 78
From 75 to 84 0
85 and over 0
Less than 65 186

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2015

Hypertension 74
High Cholesterol 55
Stroke 0
Ischemic Heart Disease 32
Depression 47
Chronic Kidney Disease 35
Asthma 29
Osteoperosis 0
Atrial Fibrilation 11
Heart Failure 24
Chronic Obstructive Pulmonary Disease 23
Diabetes 56
Dementia 0
Cancer 11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

doctor visit 84

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 26
Female 60
Ethnicity
Non-Hispanic White 51
Black 0
Hispanic 21
Asian 0
Other 0
Native American 0
Age
From 65 to 74 24
From 75 to 84 0
85 and over 0
Less than 65 51

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2016

Hypertension 75
High Cholesterol 47
Stroke 0
Ischemic Heart Disease 34
Depression 33
Chronic Kidney Disease 48
Asthma 35
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 20
Chronic Obstructive Pulmonary Disease 23
Diabetes 50
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

doctor visit 284
hospital care 64
inpatient care 64

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 109
Female 180
Ethnicity
Non-Hispanic White 188
Black 23
Hispanic 65
Asian 0
Other 0
Native American 0
Age
From 65 to 74 86
From 75 to 84 24
85 and over 19
Less than 65 160

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2017

Hypertension 75
High Cholesterol 49
Stroke 9
Ischemic Heart Disease 36
Depression 43
Chronic Kidney Disease 53
Asthma 23
Osteoperosis 8
Atrial Fibrilation 12
Heart Failure 22
Chronic Obstructive Pulmonary Disease 20
Diabetes 49
Dementia 11
Cancer 0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

doctor visit 1295
hospital care 60
inpatient care 60

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 184
Female 427
Ethnicity
Non-Hispanic White 382
Black 53
Hispanic 151
Asian 0
Other 0
Native American 0
Age
From 65 to 74 196
From 75 to 84 46
85 and over 11
Less than 65 358

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2018

Hypertension 74
High Cholesterol 52
Stroke 5
Ischemic Heart Disease 32
Depression 41
Chronic Kidney Disease 50
Asthma 20
Osteoperosis 5
Atrial Fibrilation 9
Heart Failure 20
Chronic Obstructive Pulmonary Disease 20
Diabetes 52
Dementia 7
Cancer 6

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2019 were hospital care, inpatient care, minimally invasive procedures and weight management.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

bypass surgery 19
doctor visit 951
gastrointestinal procedures 35
hospital care 60
inpatient care 60
minimally invasive procedures 35
weight management 35

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 151
Female 358
Ethnicity
Non-Hispanic White 305
Black 50
Hispanic 125
Asian 0
Other 0
Native American 0
Age
From 65 to 74 163
From 75 to 84 48
85 and over 14
Less than 65 284

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2019

Hypertension 75
High Cholesterol 53
Stroke 4
Ischemic Heart Disease 34
Depression 39
Chronic Kidney Disease 53
Asthma 22
Osteoperosis 5
Atrial Fibrilation 11
Heart Failure 19
Chronic Obstructive Pulmonary Disease 17
Diabetes 56
Dementia 6
Cancer 8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

doctor visit 119
hospital care 63
inpatient care 63

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 67
Female 133
Ethnicity
Non-Hispanic White 126
Black 0
Hispanic 56
Asian 0
Other 0
Native American 0
Age
From 65 to 74 61
From 75 to 84 30
85 and over 18
Less than 65 91

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2020

Hypertension 74
High Cholesterol 59
Stroke 9
Ischemic Heart Disease 35
Depression 42
Chronic Kidney Disease 57
Asthma 19
Osteoperosis 8
Atrial Fibrilation 11
Heart Failure 24
Chronic Obstructive Pulmonary Disease 26
Diabetes 54
Dementia 17
Cancer 12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2021 were hospital care, inpatient care, minimally invasive procedures and weight management.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

doctor visit 125
gastrointestinal procedures 12
hospital care 60
inpatient care 60
minimally invasive procedures 12
weight management 12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 85
Female 127
Ethnicity
Non-Hispanic White 128
Black 0
Hispanic 58
Asian 0
Other 0
Native American 0
Age
From 65 to 74 70
From 75 to 84 27
85 and over 16
Less than 65 99

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2021

Hypertension 75
High Cholesterol 56
Stroke 9
Ischemic Heart Disease 39
Depression 49
Chronic Kidney Disease 53
Asthma 18
Osteoperosis 6
Atrial Fibrilation 10
Heart Failure 34
Chronic Obstructive Pulmonary Disease 21
Diabetes 54
Dementia 13
Cancer 8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

doctor visit 180
hospital care 46
inpatient care 46

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 69
Female 145
Ethnicity
Non-Hispanic White 123
Black 17
Hispanic 60
Asian 0
Other 0
Native American 0
Age
From 65 to 74 65
From 75 to 84 0
85 and over 0
Less than 65 122

Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD in 2022

Hypertension 75
High Cholesterol 70
Stroke 10
Ischemic Heart Disease 28
Depression 46
Chronic Kidney Disease 29
Asthma 26
Osteoperosis 8
Atrial Fibrilation 21
Heart Failure 26
Chronic Obstructive Pulmonary Disease 25
Diabetes 44
Dementia 7
Cancer 5

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Matthew J. Coates, MD for Medicare patients.

The highest averages for the top procedures that Dr. Matthew J. Coates, MD treated as a general surgeon in Modesto, CA were hospital care, inpatient care, minimally invasive procedures and weight management.

bypass surgery 16
doctor visit 384
gastrointestinal procedures 20
hospital care 73
inpatient care 73
minimally invasive procedures 20
weight management 20

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Matthew J. Coates, MD.

Gender
Male 80
Female 164
Ethnicity
Black / African American 13
Asian / Pacific Islander 0
Non-Hispanic White 153
Hispanic 57
Native American / Alaskan Native 0
Other 0
Age
75 to 84 15
85 and over 7
Less than 65 134
65 to 74 75

Average of Total of Conditions of Medicare patients treated by Dr. Matthew J. Coates, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Matthew J. Coates, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension 67
High Cholesterol 49
Stroke 5
Ischemic Heart Disease 31
Depression 37
Chronic Kidney Disease 41
Asthma 21
Osteoporosis 3
Heart Failure 22
Chronic Obstructive Pulmonary Disease 20
Diabetes 46
Atrial Fibrillation 10
Cancer 5
Dementia 7

Education & Training

Dr. Matthew J. Coates, MD graduated from The University of Sydney Medical School. He completed residency at San Joaquin General Hospital. He is certified by the Board Certification: Surgery and has a state license in California.

Medical School: The University of Sydney Medical School

Residency: San Joaquin General Hospital

Board Certification: Board Certification: Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Matthew J. Coates, MD is associated with these hospitals and organizations:

Sutter Health
Central Valley Medical Group
SURGICAL ASSOCIATES INC
CENTRAL CALIFORNIA BARIATRIC SURGERY A MEDICAL CORPORATION

Ratings & Reviews

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General Payments

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

Payments by Company
Intuitive Surgical, Inc. $2,565 Da Vinci Surgical System
$2,565
Covidien LP $1,453 LigaSure
$649 		Endo Stapling
$350 		Sonicision
$121 		Signia
$92 		Battery-Powered Devices
$71 		Other
$170
Zimmer Biomet Holdings, Inc. $877 RibFix Blu
$794 		Walter
$83
Medtronic, Inc. $623 Signia
$389 		Sonicision
$218 		TA
$17
NUVASIVE, INC. $538 ALIF
$484 		XLIF
$54
Other $1,213 Valleylab FT10
$138 		ENTYVIO
$132 		HARMONIC Product Family
$115 		Endoscopy: Endocutters
$113 		Echelon; Endopath
$79 		Other
$636
Types of Payments
Food and Beverage $3,495
Travel and Lodging $2,668
Education $1,000
Consulting Fee $106

Biography

Dr. Matthew Coates specializes in general surgery, orthopedics/orthopedic surgery, and bariatrics (obesity treatment). His areas of expertise include the following: puberty, anal fissures, and thyroid surgery. He studied medicine at The University of Sydney Medical School. Dr. Coates trained at San Joaquin General Hospital for his residency. Dr. Coates's professional affiliations include Sutter Health and Central Valley Medical Group. His practice in Stockton, CA is open to new patients as reported by Central Valley Medical Group.

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