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Dr. Shawn K. Mathias, MD

Accepting New Patients

(Dr. Shawn Karl Mathias, M.D)

(78 Ratings)

Specializes in: Adult Cardiology

Creighton University School of Medicine (2006)

212 Frontage Road
Clemson, SC 29631

(864) 654-5855

Dr. Shawn K. Mathias, MD is a cardiologist in Clemson, SC specializing in adult cardiology. He graduated from Creighton University School of Medicine in 2006 and has 20 years of experience. Dr. Shawn K. Mathias, MD is affiliated with Bon Secours, BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC and Bon Secours - St. Francis Hospital.

Office Locations

212 Frontage Road
Clemson, SC 29631

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702 North A Street
Easley, SC 29642

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2 Innovation Drive Suite 400
Greenville, SC 29607

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Noteworthy Medicare Patient Procedures Performed by Dr. Shawn K. Mathias, MD in 2023

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

Top 5%

By Affordability:

prothrombin time test

transesophageal echocardiography

In 2023, Dr. Shawn K. Mathias, MD had a list price for blood tests, coagulation (blood clotting) tests, lab tests, liver function tests (LFTs), prothrombin time (PT) test, and transesophageal echocardiography (TEE) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within South Carolina. 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:

transesophageal echocardiography

By Affordability:

cardiac imaging

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within South Carolina, Dr. Shawn K. Mathias, MD performed more transesophageal echocardiography (TEE) procedures for Medicare patients than 75% of them and he also had a list price for cardiac imaging, hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of them. 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2012 were hospital care, inpatient care, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

cardiac procedures	29
catheterization	11
diagnostic procedures	11
doctor visit	164
hospital care	88
inpatient care	88
lab tests	42
minimally invasive procedures	11
nuclear scan	18
stress testing	18
vascular procedures	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2013 were hospital care, inpatient care, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

cardiac procedures	185
catheterization	26
diagnostic procedures	26
doctor visit	1141
hospital care	350
inpatient care	350
lab tests	331
minimally invasive procedures	26
nuclear scan	67
stress testing	85
ultrasound (sonogram)	74
vascular procedures	26

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	385
Female	476

**Ethnicity**
Non-Hispanic White	813
Black	35
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	339
From 75 to 84	302
85 and over	122
Less than 65	98

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	30
Chronic Obstructive Pulmonary Disease	29
Diabetes	34
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2014 were lab tests, hospital care, inpatient care and cardiac procedures.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

cardiac procedures	66
catheterization	11
diagnostic procedures	11
doctor visit	1298
hospital care	372
inpatient care	361
lab tests	438
minimally invasive procedures	11
nuclear scan	55
outpatient care	11
stress testing	55
vascular procedures	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	398
Female	447

**Ethnicity**
Non-Hispanic White	807
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	305
From 75 to 84	314
85 and over	139
Less than 65	87

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	56
Depression	23
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	7
Atrial Fibrilation	35
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2015 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

ambulatory monitoring	28
cardiac procedures	292
doctor visit	1099
hospital care	204
inpatient care	204
lab tests	146
nuclear scan	13
stress testing	28
ultrasound (sonogram)	236

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	762
Female	832

**Ethnicity**
Non-Hispanic White	1502
Black	58
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	606
From 75 to 84	600
85 and over	248
Less than 65	140

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	58
Depression	24
Chronic Kidney Disease	32
Asthma	16
Osteoperosis	8
Atrial Fibrilation	36
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2016 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

ambulatory monitoring	23
cardiac procedures	466
doctor visit	1305
hospital care	251
inpatient care	251
lab tests	164
nuclear scan	68
stress testing	135
ultrasound (sonogram)	308

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	551
Female	503

**Ethnicity**
Non-Hispanic White	960
Black	69
Hispanic	11
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	423
From 75 to 84	364
85 and over	157
Less than 65	110

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	60
Depression	24
Chronic Kidney Disease	37
Asthma	23
Osteoperosis	9
Atrial Fibrilation	32
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2017 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

ambulatory monitoring	48
cardiac procedures	600
cardioversion	21
doctor visit	1669
hospital care	279
inpatient care	279
lab tests	236
minimally invasive procedures	21
nuclear scan	93
stress testing	186
ultrasound (sonogram)	366

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	662
Female	645

**Ethnicity**
Non-Hispanic White	1179
Black	88
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	525
From 75 to 84	495
85 and over	190
Less than 65	97

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2017

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	59
Depression	25
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	10
Atrial Fibrilation	36
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2018 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

ambulatory monitoring	36
cardiac procedures	598
cardioversion	26
doctor visit	1294
hospital care	453
inpatient care	442
lab tests	234
minimally invasive procedures	61
nuclear scan	96
outpatient care	11
stress testing	195
ultrasound (sonogram)	367

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	649
Female	617

**Ethnicity**
Non-Hispanic White	1156
Black	83
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	481
From 75 to 84	476
85 and over	209
Less than 65	100

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	60
Depression	27
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	10
Atrial Fibrilation	37
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2019 were cardiac procedures, hospital care, ultrasound (sonogram) and inpatient care.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

ambulatory monitoring	21
cardiac procedures	734
cardioversion	22
doctor visit	1088
hospital care	572
inpatient care	545
lab tests	212
minimally invasive procedures	112
nuclear scan	78
outpatient care	27
stress testing	156
ultrasound (sonogram)	557

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	750
Female	701

**Ethnicity**
Non-Hispanic White	1330
Black	86
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	534
From 75 to 84	557
85 and over	261
Less than 65	99

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	60
Depression	28
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	10
Atrial Fibrilation	39
Heart Failure	41
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

cardiac procedures	672
cardioversion	29
doctor visit	1062
hospital care	398
inpatient care	398
lab tests	187
minimally invasive procedures	70
nuclear scan	57
stress testing	115
ultrasound (sonogram)	557

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	797
Female	778

**Ethnicity**
Non-Hispanic White	1381
Black	138
Hispanic	0
Asian	0
Other	38
Native American	0

**Age**
From 65 to 74	596
From 75 to 84	588
85 and over	278
Less than 65	113

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	61
Depression	31
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	11
Atrial Fibrilation	34
Heart Failure	37
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2021 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

cardiac procedures	545
cardioversion	35
doctor visit	916
hospital care	549
inpatient care	549
lab tests	205
minimally invasive procedures	96
nuclear scan	44
stress testing	89
ultrasound (sonogram)	456

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	620
Female	657

**Ethnicity**
Non-Hispanic White	1145
Black	95
Hispanic	0
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	458
From 75 to 84	502
85 and over	235
Less than 65	82

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	61
Depression	27
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	13
Atrial Fibrilation	38
Heart Failure	38
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

cardiac procedures	689
cardioversion	21
doctor visit	878
hospital care	357
inpatient care	357
lab tests	207
minimally invasive procedures	94
nuclear scan	46
stress testing	92
ultrasound (sonogram)	597

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	739
Female	715

**Ethnicity**
Non-Hispanic White	1314
Black	84
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	513
From 75 to 84	628
85 and over	253
Less than 65	60

Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	52
Depression	26
Chronic Kidney Disease	33
Asthma	12
Osteoperosis	15
Atrial Fibrilation	45
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Shawn K. Mathias, MD for Medicare patients.

The highest averages for the top procedures that Dr. Shawn K. Mathias, MD treated as a cardiologist in Clemson, SC were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

ambulatory monitoring	31
cardiac procedures	443
cardioversion	25
catheterization	16
diagnostic procedures	16
doctor visit	1083
hospital care	352
inpatient care	347
lab tests	218
minimally invasive procedures	55
nuclear scan	57
outpatient care	16
stress testing	104
ultrasound (sonogram)	390
vascular procedures	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Shawn K. Mathias, MD.

**Gender**
Male	573
Female	579

**Ethnicity**
Black / African American	69
Asian / Pacific Islander	0
Non-Hispanic White	1053
Hispanic	1
Native American / Alaskan Native	0
Other	14

**Age**
75 to 84	438
85 and over	190
Less than 65	89
65 to 74	434

Average of Total of Conditions of Medicare patients treated by Dr. Shawn K. Mathias, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Shawn K. Mathias, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	52
Depression	23
Chronic Kidney Disease	34
Asthma	11
Osteoporosis	9
Heart Failure	31
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Atrial Fibrillation	33
Cancer	11
Dementia	13

Education & Training

Dr. Shawn K. Mathias, MD graduated from Creighton University School of Medicine in 2006. He completed residency at Creighton University Affiliated Hospitals. He is certified by the American Board of Internal Medicine (Internal Medicine, Cardiovascular Disease) and has a state license in Nebraska.

Medical School: Creighton University School of Medicine (2006)

Residency: Creighton University Affiliated Hospitals (2009)

Board Certification: American Board of Internal Medicine (Internal Medicine, Cardiovascular Disease)

Licensed In: Nebraska

Affiliations & Hospitals

Dr. Shawn K. Mathias, MD is associated with these hospitals and organizations:

Bon Secours

BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC

Bon Secours - St. Francis Hospital

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. Shawn K. Mathias, MD appears to accept the following insurance providers: CorVel, WellCare, Medicare Advantage, MultiPlan, United Healthcare, Medicaid, Humana, Cigna, Anthem, WellPoint, Molina Healthcare, Payer Provider, Sedgwick/Careworks KY OH SC VA, America's 1st Choice SC, DOL SC, Absolute Total Care SC, Medicare SC, Aetna Health Insurance Company SC, Medicare Railroad (Palmetto GBA) SC, CIN-Greenville, Bright Health Plan, Medcost SC, EON Health, Select Health Network SC, Blue Cross Blue Shield SC and Employer Health Network SC.

Insurance Accepted by Provider includes:

According to our sources, Dr. Shawn K. Mathias, MD accepts the following insurance providers:

CorVel

WellCare

Medicare Advantage

MultiPlan

United Healthcare

Medicaid

Humana

Cigna

Anthem

WellPoint

Molina Healthcare

Payer Provider

Sedgwick/Careworks KY OH SC VA

America's 1st Choice SC

DOL SC

Absolute Total Care SC

Medicare SC

Aetna Health Insurance Company SC

Medicare Railroad (Palmetto GBA) SC

CIN-Greenville

Bright Health Plan

Medcost SC

EON Health

Select Health Network SC

Blue Cross Blue Shield SC

Employer Health Network SC

Ratings & Reviews

Dr. Shawn K. Mathias, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 78 ratings. We collect ratings and reviews of Dr. Shawn K. Mathias, MD from all over the web to help you find the right in Clemson, SC.

Overall Rating

(78 Ratings)

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Reviews From Around The Web

Overall Rating: 5.0 2025-06-13

Patient verified via Press Ganey

He also apologized for my wait because the other patients had all come on time for their appointments, so couldn't fit me in sooner. Dr Mathias has always been very supportive and always explains his findings and his plan going forward.

Overall Rating: 5.0 2025-02-08

Patient verified via Press Ganey

I received excellent service. Both Dr Mathias and the nurse listened to my concerns and addressed them in a satisfactory manner.

Overall Rating: 5.0 2025-06-12

Patient verified via Press Ganey

They treat me really well I have no complaints about my doctor or the nurses or his staff never I always enjoy my visit to him

Overall Rating: 5.0 2025-09-11

Patient verified via Press Ganey

Dr Mathias was very current on the latest types of cardiac issues that made us feel very comfortable with his treatment plan

Overall Rating: 5.0 2024-09-09

Patient verified via Press Ganey

Strongly recommend. Very patient and listens carefully. Well versed in my condition and documents things well.

Overall Rating: 5.0 2025-05-29

Patient verified via Press Ganey

Dr. Mathias explained a lot about statin meds, and also explained tests I had so I understood them.

Overall Rating: 5.0 2025-08-15

Patient verified via Press Ganey

My doctor explained everything about my treatment plan in a way that I could understand.

Overall Rating: 5.0 2025-05-17

Patient verified via Press Ganey

I am hoping he will be my Cardiologist for the rest of my life in this system

Overall Rating: 5.0 2025-10-26

Patient verified via Press Ganey

Dr explained everything to me about my health and how to take care of myself

Overall Rating: 5.0 2025-07-18

Patient verified via Press Ganey

Dr. Mathias is an excellent, knowledgeable physician. Excellent doctor.

To see all 78 reviews for Dr. Shawn K. Mathias, MD, view their full profile.

General Payments

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

**Payments by Company**
Boston Scientific Corporation	$2,322 WATCHMAN $1,849	WATCHMAN Access System $173	Watchman Device $110	VIGILANT $60	EMBLEM $49	Other $80
Janssen Pharmaceuticals, Inc	$2,062 XARELTO $1,931	INVOKANA $131
Amgen Inc.	$1,282 Repatha $1,214	Corlanor $62	$7
Boehringer Ingelheim Pharmaceuticals, Inc.	$643 Pradaxa $317	JARDIANCE $294	Praxbind $32
E.R. Squibb & Sons, L.L.C.	$589 ELIQUIS $589
Other	$5,161 Diamondback Coronary $473	BRILINTA $418	PRALUENT $405	ELIQUIS $378	LifeVest $259	Other $3,228

**Types of Payments**
Food and Beverage	$10,925
Travel and Lodging	$1,010
Education	$124

Biography

Dr. Shawn Mathias is a specialist in adult cardiology in Greenville, SC, Easley, SC, and Clemson, SC. Dr. Mathias is affiliated with Bon Secours. After attending Creighton University School of Medicine, he completed his residency training at a hospital affiliated with Creighton University. He is rated 5.0 stars (out of 5) by his patients. Dr. Mathias usually is in-network for Anthem, Blue California, and CorVel, as well as other insurance carriers. According to Doctor.com, new patients are welcome to contact his office in Greenville, SC.