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Dr. David Gregg IV, MD

Accepting New Patients

(129 Ratings)

Specializes in: Adult Cardiology

Columbia University, College of Physicians and Surgeons (1999)

Professional interests include: patent foramen ovale

171 Ashley Avenue
Charleston, SC 29425

(843) 792-1414

Dr. David Gregg IV, MD is a cardiologist in Charleston, SC specializing in adult cardiology. He graduated from Columbia University, College of Physicians and Surgeons in 1999 and has 27 years of experience. Dr. David Gregg IV, MD is affiliated with MUSC Health and UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL.

Office Locations

171 Ashley Avenue
Charleston, SC 29425

(843) 792-1414

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Noteworthy Medicare Patient Procedures Performed by Dr. David Gregg IV, MD in 2023

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

Top 5%

By Volume:

transesophageal echocardiography

In 2023, Dr. David Gregg IV, MD performed more transesophageal echocardiography (TEE) procedures for Medicare patients than 95% of providers in related specialties within South Carolina.

Top 10%

By Volume:

echocardiogram

stress echo

In 2023, Dr. David Gregg IV, MD performed more echocardiogram (echo), and stress echo procedures for Medicare patients than 90% of providers in related specialties within South Carolina.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2012 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	901
doctor visit	234
hospital care	292
inpatient care	292
minimally invasive procedures	149
stress testing	29
ultrasound (sonogram)	901

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2013 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	779
doctor visit	256
hospital care	243
inpatient care	243
minimally invasive procedures	142
stress testing	26
ultrasound (sonogram)	779

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1163
Female	1054

**Ethnicity**
Non-Hispanic White	1521
Black	646
Hispanic	18
Asian	18
Other	14
Native American	0

**Age**
From 65 to 74	952
From 75 to 84	553
85 and over	184
Less than 65	528

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	14
Ischemic Heart Disease	57
Depression	29
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	7
Atrial Fibrilation	29
Heart Failure	41
Chronic Obstructive Pulmonary Disease	20
Diabetes	40
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2014 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	849
doctor visit	248
hospital care	257
inpatient care	236
minimally invasive procedures	127
outpatient care	21
stress testing	23
ultrasound (sonogram)	849

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1260
Female	1139

**Ethnicity**
Non-Hispanic White	1656
Black	680
Hispanic	23
Asian	21
Other	19
Native American	0

**Age**
From 65 to 74	1049
From 75 to 84	589
85 and over	176
Less than 65	585

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	13
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	39
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2015 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	776
cardioversion	14
doctor visit	294
hospital care	459
inpatient care	430
minimally invasive procedures	152
outpatient care	29
stress testing	22
ultrasound (sonogram)	776

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	2318
Female	2114

**Ethnicity**
Non-Hispanic White	3062
Black	1218
Hispanic	40
Asian	0
Other	76
Native American	0

**Age**
From 65 to 74	1852
From 75 to 84	1282
85 and over	338
Less than 65	960

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	54
Depression	30
Chronic Kidney Disease	46
Asthma	17
Osteoperosis	8
Atrial Fibrilation	33
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2016 were ultrasound (sonogram), cardiac procedures, minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	830
cardioversion	11
doctor visit	293
hospital care	114
inpatient care	114
minimally invasive procedures	178
stress testing	24
ultrasound (sonogram)	830

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1226
Female	1138

**Ethnicity**
Non-Hispanic White	1620
Black	670
Hispanic	25
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	980
From 75 to 84	627
85 and over	194
Less than 65	563

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	54
Depression	30
Chronic Kidney Disease	50
Asthma	24
Osteoperosis	7
Atrial Fibrilation	30
Heart Failure	41
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2017 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	812
cardioversion	23
doctor visit	300
hospital care	285
inpatient care	285
minimally invasive procedures	195
stress testing	19
ultrasound (sonogram)	812

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1349
Female	1117

**Ethnicity**
Non-Hispanic White	1728
Black	654
Hispanic	0
Asian	18
Other	47
Native American	0

**Age**
From 65 to 74	1008
From 75 to 84	695
85 and over	213
Less than 65	550

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	13
Ischemic Heart Disease	57
Depression	33
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	8
Atrial Fibrilation	35
Heart Failure	45
Chronic Obstructive Pulmonary Disease	24
Diabetes	42
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2018 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	871
cardioversion	36
doctor visit	270
hospital care	432
inpatient care	432
minimally invasive procedures	171
stress testing	39
ultrasound (sonogram)	871

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1097
Female	977

**Ethnicity**
Non-Hispanic White	1393
Black	610
Hispanic	19
Asian	0
Other	38
Native American	0

**Age**
From 65 to 74	812
From 75 to 84	561
85 and over	203
Less than 65	498

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	15
Ischemic Heart Disease	61
Depression	33
Chronic Kidney Disease	59
Asthma	10
Osteoperosis	8
Atrial Fibrilation	34
Heart Failure	52
Chronic Obstructive Pulmonary Disease	23
Diabetes	44
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2019 were ultrasound (sonogram), cardiac procedures, minimally invasive procedures and stress testing.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	1183
cardioversion	25
doctor visit	268
minimally invasive procedures	174
stress testing	59
ultrasound (sonogram)	1183

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1209
Female	0

**Ethnicity**
Non-Hispanic White	1609
Black	591
Hispanic	27
Asian	0
Other	51
Native American	0

**Age**
From 65 to 74	958
From 75 to 84	681
85 and over	205
Less than 65	452

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	16
Ischemic Heart Disease	60
Depression	33
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	9
Atrial Fibrilation	32
Heart Failure	47
Chronic Obstructive Pulmonary Disease	24
Diabetes	41
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2020 were ultrasound (sonogram), cardiac procedures, minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	1082
cardioversion	16
doctor visit	175
hospital care	69
inpatient care	69
minimally invasive procedures	137
stress testing	51
ultrasound (sonogram)	1082

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1197
Female	1075

**Ethnicity**
Non-Hispanic White	1561
Black	605
Hispanic	29
Asian	0
Other	53
Native American	0

**Age**
From 65 to 74	930
From 75 to 84	662
85 and over	211
Less than 65	469

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	14
Ischemic Heart Disease	59
Depression	32
Chronic Kidney Disease	57
Asthma	11
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	49
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2021 were ultrasound (sonogram), cardiac procedures, minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	1250
doctor visit	255
hospital care	58
inpatient care	58
minimally invasive procedures	122
stress testing	46
ultrasound (sonogram)	1250

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1361
Female	1208

**Ethnicity**
Non-Hispanic White	1881
Black	570
Hispanic	24
Asian	0
Other	72
Native American	0

**Age**
From 65 to 74	1101
From 75 to 84	774
85 and over	235
Less than 65	459

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	13
Ischemic Heart Disease	58
Depression	29
Chronic Kidney Disease	54
Asthma	9
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	48
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC during 2022 were ultrasound (sonogram), cardiac procedures, minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

cardiac procedures	979
doctor visit	237
hospital care	108
inpatient care	108
minimally invasive procedures	143
stress testing	51
ultrasound (sonogram)	979

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1000
Female	876

**Ethnicity**
Non-Hispanic White	1403
Black	381
Hispanic	0
Asian	0
Other	59
Native American	0

**Age**
From 65 to 74	762
From 75 to 84	606
85 and over	218
Less than 65	290

Conditions of Medicare patients treated by Dr. David Gregg IV, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	13
Atrial Fibrilation	44
Heart Failure	43
Chronic Obstructive Pulmonary Disease	27
Diabetes	37
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David Gregg IV, MD for Medicare patients.

The highest averages for the top procedures that Dr. David Gregg IV, MD treated as a cardiologist in Charleston, SC were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

cardiac procedures	937
cardioversion	20
doctor visit	257
hospital care	231
inpatient care	226
minimally invasive procedures	153
outpatient care	25
stress testing	35
ultrasound (sonogram)	937

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David Gregg IV, MD.

**Gender**
Male	1198
Female	972

**Ethnicity**
Black / African American	602
Asian / Pacific Islander	5
Non-Hispanic White	1584
Hispanic	18
Native American / Alaskan Native	0
Other	42

**Age**
75 to 84	639
85 and over	197
Less than 65	486
65 to 74	945

Average of Total of Conditions of Medicare patients treated by Dr. David Gregg IV, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	51
Depression	27
Chronic Kidney Disease	45
Asthma	11
Osteoporosis	7
Heart Failure	40
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Atrial Fibrillation	29
Cancer	13
Dementia	12

Education & Training

Dr. David Gregg IV, MD graduated from Columbia University, College of Physicians and Surgeons in 1999. He is certified by the internal medicine, cardiovascular disease and adult congenital heart disease and has a state license in South Carolina.

Medical School: Columbia University, College of Physicians and Surgeons (1999)

Residency: (2001)

Board Certification: internal medicine, cardiovascular disease and adult congenital heart disease

Licensed In: South Carolina

Affiliations & Hospitals

Dr. David Gregg IV, MD is associated with these hospitals and organizations:

MUSC Health

UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL

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. David Gregg IV, MD appears to accept the following insurance providers: CIGNA Medicare, Aetna Medicare, Great-West Healthcare, WellCare, Community Care Network (CCN), United Healthcare, TRICARE, Employers Health Network, Medicaid, Humana, Cigna, Coventry, Blue Choice, First Health, MedCost, Molina Healthcare, Group Health Plan (GHP), Medicare A & B (Traditional Medicare), Blue Cross Blue Shield State Health Plan for South Carolina, Blue Cross Blue Shield Preferred Blue (PPC), BCBS Blue Essentials (Marketplace), Aetna (Preferred Provider Organization), Blue Cross Blue Shield Planned Administrators, First Choice/Select Health (NEIC), Absolute Total Care (NEIC), Clover Health, Blue Cross Blue Shield Medicare, Aetna (Open Choice), AllWell by Absolute Total Care, Aetna (Managed Choice), Blue Cross Blue Shield Federal (FEP), Ambetter from Absolute Total Care (Marketplace), First Choice Next and Aetna (Exclusive Choice).

Insurance Accepted by Provider includes:

According to our sources, Dr. David Gregg IV, MD accepts the following insurance providers:

CIGNA Medicare

Aetna Medicare

Great-West Healthcare

WellCare

Community Care Network (CCN)

United Healthcare

TRICARE

Employers Health Network

Medicaid

Humana

Cigna

Coventry

Blue Choice

First Health

MedCost

Molina Healthcare

Group Health Plan (GHP)

Medicare A & B (Traditional Medicare)

Blue Cross Blue Shield State Health Plan for South Carolina

Blue Cross Blue Shield Preferred Blue (PPC)

BCBS Blue Essentials (Marketplace)

Aetna (Preferred Provider Organization)

Blue Cross Blue Shield Planned Administrators

First Choice/Select Health (NEIC)

Absolute Total Care (NEIC)

Clover Health

Blue Cross Blue Shield Medicare

Aetna (Open Choice)

AllWell by Absolute Total Care

Aetna (Managed Choice)

Blue Cross Blue Shield Federal (FEP)

Ambetter from Absolute Total Care (Marketplace)

First Choice Next

Aetna (Exclusive Choice)

Ratings & Reviews

Dr. David Gregg IV, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 129 ratings. We collect ratings and reviews of Dr. David Gregg IV, MD from all over the web to help you find the right in Charleston, SC.

4.9

Overall Rating

(129 Ratings)

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General Payments

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

**Payments by Company**
Actelion Pharmaceuticals US, Inc.	$8,930 TRACLEER BOSENTAN $2,960	VENTAVIS ILOPROST $1,156	VELETRI EPOPROSTENOL $1,145	$3,670
Medtronic, Inc.	$2,299 Harmony $2,299
Abbott Laboratories	$1,591 Vascular $1,548	Mitra Clip system $43
St. Jude Medical, Inc.	$298 CRM $115	Electrophysiology $94	Vascular $89
Medtronic Vascular, Inc.	$281 Implantable Cardioverter Defibrillators - ICDs $174	Cardiac Resynchronization Therapy - CRT $106
Other	$495 ELIQUIS $184	Pradaxa $126	TACHY HF $88	LifeVest $75	BRILINTA $22

**Types of Payments**
Travel and Lodging	$9,278
Food and Beverage	$4,616

Research Payments

Dr. David Gregg IV, MD has received 6 research payments totaling $3,400.

Biography

Dr. David Gregg's area of specialization is adult cardiology. Areas of particular interest for Dr. Gregg include patent foramen ovale. Patients rated Dr. Gregg highly, giving him an average of 5.0 stars (out of 5). He usually honors Blue California, Coventry, and Employers Health Network, in addition to other insurance carriers. He studied medicine at Columbia University, College of Physicians and Surgeons. Dr. Gregg is professionally affiliated with MUSC Health. According to MUSC Health, new patients are welcome to contact his office in.