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Dr. Peter A. Naas, MD

Accepting New Patients

(Dr. Peter Alex Naas, M.D.)

(No ratings)

Specializes in: Adult Gastroenterology

University of Louisville School of Medicine (2007)

125 Halton Road Suite 200
Greenville, SC 29607

(864) 232-7338

Dr. Peter A. Naas, MD is a gastroenterologist in Greenville, SC specializing in adult gastroenterology. He graduated from University of Louisville School of Medicine in 2007 and has 19 years of experience. Dr. Peter A. Naas, MD is affiliated with Bon Secours, Spartanburg Regional Healthcare System, Bon Secours - St. Francis Hospital and GASTROENTEROLOGY ASSOCIATES, PA.

Office Locations

125 Halton Road Suite 200
Greenville, SC 29607

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Noteworthy Medicare Patient Procedures Performed by Dr. Peter A. Naas, MD in 2023

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

Top 5%

By Affordability:

esophageal dilation

In 2023, Dr. Peter A. Naas, MD had a list price for esophageal dilation 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 10%

By Affordability:

diagnostic EGD

diagnostic EGD without biopsy

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

esophageal dilation without endoscopic guidance

esophagogastroduodenoscopy

hospital care

inpatient care

inpatient hospital care

therapeutic EGD

therapeutic upper endoscopy

upper endoscopy

upper endoscopy with biopsy

upper endoscopy with lesion removal

In 2023, Dr. Peter A. Naas, MD had a list price for diagnostic EGD, diagnostic EGD without biopsy, diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, esophageal dilation without endoscopic guidance, esophagogastroduodenoscopy (EGD), hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), therapeutic EGD, therapeutic upper endoscopy, upper endoscopy, upper endoscopy with biopsy, and upper endoscopy with lesion removal that was lower than the list prices billed to Medicare by 90% 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:

esophageal dilation without endoscopic guidance

special stains

In 2012, Dr. Peter A. Naas, MD performed more esophageal dilation without endoscopic guidance, and special stains procedures for Medicare patients than 75% of providers in related specialties within South Carolina.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

hospital care	81
inpatient care	81

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

diagnostic procedures	95
doctor visit	62
gastrointestinal procedures	133
hospital care	51
inpatient care	51
minimally invasive procedures	133
preventive care	25
removal of lesion (e.g. growth)	95

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	71
Female	102

**Ethnicity**
Non-Hispanic White	146
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	51
85 and over	21
Less than 65	31

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2013

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

diagnostic procedures	258
doctor visit	234
esophageal dilation	22
gastrointestinal procedures	346
hospital care	248
inpatient care	248
minimally invasive procedures	346
preventive care	36
removal of lesion (e.g. growth)	258

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	196
Female	264

**Ethnicity**
Non-Hispanic White	381
Black	61
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	103
85 and over	43
Less than 65	90

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	47
Depression	28
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

abdominal imaging	17
diagnostic procedures	344
doctor visit	362
esophageal dilation	40
gastrointestinal procedures	426
hospital care	211
injections	15
inpatient care	211
minimally invasive procedures	426
preventive care	21
removal of lesion (e.g. growth)	344
ultrasound (sonogram)	17

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	464
Female	642

**Ethnicity**
Non-Hispanic White	942
Black	118
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	476
From 75 to 84	328
85 and over	126
Less than 65	176

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2015

Hypertension	75
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	43
Depression	32
Chronic Kidney Disease	37
Asthma	16
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

abdominal imaging	14
diagnostic procedures	350
doctor visit	346
esophageal dilation	52
gastrointestinal procedures	468
hospital care	246
injections	13
inpatient care	246
minimally invasive procedures	468
preventive care	48
removal of lesion (e.g. growth)	350
ultrasound (sonogram)	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	265
Female	335

**Ethnicity**
Non-Hispanic White	526
Black	55
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	299
From 75 to 84	154
85 and over	59
Less than 65	88

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	44
Depression	30
Chronic Kidney Disease	42
Asthma	26
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

abdominal imaging	16
diagnostic procedures	296
doctor visit	325
esophageal dilation	42
gastrointestinal procedures	410
hospital care	229
inpatient care	229
minimally invasive procedures	410
preventive care	58
removal of lesion (e.g. growth)	296
ultrasound (sonogram)	16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	254
Female	312

**Ethnicity**
Non-Hispanic White	494
Black	55
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	286
From 75 to 84	160
85 and over	49
Less than 65	71

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2017

Hypertension	75
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	42
Depression	35
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

abdominal imaging	14
diagnostic procedures	345
doctor visit	310
esophageal dilation	61
gastrointestinal procedures	428
hospital care	209
inpatient care	209
minimally invasive procedures	428
preventive care	34
removal of lesion (e.g. growth)	345
ultrasound (sonogram)	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	240
Female	279

**Ethnicity**
Non-Hispanic White	441
Black	57
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	263
From 75 to 84	153
85 and over	49
Less than 65	54

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	6
Ischemic Heart Disease	40
Depression	30
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

abdominal imaging	12
diagnostic procedures	364
doctor visit	344
esophageal dilation	73
gastrointestinal procedures	469
hospital care	167
injections	13
inpatient care	167
minimally invasive procedures	469
preventive care	42
removal of lesion (e.g. growth)	364
ultrasound (sonogram)	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	240
Female	274

**Ethnicity**
Non-Hispanic White	450
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	141
85 and over	39
Less than 65	51

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	36
Depression	30
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

abdominal imaging	17
diagnostic procedures	301
doctor visit	337
esophageal dilation	75
gastrointestinal procedures	359
hospital care	64
inpatient care	64
minimally invasive procedures	359
preventive care	12
removal of lesion (e.g. growth)	301
ultrasound (sonogram)	17

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	198
Female	246

**Ethnicity**
Non-Hispanic White	385
Black	34
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	139
85 and over	26
Less than 65	43

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	4
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2021 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

diagnostic procedures	324
doctor visit	402
esophageal dilation	67
gastrointestinal procedures	406
hospital care	54
inpatient care	54
minimally invasive procedures	385
preventive care	27
removal of lesion (e.g. growth)	324

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	211
Female	254

**Ethnicity**
Non-Hispanic White	412
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	156
85 and over	41
Less than 65	34

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2021

Hypertension	72
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

abdominal imaging	17
diagnostic procedures	334
doctor visit	373
esophageal dilation	66
gastrointestinal procedures	385
hospital care	92
inpatient care	92
lab tests	40
minimally invasive procedures	385
preventive care	18
removal of lesion (e.g. growth)	334
ultrasound (sonogram)	17

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	210
Female	319

**Ethnicity**
Non-Hispanic White	481
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	180
85 and over	36
Less than 65	34

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Peter A. Naas, MD for Medicare patients.

The highest averages for the top procedures that Dr. Peter A. Naas, MD treated as a gastroenterologist in Greenville, SC were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

abdominal imaging	15
diagnostic procedures	301
doctor visit	309
esophageal dilation	55
gastrointestinal procedures	383
hospital care	150
injections	13
inpatient care	150
lab tests	40
minimally invasive procedures	380
preventive care	32
removal of lesion (e.g. growth)	301
ultrasound (sonogram)	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Peter A. Naas, MD.

**Gender**
Male	213
Female	275

**Ethnicity**
Black / African American	44
Asian / Pacific Islander	0
Non-Hispanic White	423
Hispanic	2
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	142
85 and over	44
Less than 65	61
65 to 74	240

Average of Total of Conditions of Medicare patients treated by Dr. Peter A. Naas, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	32
Asthma	11
Osteoporosis	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Atrial Fibrillation	14
Cancer	12
Dementia	12

Education & Training

Dr. Peter A. Naas, MD graduated from University of Louisville School of Medicine in 2007. He completed residency at Medical University of South Carolina Affiliated Hospitals. He is certified by the Licensure : American Board of Internal Medicine Board Certification : Internal Medicine Gastroenterology and has a state license in South Carolina.

Medical School: University of Louisville School of Medicine (2007)

Residency: Medical University of South Carolina Affiliated Hospitals

Board Certification: Licensure : American Board of Internal Medicine Board Certification : Internal Medicine Gastroenterology

Licensed In: South Carolina

Affiliations & Hospitals

Dr. Peter A. Naas, MD is associated with these hospitals and organizations:

Bon Secours

Spartanburg Regional Healthcare System

Bon Secours - St. Francis Hospital

GASTROENTEROLOGY ASSOCIATES, PA

Ratings & Reviews

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General Payments

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

**Payments by Company**
AbbVie, Inc.	$1,003 Humira $551	Creon $147	Lupron $117	Mavyret $72	$116
AbbVie Inc.	$732 LINZESS $157	Creon $148	Skyrizi $123	Rinvoq $118	Mavyret $98	Other $88
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$727 XIFAXAN $462	PLENVU $104	Trulance $58	XIFAXANIBSD $47	Relistor $40	Other $17
Ironwood Pharmaceuticals, Inc	$301 VIBERZI $122	LINZESS $97	COLOGUARD $61	LINZESS 290 mcg $10	$10
Takeda Pharmaceuticals U.S.A., Inc.	$254 ENTYVIO $164	AMITIZA $49	GATTEX $41
Other	$1,958 XELJANZ $204	SUCRAID $146	STELARA $129	ZENPEP $128	Trulance $114	Other $1,237

**Types of Payments**
Food and Beverage	$4,925
Education	$51

Biography

Dr. Peter Naas is a Greenville, SC physician who specializes in adult gastroenterology. His hospital/clinic affiliations include Bon Secours and Spartanburg Regional Healthcare System. He attended the University of Louisville School of Medicine and then went on to complete his residency at a hospital affiliated with Medical University of South Carolina. According to Bon Secours, new patients are welcome to contact Dr. Naas's office in Greenville, SC.

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Dr. Peter A. Naas, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Peter A. Naas, MD in 2023

By Affordability:

By Affordability:

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter A. Naas, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Peter A. Naas, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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