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Dr. Gregory M. Bolduc, MD

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Specializes in: Adult Gastroenterology

SUNY Upstate Medical University (1991)

143 Longwater Drive
Norwell, MA 02061

(781) 878-5200

Dr. Gregory M. Bolduc, MD is a gastroenterologist in Weymouth, MA specializing in adult gastroenterology. He graduated from SUNY Upstate Medical University in 1991 and has 35 years of experience. Dr. Gregory M. Bolduc, MD is affiliated with South Shore Health, SOUTH SUBURBAN GASTROENTEROLOGY PC and SOUTH SHORE MEDICAL CENTER, INC.

Office Locations

1085 Main Street
Weymouth, MA 02190

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1085 Main Street
Weymouth, MA 02190

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South Shore Health

143 Longwater Drive
Norwell, MA 02061

(781) 878-5200

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory M. Bolduc, MD in 2023

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

Top 10%

By Volume:

colonoscopy

colonoscopy with biopsy

colonoscopy with lesion removal

In 2023, Dr. Gregory M. Bolduc, MD performed more colonoscopy, colonoscopy with biopsy, and colonoscopy with lesion removal procedures for Medicare patients than 90% of providers in related specialties within Massachusetts.

Top 25%

By Volume:

endoscopy

gastrointestinal biopsy

gastrointestinal procedures

inpatient hospital care

removal of lesion

In 2012, Dr. Gregory M. Bolduc, MD performed more endoscopy, gastrointestinal biopsy, gastrointestinal procedures, inpatient hospital care (for patient admitted to hospital), and removal of lesion (e.g. growth) procedures for Medicare patients than 75% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	178
doctor visit	248
gastrointestinal procedures	272
hospital care	260
injections	13
inpatient care	260
minimally invasive procedures	272
preventive care	16
removal of lesion (e.g. growth)	178

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	227
doctor visit	273
gastrointestinal procedures	330
hospital care	239
inpatient care	239
minimally invasive procedures	330
preventive care	26
removal of lesion (e.g. growth)	227

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	191
Female	276

**Ethnicity**
Non-Hispanic White	446
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	135
85 and over	56
Less than 65	57

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2013

Hypertension	72
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	248
doctor visit	249
gastrointestinal procedures	312
hospital care	320
inpatient care	320
minimally invasive procedures	312
preventive care	33
removal of lesion (e.g. growth)	248

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	187
Female	278

**Ethnicity**
Non-Hispanic White	446
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	138
85 and over	70
Less than 65	79

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2014

Hypertension	69
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	45
Depression	37
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	29
Dementia	16
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	263
doctor visit	306
gastrointestinal procedures	338
hospital care	253
injections	16
inpatient care	253
minimally invasive procedures	338
preventive care	29
removal of lesion (e.g. growth)	263

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	406
Female	578

**Ethnicity**
Non-Hispanic White	932
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	386
From 75 to 84	304
85 and over	162
Less than 65	132

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2015

Hypertension	70
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	38
Asthma	19
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	28
Chronic Obstructive Pulmonary Disease	20
Diabetes	26
Dementia	15
Cancer	18

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	293
doctor visit	307
gastrointestinal procedures	376
hospital care	245
injections	14
inpatient care	245
minimally invasive procedures	376
preventive care	32
removal of lesion (e.g. growth)	293

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	250
Female	305

**Ethnicity**
Non-Hispanic White	528
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	263
From 75 to 84	156
85 and over	76
Less than 65	60

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2016

Hypertension	71
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	36
Asthma	25
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	20
Diabetes	27
Dementia	16
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	380
doctor visit	319
gastrointestinal procedures	491
hospital care	204
injections	15
inpatient care	204
minimally invasive procedures	491
preventive care	70
removal of lesion (e.g. growth)	380

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	268
Female	370

**Ethnicity**
Non-Hispanic White	608
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	317
From 75 to 84	191
85 and over	63
Less than 65	67

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2017

Hypertension	65
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	428
doctor visit	317
gastrointestinal procedures	512
hospital care	267
injections	13
inpatient care	267
minimally invasive procedures	512
preventive care	44
removal of lesion (e.g. growth)	428

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	304
Female	398

**Ethnicity**
Non-Hispanic White	676
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	359
From 75 to 84	202
85 and over	76
Less than 65	65

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2018

Hypertension	70
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	34
Depression	31
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	19
Diabetes	25
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

diagnostic procedures	388
doctor visit	277
gastrointestinal procedures	473
hospital care	229
injections	12
inpatient care	229
minimally invasive procedures	473
preventive care	54
removal of lesion (e.g. growth)	388

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	270
Female	384

**Ethnicity**
Non-Hispanic White	617
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	321
From 75 to 84	207
85 and over	56
Less than 65	70

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2019

Hypertension	67
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	32
Depression	33
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	17
Diabetes	22
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

balloon dilation	12
blood draw	21
diagnostic procedures	341
doctor visit	379
esophageal dilation	12
gastrointestinal procedures	437
hospital care	199
injections	13
inpatient care	199
minimally invasive procedures	437
preventive care	49
removal of lesion (e.g. growth)	341

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	245
Female	323

**Ethnicity**
Non-Hispanic White	538
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	195
85 and over	59
Less than 65	48

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2020

Hypertension	68
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	36
Depression	34
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	25
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

blood draw	25
diagnostic procedures	459
doctor visit	316
gastrointestinal procedures	567
hospital care	217
injections	18
inpatient care	217
lab tests	15
minimally invasive procedures	579
preventive care	73
removal of lesion (e.g. growth)	459

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	280
Female	372

**Ethnicity**
Non-Hispanic White	621
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	305
From 75 to 84	232
85 and over	55
Less than 65	60

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2021

Hypertension	66
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	34
Depression	33
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	17
Diabetes	25
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

blood draw	34
diagnostic procedures	405
doctor visit	208
gastrointestinal procedures	482
hospital care	197
inpatient care	197
minimally invasive procedures	482
preventive care	55
removal of lesion (e.g. growth)	405

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	222
Female	401

**Ethnicity**
Non-Hispanic White	595
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	205
85 and over	68
Less than 65	36

Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	28
Depression	25
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	18
Atrial Fibrilation	20
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	23
Dementia	8
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory M. Bolduc, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory M. Bolduc, MD treated as a gastroenterologist in Weymouth, MA were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

balloon dilation	12
blood draw	26
diagnostic procedures	328
doctor visit	290
esophageal dilation	12
gastrointestinal procedures	417
hospital care	239
injections	14
inpatient care	239
lab tests	15
minimally invasive procedures	418
preventive care	43
removal of lesion (e.g. growth)	328

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory M. Bolduc, MD.

**Gender**
Male	238
Female	335

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	546
Native American / Alaskan Native	0
Hispanic	0
Other	8

**Age**
75 to 84	178
85 and over	67
Less than 65	61
65 to 74	266

Average of Total of Conditions of Medicare patients treated by Dr. Gregory M. Bolduc, MD From 2012 - 2022

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

Hypertension	63
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	30
Asthma	11
Osteoporosis	10
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	23
Atrial Fibrillation	15
Dementia	12
Cancer	15

Education & Training

Dr. Gregory M. Bolduc, MD graduated from SUNY Upstate Medical University in 1991. He completed residency at Tufts Medical Center. He is certified by the Board Certification: Gastroenterology and has a state license in Massachusetts.

Medical School: SUNY Upstate Medical University (1991)

Residency: Tufts Medical Center

Board Certification: Board Certification: Gastroenterology

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Gregory M. Bolduc, MD is associated with these hospitals and organizations:

South Shore Health

SOUTH SUBURBAN GASTROENTEROLOGY PC

SOUTH SHORE MEDICAL CENTER, INC

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General Payments

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

**Payments by Company**
Janssen Scientific Affairs, LLC	$192 REMICADE $125	SIMPONI $67
Takeda Pharmaceuticals America, Inc.	$123 ENTYVIO $123
Allergan Inc.	$89 VIBERZI $77	LINZESS $12
Janssen Biotech, Inc.	$51 SIMPONI $33	STELARA $11	OLYSIO $6
Gilead Sciences, Inc.	$45 $45
Other	$99 Moviprep $25	LINZESS $24	Donnatal $17	Mavyret $11	Alinia Tablets 500mg 12 count bottle $10	Other $12

**Types of Payments**
Food and Beverage	$581
Education	$18

Biography

Dr. Gregory Bolduc's specialty is adult gastroenterology. He is affiliated with South Shore Health. Dr. Bolduc attended medical school at SUNY Upstate Medical University. He completed his residency training at Tufts Medical Center.