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Dr. Gary Trey, MD

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Specializes in: Hepatology (Liver Disease) and Adult Gastroenterology

Tulane University School of Medicine (1981 - 1985)

289 Pleasant Street Building 4/ Suite 501
Fall River, MA 02721

(508) 679-6611

Dr. Gary Trey, MD is a hepatologist in Brookline, MA specializing in hepatology (liver disease) and adult gastroenterology. He graduated from Tulane University School of Medicine in 1985 and has 41 years of experience. Dr. Gary Trey, MD is affiliated with Brown University Health, Prima CARE P.C. and St. Anne's Hospital.

Office Locations

1180 Beacon Street Suite 6b
Brookline, MA 02446

(817) 770-4064

(781) 682-6157

open_in_new

St. Anne's Hospital

289 Pleasant Street Building 4/ Suite 501
Fall River, MA 02721

(508) 679-6611

(508) 679-1218

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Noteworthy Medicare Patient Procedures Performed by Dr. Gary Trey, MD in 2023

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

Top 5%

By Affordability:

In 2023, Dr. Gary Trey, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. 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. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	192
doctor visit	680
gastrointestinal procedures	265
hospital care	221
inpatient care	221
lab tests	74
minimally invasive procedures	265
preventive care	205
removal of lesion (e.g. growth)	180
vaccines	89

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	155
doctor visit	619
gastrointestinal procedures	246
hospital care	304
inpatient care	304
lab tests	31
minimally invasive procedures	246
preventive care	143
removal of lesion (e.g. growth)	155
vaccines	55

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	306
Female	331

**Ethnicity**
Non-Hispanic White	536
Black	40
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	203
85 and over	89
Less than 65	101

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2013

Hypertension	66
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	38
Depression	33
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	179
doctor visit	580
gastrointestinal procedures	281
hospital care	286
inpatient care	286
lab tests	42
minimally invasive procedures	281
preventive care	205
removal of lesion (e.g. growth)	179
vaccines	90

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	311
Female	323

**Ethnicity**
Non-Hispanic White	514
Black	54
Hispanic	0
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	265
From 75 to 84	186
85 and over	74
Less than 65	109

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2014

Hypertension	65
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	35
Depression	35
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2015 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	183
doctor visit	622
gastrointestinal procedures	284
hospital care	245
inpatient care	245
lab tests	39
minimally invasive procedures	284
preventive care	183
removal of lesion (e.g. growth)	183
vaccines	70

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	592
Female	636

**Ethnicity**
Non-Hispanic White	958
Black	94
Hispanic	52
Asian	0
Other	98
Native American	0

**Age**
From 65 to 74	522
From 75 to 84	368
85 and over	150
Less than 65	188

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2015

Hypertension	66
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	36
Depression	30
Chronic Kidney Disease	33
Asthma	12
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	193
doctor visit	580
gastrointestinal procedures	247
hospital care	361
inpatient care	361
lab tests	34
minimally invasive procedures	247
preventive care	117
removal of lesion (e.g. growth)	193
vaccines	65

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	337
Female	327

**Ethnicity**
Non-Hispanic White	525
Black	48
Hispanic	24
Asian	0
Other	48
Native American	0

**Age**
From 65 to 74	268
From 75 to 84	181
85 and over	100
Less than 65	115

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2016

Hypertension	65
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	38
Depression	30
Chronic Kidney Disease	38
Asthma	17
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	172
doctor visit	536
gastrointestinal procedures	231
hospital care	246
inpatient care	246
lab tests	46
minimally invasive procedures	231
preventive care	87
removal of lesion (e.g. growth)	172
vaccines	47

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	310
Female	308

**Ethnicity**
Non-Hispanic White	503
Black	40
Hispanic	25
Asian	0
Other	38
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	202
85 and over	94
Less than 65	82

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2017

Hypertension	67
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	24
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	153
doctor visit	456
gastrointestinal procedures	186
hospital care	278
inpatient care	278
lab tests	14
minimally invasive procedures	186
preventive care	47
removal of lesion (e.g. growth)	153
vaccines	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	281
Female	290

**Ethnicity**
Non-Hispanic White	456
Black	29
Hispanic	29
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	179
85 and over	74
Less than 65	89

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2018

Hypertension	67
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	26
Chronic Obstructive Pulmonary Disease	12
Diabetes	37
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2019 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	152
doctor visit	447
gastrointestinal procedures	194
hospital care	176
inpatient care	176
lab tests	12
minimally invasive procedures	194
preventive care	29
removal of lesion (e.g. growth)	152

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	276
Female	274

**Ethnicity**
Non-Hispanic White	435
Black	43
Hispanic	0
Asian	21
Other	30
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	163
85 and over	82
Less than 65	86

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2019

Hypertension	68
High Cholesterol	50
Stroke	3
Ischemic Heart Disease	35
Depression	34
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2020 were hospital care, inpatient care, removal of lesion (e.g. growth) and minimally invasive procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	102
doctor visit	407
gastrointestinal procedures	102
hospital care	130
inpatient care	130
lab tests	27
minimally invasive procedures	102
removal of lesion (e.g. growth)	102

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	245
Female	229

**Ethnicity**
Non-Hispanic White	382
Black	25
Hispanic	18
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	194
From 75 to 84	151
85 and over	69
Less than 65	60

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2020

Hypertension	62
High Cholesterol	47
Stroke	6
Ischemic Heart Disease	33
Depression	29
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2021 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	65
doctor visit	377
gastrointestinal procedures	65
lab tests	19
minimally invasive procedures	65
preventive care	12
removal of lesion (e.g. growth)	65

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	191
Female	171

**Ethnicity**
Non-Hispanic White	295
Black	20
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	123
85 and over	47
Less than 65	33

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2021

Hypertension	58
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	30
Depression	26
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	31
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA during 2022 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

diagnostic procedures	53
doctor visit	443
gastrointestinal procedures	53
minimally invasive procedures	53
preventive care	40
removal of lesion (e.g. growth)	53
vaccines	40

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	152
Female	141

**Ethnicity**
Non-Hispanic White	232
Black	0
Hispanic	0
Asian	16
Other	23
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	110
85 and over	31
Less than 65	22

Conditions of Medicare patients treated by Dr. Gary Trey, MD in 2022

Hypertension	66
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	18
Depression	23
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gary Trey, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary Trey, MD treated as a hepatologist in Brookline, MA were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

diagnostic procedures	145
doctor visit	522
gastrointestinal procedures	195
hospital care	249
inpatient care	249
lab tests	33
minimally invasive procedures	195
preventive care	106
removal of lesion (e.g. growth)	144
vaccines	60

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gary Trey, MD.

**Gender**
Male	272
Female	275

**Ethnicity**
Black / African American	35
Asian / Pacific Islander	3
Non-Hispanic White	439
Native American / Alaskan Native	0
Hispanic	13
Other	35

**Age**
75 to 84	169
85 and over	73
Less than 65	80
65 to 74	224

Average of Total of Conditions of Medicare patients treated by Dr. Gary Trey, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gary Trey, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	59
High Cholesterol	48
Stroke	4
Ischemic Heart Disease	30
Depression	27
Chronic Kidney Disease	30
Asthma	8
Osteoporosis	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Atrial Fibrillation	11
Dementia	11
Cancer	12

Education & Training

Dr. Gary Trey, MD graduated from Tulane University School of Medicine in 1985. He completed residency at St. Elizabeth's Medical Center, Brighton. He is certified by the Internal Medicine American Board of Internal Medicine and has a state license in Massachusetts.

Medical School: Tulane University School of Medicine (1985)

Residency: St. Elizabeth's Medical Center, Brighton

Board Certification: Internal Medicine American Board of Internal Medicine (1989)

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Gary Trey, MD is associated with these hospitals and organizations:

Brown University Health

Prima CARE P.C.

St. Anne's Hospital

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General Payments

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

**Payments by Company**
AbbVie Inc.	$1,153 Creon $400	UBRELVY $326	LINZESS $307	QULIPTA $102	$17
AbbVie, Inc.	$356 Creon $343	$13
Gilead Sciences Inc	$285 Harvoni $173	$112
Salix Pharmaceuticals, Ltd	$278 XIFAXAN 550 MG TABLETS $273	$6
GlaxoSmithKline, LLC.	$241 TANZEUM $219	LEVITRA $22
Other	$1,979 NURTEC ODT $233	OLYSIO $202	Trulance $175	XARELTO $123	TALICIA $119	Other $1,128

**Types of Payments**
Food and Beverage	$4,208
Education	$85

Biography

Dr. Gary Trey is a medical specialist in adult gastroenterology and hepatology (liver disease). Dr. Trey is affiliated with Prima CARE P.C., Brown University Health, and St. Anne's Hospital. He attended medical school at Tulane University School of Medicine. He trained at Caritas St. Elizabeth's Medical Center for residency.