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Home > MA Providers > Primary Care Physicians

Dr. Peter M. Grinspoon, MD

(22 Ratings)

Specializes in: Primary Care and Internal Medicine (Adult Medicine)

Boston University School of Medicine

151 Everett Avenue
Chelsea, MA 02150

(617) 884-8300

Dr. Peter M. Grinspoon, MD is a primary care doctor in Chelsea, MA specializing in primary care and internal medicine (adult medicine). He graduated from Boston University School of Medicine. Dr. Peter M. Grinspoon, MD is affiliated with Massachusetts General Hospital.

Office Locations

Massachusetts General Hospital

151 Everett Avenue
Chelsea, MA 02150

(617) 884-8300

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In The News (see more mentions in the news)

“said Dr. Peter Grinspoon, a primary care physician at Massachusetts General Hospital. "”—"Mass General Brigham begins second round of largest layoffs in health care system's history", Boston Globe, March 2025

“"If cannabis use 'causes' schizophrenia, it is absolutely impossible that the rate of schizophrenia would not be going up with the rates of cannabis use increasing 1,000-fold," said Dr. Peter...”—"New research continues to link marijuana with schizophrenia. Experts say it's not so simple", Salon, February 2025

“More difficult to get through a day of work without being completely stressed out and more difficult to take good care of patients and there isn't any bargaining as it is now with the hospitals,"...”—"Mass General Brigham primary care doctors file to unionize, citing burnout", CBS News, November 2024

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	363

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	359

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	66
Female	48

**Ethnicity**
Non-Hispanic White	64
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	0
Less than 65	42

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2013

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	31
Depression	46
Chronic Kidney Disease	23
Asthma	25
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	40
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	372

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	68
Female	47

**Ethnicity**
Non-Hispanic White	62
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	19
85 and over	12
Less than 65	44

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2014

Hypertension	72
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	26
Depression	38
Chronic Kidney Disease	20
Asthma	20
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	381

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	154
Female	126

**Ethnicity**
Non-Hispanic White	158
Black	0
Hispanic	100
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	60
85 and over	38
Less than 65	88

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	23
Depression	32
Chronic Kidney Disease	24
Asthma	22
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	387

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	83
Female	48

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	19
85 and over	17
Less than 65	46

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2016

Hypertension	75
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	26
Depression	34
Chronic Kidney Disease	41
Asthma	23
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	38
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	272

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	72
Female	52

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	19
85 and over	16
Less than 65	39

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2017

Hypertension	66
High Cholesterol	19
Stroke	0
Ischemic Heart Disease	27
Depression	31
Chronic Kidney Disease	42
Asthma	19
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	265

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	79
Female	59

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	45
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	25
85 and over	16
Less than 65	49

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2018

Hypertension	70
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	28
Depression	36
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	234

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	75
Female	63

**Ethnicity**
Non-Hispanic White	80
Black	0
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	30
85 and over	15
Less than 65	46

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2019

Hypertension	59
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	30
Depression	41
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	62

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	60
Female	42

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	15
85 and over	15
Less than 65	34

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2020

Hypertension	50
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	31
Depression	34
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	132

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	63
Female	36

**Ethnicity**
Non-Hispanic White	56
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	36

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2021

Hypertension	49
High Cholesterol	32
Stroke	0
Ischemic Heart Disease	28
Depression	36
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	161

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	62
Female	41

**Ethnicity**
Non-Hispanic White	56
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	0
85 and over	0
Less than 65	35

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2022

Hypertension	71
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	22
Depression	32
Chronic Kidney Disease	28
Asthma	17
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	113

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Male	49
Female	36

**Ethnicity**
Non-Hispanic White	46
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	23

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2023

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	24
Depression	35
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	42
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Peter M. Grinspoon, MD for Medicare patients.

doctor visit	258

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Peter M. Grinspoon, MD.

**Gender**
Female	49
Male	69

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	65
Hispanic	33
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	10
75 to 84	15
Less than 65	40
65 to 74	43

Average of Total of Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Peter M. Grinspoon, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	61
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	24
Depression	32
Chronic Kidney Disease	33
Asthma	12
Osteoporosis	3
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Atrial Fibrillation	6
Dementia	3
Cancer	8

Education & Training

Dr. Peter M. Grinspoon, MD graduated from Boston University School of Medicine. He completed residency at Brigham and Women's Hospital. He is certified by the Internal Medicine, American Board of Internal Medicine and has a state license in Massachusetts.

Medical School: Boston University School of Medicine

Residency: Brigham and Women's Hospital

Board Certification: Internal Medicine, American Board of Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Peter M. Grinspoon, MD is associated with these hospitals and organizations:

Massachusetts General 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. Peter M. Grinspoon, MD appears to accept the following insurance providers: Harvard Pilgrim Health Care, MultiPlan, Tufts Health Plan, United Healthcare, Aetna, TRICARE, Medicare, Medicaid, Humana, Coventry, Cigna, Blue California, Beech Street, WellPoint, Medicare ACO, WellSense, Fallon Health, Commonwealth Care Alliance, Blue Cross Blue Shield Medicare, Maine Community Health Options, Mass General Brigham Health Plan, MassHealth, WellSense NH and MassHealth ACO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Peter M. Grinspoon, MD accepts the following insurance providers:

Harvard Pilgrim Health Care

MultiPlan

Tufts Health Plan

United Healthcare

Aetna

TRICARE

Medicare

Medicaid

Humana

Coventry

Cigna

Blue California

Beech Street

WellPoint

Medicare ACO

WellSense

Fallon Health

Commonwealth Care Alliance

Blue Cross Blue Shield Medicare

Maine Community Health Options

Mass General Brigham Health Plan

MassHealth

WellSense NH

MassHealth ACO

Ratings & Reviews

Dr. Peter M. Grinspoon, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 22 ratings. We collect ratings and reviews of Dr. Peter M. Grinspoon, MD from all over the web to help you find the right in Chelsea, MA.

Overall Rating

(22 Ratings)

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General Payments

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

**Payments by Company**
Alkermes, Inc.	$3,000 $3,000

**Types of Payments**
Consulting Fee	$3,000

Biography

Dr. Peter Grinspoon is a primary care specialist in Chelsea, MA. Dr. Grinspoon speaks Spanish. He is professionally affiliated with Massachusetts General Hospital. He attended medical school at Boston University School of Medicine. For his residency, Dr. Grinspoon trained at Brigham and Women's Hospital. He has received a 5.0 out of 5 star rating by his patients. Dr. Grinspoon accepts several insurance carriers, including Blue California, Coventry, and Viant.

Select Year:

Dr. Peter M. Grinspoon, MD

Office Locations

In The News (see more mentions in the news)

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 M. Grinspoon, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Peter M. Grinspoon, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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