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Home > MA Providers > Internists & Internal Medicine Doctors

Dr. A. William Heinser, MD

(Dr. Alfred W. Heinser, MD)

(2 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of Massachusetts Medical School

100 Boston Road
Groton, MA 01450

(978) 448-4300

Dr. A. William Heinser, MD is an internist in Groton, MA specializing in internal medicine (adult medicine). He graduated from University of Massachusetts Medical School. Dr. A. William Heinser, MD is affiliated with Emerson Health.

Office Locations

100 Boston Road
Groton, MA 01450

(978) 448-4300

(978) 448-4040

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Emerson Health

240 Main Street
Groton, MA 01450

(978) 448-4300

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Noteworthy Medicare Patient Procedures Performed by Dr. A. William Heinser, MD in 2023

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

Top 25%

By Volume:

Welcome to Medicare visit

In 2012, Dr. A. William Heinser, MD performed more Welcome to Medicare visit (initial preventive physical exam) 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. A. William Heinser, MD treated as an internist in Groton, MA during 2012 were lab tests, preventive care, vaccines and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1132
lab tests	315
musculoskeletal imaging	22
preventive care	132
vaccines	118
X-rays	22

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2013 were lab tests, preventive care, vaccines and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1255
ear procedures	20
lab tests	343
musculoskeletal imaging	27
preventive care	122
vaccines	122
X-rays	27

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	157
Female	126

**Age**
From 65 to 74	135
From 75 to 84	80
85 and over	48
Less than 65	20

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2013

Hypertension	69
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	42
Depression	20
Chronic Kidney Disease	19
Asthma	5
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	11
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2014 were lab tests, preventive care, vaccines and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

ambulatory monitoring	11
cardiac procedures	11
doctor visit	1426
ear procedures	13
lab tests	355
musculoskeletal imaging	24
preventive care	250
vaccines	237
X-rays	24

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	174
Female	128

**Ethnicity**
Non-Hispanic White	290
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	82
85 and over	50
Less than 65	22

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2014

Hypertension	68
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	41
Depression	17
Chronic Kidney Disease	18
Asthma	4
Osteoperosis	4
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2015 were lab tests, preventive care, vaccines and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1448
ear procedures	24
lab tests	355
musculoskeletal imaging	33
preventive care	229
vaccines	214
X-rays	33

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	372
Female	262

**Ethnicity**
Non-Hispanic White	612
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	182
85 and over	94
Less than 65	40

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2015

Hypertension	61
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	42
Depression	15
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	4
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2016 were preventive care, lab tests, vaccines and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

anorectal procedures	31
doctor visit	1402
ear procedures	17
lab tests	252
musculoskeletal imaging	33
preventive care	278
vaccines	247
X-rays	33

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	192
Female	147

**Ethnicity**
Non-Hispanic White	327
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	87
85 and over	49
Less than 65	19

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2016

Hypertension	60
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	41
Depression	15
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2017 were lab tests, preventive care, vaccines and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

ambulatory monitoring	12
cardiac procedures	12
doctor visit	1373
ear procedures	14
lab tests	256
musculoskeletal imaging	23
preventive care	239
vaccines	222
X-rays	23

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	214
Female	146

**Ethnicity**
Non-Hispanic White	340
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	94
85 and over	47
Less than 65	19

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2017

Hypertension	56
High Cholesterol	29
Stroke	4
Ischemic Heart Disease	40
Depression	16
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2018 were preventive care, vaccines, lab tests and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1317
ear procedures	12
lab tests	180
musculoskeletal imaging	23
preventive care	261
vaccines	239
X-rays	23

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	234
Female	147

**Ethnicity**
Non-Hispanic White	357
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	101
85 and over	44
Less than 65	22

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2018

Hypertension	67
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	44
Depression	16
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2019 were preventive care, lab tests, vaccines and X-rays.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1395
ear procedures	22
lab tests	173
musculoskeletal imaging	26
preventive care	181
vaccines	166
X-rays	26

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	237
Female	160

**Ethnicity**
Non-Hispanic White	373
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	239
From 75 to 84	94
85 and over	44
Less than 65	20

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2019

Hypertension	66
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	45
Depression	16
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2020 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1274
ear procedures	12
lab tests	27
preventive care	199
vaccines	180

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	240
Female	164

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

**Age**
From 65 to 74	231
From 75 to 84	105
85 and over	51
Less than 65	17

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2020

Hypertension	62
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	45
Depression	15
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2021 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1402
lab tests	23
preventive care	192
vaccines	165

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	268
Female	184

**Ethnicity**
Non-Hispanic White	426
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	130
85 and over	49
Less than 65	13

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2021

Hypertension	63
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	42
Depression	13
Chronic Kidney Disease	22
Asthma	5
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA during 2022 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

doctor visit	1328
lab tests	24
preventive care	162
vaccines	133

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	281
Female	182

**Ethnicity**
Non-Hispanic White	432
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	151
85 and over	42
Less than 65	15

Conditions of Medicare patients treated by Dr. A. William Heinser, MD in 2022

Hypertension	68
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	12
Asthma	7
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	19
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. A. William Heinser, MD for Medicare patients.

The highest averages for the top procedures that Dr. A. William Heinser, MD treated as an internist in Groton, MA were lab tests, preventive care, vaccines and anorectal procedures.

ambulatory monitoring	11
anorectal procedures	31
cardiac procedures	11
doctor visit	1341
ear procedures	16
lab tests	209
musculoskeletal imaging	26
preventive care	204
vaccines	185
X-rays	26

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. A. William Heinser, MD.

**Gender**
Male	215
Female	149

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	321
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	100
85 and over	47
Less than 65	18
65 to 74	198

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

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

Hypertension	58
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	37
Depression	14
Chronic Kidney Disease	17
Asthma	5
Osteoporosis	4
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Atrial Fibrillation	14
Cancer	9
Dementia	6

Education & Training

Dr. A. William Heinser, MD graduated from University of Massachusetts Medical School. He completed residency at UMass Memorial Medical Center. He is certified by the Internal Medicine and has a state license in Massachusetts.

Medical School: University of Massachusetts Medical School

Residency: UMass Memorial Medical Center

Board Certification: Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. A. William Heinser, MD is associated with these hospitals and organizations:

Emerson Health

Ratings & Reviews

Dr. A. William Heinser, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. A. William Heinser, MD from all over the web to help you find the right in Groton, MA.

Overall Rating

(2 Ratings)

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General Payments

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

**Payments by Company**
Pfizer Inc.	$3,586 XELJANZ $994	CHANTIX $609	ELIQUIS $509	INFLECTRA $384	COLOGUARD DNA CAPTURE REAGENTS $220	Other $870
Janssen Biotech, Inc.	$3,535 STELARA $2,145	SIMPONI ARIA $994	Tremfya $240	REMICADE $150	SIMPONI $6
GlaxoSmithKline, LLC.	$2,081 BENLYSTA $1,127	NUCALA $190	SHINGRIX $129	BREO $88	FLOVENT $84	Other $464
Amgen Inc.	$2,033 Prolia $827	Enbrel $416	Otezla $415	Repatha $325	Tavneos $25	Other $25
AbbVie, Inc.	$1,730 Humira $1,655	Rinvoq $59	$16
Other	$13,311 ORENCIA $1,110	Rinvoq $755	FARXIGA $650	XARELTO $634	KRYSTEXXA $536	Other $9,625

**Types of Payments**
Food and Beverage	$26,061
Education	$215

Biography

Before completing his residency at UMass Memorial Medical Center, Dr. Alfred Heinser attended medical school at the University of Massachusetts Medical School. He is affiliated with Emerson Health.