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Dr. John T. Larossa, MD

Accepting New Patients

(4 Ratings)

Specializes in: Adult Endocrinology

Tufts University School of Medicine

Professional interests include: endocrine diseases (hormone disorders)

2000 Washington Street Suite 404
Newton, MA 02462

(617) 244-1311

Dr. John T. Larossa, MD is an endocrinologist in Newton, MA specializing in adult endocrinology. He graduated from Tufts University School of Medicine. Dr. John T. Larossa, MD is affiliated with Newton-Wellesley Hospital.

Office Locations

2000 Washington Street Suite 404
Newton, MA 02462

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Noteworthy Medicare Patient Procedures Performed by Dr. John T. Larossa, MD in 2023

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

Top 25%

By Volume:

blood draw

phlebotomy for lab tests

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2012, among providers in related specialties within Massachusetts, Dr. John T. Larossa, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 75% of them and he also had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of them. 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. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2012 were lab tests, thyroid function tests, preventive care and blood draw.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	1005
diabetes management	420
doctor visit	1399
gastrointestinal procedures	22
lab tests	9579
minimally invasive procedures	22
preventive care	1103
thyroid function tests	1652
vaccines	135

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2013 were lab tests, thyroid function tests, blood draw and preventive care.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	1114
diabetes management	378
doctor visit	1268
gastrointestinal procedures	22
lab tests	9506
minimally invasive procedures	22
preventive care	1080
thyroid function tests	1785
vaccines	124

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	226
Female	326

**Ethnicity**
Non-Hispanic White	530
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	223
From 75 to 84	197
85 and over	100
Less than 65	32

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2013

Hypertension	60
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	33
Depression	13
Chronic Kidney Disease	14
Asthma	5
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	37
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2014 were lab tests, thyroid function tests, preventive care and blood draw.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

anorectal procedures	22
blood draw	1087
diabetes management	356
doctor visit	1206
lab tests	9309
preventive care	1106
thyroid function tests	1770
vaccines	143

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	221
Female	319

**Ethnicity**
Non-Hispanic White	513
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	233
From 75 to 84	175
85 and over	103
Less than 65	29

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2014

Hypertension	56
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	36
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2015 were lab tests, thyroid function tests, blood draw and preventive care.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

anorectal procedures	22
blood draw	1041
diabetes management	348
doctor visit	1129
lab tests	8797
preventive care	965
thyroid function tests	1762
vaccines	125

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	484
Female	666

**Ethnicity**
Non-Hispanic White	1084
Black	0
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	510
From 75 to 84	384
85 and over	194
Less than 65	62

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2015

Hypertension	58
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	18
Asthma	6
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	37
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2016 were lab tests, thyroid function tests, blood draw and preventive care.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

anorectal procedures	25
blood draw	975
diabetes management	265
doctor visit	1142
lab tests	6731
preventive care	737
thyroid function tests	1443
vaccines	118

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	242
Female	337

**Ethnicity**
Non-Hispanic White	543
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	206
85 and over	93
Less than 65	32

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2016

Hypertension	52
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	35
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2017 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	818
doctor visit	1162
preventive care	100
vaccines	100

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	208
Female	316

**Ethnicity**
Non-Hispanic White	491
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	188
85 and over	93
Less than 65	24

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2017

Hypertension	62
High Cholesterol	52
Stroke	3
Ischemic Heart Disease	26
Depression	20
Chronic Kidney Disease	27
Asthma	5
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	34
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2018 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	867
doctor visit	1189
preventive care	96
vaccines	96

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	184
Female	310

**Ethnicity**
Non-Hispanic White	462
Black	0
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	178
85 and over	87
Less than 65	18

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2018

Hypertension	64
High Cholesterol	64
Stroke	3
Ischemic Heart Disease	25
Depression	21
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	29
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2019 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	954
doctor visit	1209
preventive care	105
vaccines	105

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	198
Female	336

**Ethnicity**
Non-Hispanic White	492
Black	0
Hispanic	0
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	200
85 and over	81
Less than 65	17

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2019

Hypertension	63
High Cholesterol	64
Stroke	3
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	20
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	27
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2020 were blood draw.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	641
doctor visit	815

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	182
Female	302

**Ethnicity**
Non-Hispanic White	447
Black	0
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	183
85 and over	85
Less than 65	12

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2020

Hypertension	58
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	24
Depression	15
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	25
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2021 were blood draw.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	716
doctor visit	866

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	185
Female	312

**Ethnicity**
Non-Hispanic White	453
Black	0
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	197
85 and over	77
Less than 65	17

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2021

Hypertension	62
High Cholesterol	64
Stroke	3
Ischemic Heart Disease	24
Depression	17
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	20
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	5
Diabetes	29
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA during 2022 were blood draw.

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

blood draw	703
doctor visit	830

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	175
Female	312

**Ethnicity**
Non-Hispanic White	448
Black	0
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	194
From 75 to 84	206
85 and over	74
Less than 65	13

Conditions of Medicare patients treated by Dr. John T. Larossa, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	20
Depression	14
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	29
Atrial Fibrilation	13
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Dementia	4
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John T. Larossa, MD for Medicare patients.

The highest averages for the top procedures that Dr. John T. Larossa, MD treated as an endocrinologist in Newton, MA were lab tests, thyroid function tests, blood draw and preventive care.

anorectal procedures	23
blood draw	901
diabetes management	353
doctor visit	1110
gastrointestinal procedures	22
lab tests	8784
minimally invasive procedures	22
preventive care	661
thyroid function tests	1682
vaccines	118

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John T. Larossa, MD.

**Gender**
Male	209
Female	321

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	496
Hispanic	0
Native American / Alaskan Native	0
Other	18

**Age**
75 to 84	192
85 and over	89
Less than 65	23
65 to 74	225

Average of Total of Conditions of Medicare patients treated by Dr. John T. Larossa, MD From 2012 - 2022

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

Hypertension	55
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	18
Asthma	6
Osteoporosis	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	29
Atrial Fibrillation	9
Cancer	12
Dementia	7

Education & Training

Dr. John T. Larossa, MD graduated from Tufts University School of Medicine. He completed residency at Newton-Wellesley Hospital. He is certified by the American Board of Internal Medicine and has a state license in Massachusetts.

Medical School: Tufts University School of Medicine

Residency: Newton-Wellesley Hospital

Board Certification: American Board of Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. John T. Larossa, MD is associated with these hospitals and organizations:

Newton-Wellesley Hospital

Ratings & Reviews

Dr. John T. Larossa, MD has a high overall rating with an average of 4.0 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. John T. Larossa, MD from all over the web to help you find the right in Newton, MA.

Overall Rating

(4 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2018-10-02

On of the best doctors I have ever had.
Takes his time to answer questions and actually looks at you rather than a computer screen.

General Payments

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

**Payments by Company**
Novo Nordisk Inc	$24 Norditropin $24
Shire North American Group Inc	$15 $15

**Types of Payments**
Food and Beverage	$24
Education	$15

Biography

Dr. John Larossa specializes in adult endocrinology and practices in Newton, MA. Patient ratings for Dr. Larossa average 4.0 stars (out of 5). He is especially interested in endocrine diseases (hormone disorders). After attending Tufts University School of Medicine, Dr. Larossa completed his residency training at Newton-Wellesley Hospital. He is professionally affiliated with Newton-Wellesley Hospital. Newton-Wellesley Hospital reports that he is accepting new patients at his office in Newton, MA.