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Home > NY Providers > Internists & Internal Medicine Doctors

Dr. Jonathan Gamss, MD

(No ratings)

Specializes in: Internal Medicine (Adult Medicine) and Emergency Medicine

391 E 149th Street Suite 403
Bronx, NY 10455

(718) 819-6144

Dr. Jonathan Gamss, MD is an internist in Brooklyn, NY specializing in internal medicine (adult medicine) and emergency medicine. Dr. Jonathan Gamss, MD is affiliated with RWJBarnabas Health and Clara Maass Medical Center.

Office Locations

3611 14th Avenue Suite 550
Brooklyn, NY 11218

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391 E 149th Street Suite 403
Bronx, NY 10455

(718) 819-6144

(718) 819-6145

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400 E Main Street
Mount Kisco, NY 10549

(914) 666-1680

(914) 666-1965

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Clara Maass Medical Center

Belleville, NJ 07109

(973) 450-2100

(973) 324-5018

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Noteworthy Medicare Patient Procedures Performed by Dr. Jonathan Gamss, MD in 2023

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

Top 25%

By Volume:

emergency room care

In 2012, Dr. Jonathan Gamss, MD performed more emergency room (ER) care procedures for Medicare patients than 75% of providers in related specialties within New York.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2012 were emergency care, hospital care and outpatient care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	928
hospital care	71
outpatient care	20

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2013 were emergency care, hospital care and outpatient care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	852
hospital care	84
outpatient care	27

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	401
Female	612

**Ethnicity**
Non-Hispanic White	581
Black	164
Hispanic	237
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	297
85 and over	249
Less than 65	189

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	17
Ischemic Heart Disease	71
Depression	32
Chronic Kidney Disease	44
Asthma	18
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	56
Chronic Obstructive Pulmonary Disease	34
Diabetes	59
Dementia	31
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2014 were emergency care, hospital care and outpatient care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	862
hospital care	256
outpatient care	194

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	469
Female	727

**Ethnicity**
Non-Hispanic White	648
Black	219
Hispanic	281
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	299
From 75 to 84	355
85 and over	287
Less than 65	255

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2014

Hypertension	75
High Cholesterol	68
Stroke	18
Ischemic Heart Disease	69
Depression	32
Chronic Kidney Disease	43
Asthma	22
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	49
Chronic Obstructive Pulmonary Disease	32
Diabetes	57
Dementia	30
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2015 were emergency care, outpatient care, hospital care and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	1000
hospital care	217
outpatient care	217
tracheal (windpipe) procedures	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	992
Female	1516

**Ethnicity**
Non-Hispanic White	1310
Black	468
Hispanic	632
Asian	58
Other	0
Native American	0

**Age**
From 65 to 74	686
From 75 to 84	672
85 and over	538
Less than 65	612

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	15
Ischemic Heart Disease	65
Depression	33
Chronic Kidney Disease	46
Asthma	29
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	47
Chronic Obstructive Pulmonary Disease	32
Diabetes	57
Dementia	28
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2016 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	821
hospital care	191
outpatient care	191

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	362
Female	617

**Ethnicity**
Non-Hispanic White	501
Black	206
Hispanic	239
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	272
From 75 to 84	256
85 and over	235
Less than 65	216

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	18
Ischemic Heart Disease	63
Depression	31
Chronic Kidney Disease	58
Asthma	38
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	59
Dementia	31
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2017 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	784
hospital care	73
outpatient care	73

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	343
Female	491

**Ethnicity**
Non-Hispanic White	415
Black	155
Hispanic	231
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	222
85 and over	186
Less than 65	184

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	18
Ischemic Heart Disease	60
Depression	37
Chronic Kidney Disease	60
Asthma	16
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	46
Chronic Obstructive Pulmonary Disease	32
Diabetes	58
Dementia	32
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2018 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	848
hospital care	36
outpatient care	36

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	360
Female	500

**Ethnicity**
Non-Hispanic White	437
Black	187
Hispanic	193
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	214
85 and over	212
Less than 65	179

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	19
Ischemic Heart Disease	64
Depression	37
Chronic Kidney Disease	59
Asthma	20
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	47
Chronic Obstructive Pulmonary Disease	34
Diabetes	59
Dementia	29
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2019 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

emergency care	770
hospital care	26
outpatient care	26

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	340
Female	483

**Ethnicity**
Non-Hispanic White	451
Black	133
Hispanic	202
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	234
85 and over	218
Less than 65	161

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	17
Ischemic Heart Disease	61
Depression	39
Chronic Kidney Disease	60
Asthma	19
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	46
Chronic Obstructive Pulmonary Disease	30
Diabetes	56
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2020 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

doctor visit	12
emergency care	508
hospital care	35
outpatient care	35

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	260
Female	338

**Ethnicity**
Non-Hispanic White	358
Black	109
Hispanic	113
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	164
85 and over	132
Less than 65	103

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	14
Ischemic Heart Disease	61
Depression	34
Chronic Kidney Disease	55
Asthma	14
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	41
Chronic Obstructive Pulmonary Disease	26
Diabetes	49
Dementia	27
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2021 were emergency care and lab tests.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

doctor visit	100
emergency care	724
lab tests	26

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	377
Female	438

**Ethnicity**
Non-Hispanic White	497
Black	129
Hispanic	152
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	224
85 and over	164
Less than 65	132

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	15
Ischemic Heart Disease	59
Depression	33
Chronic Kidney Disease	51
Asthma	14
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	52
Dementia	27
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY during 2022 were emergency care, lab tests, blood draw and outpatient care.

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

blood draw	43
doctor visit	470
emergency care	586
hospital care	33
lab tests	72
outpatient care	33

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	464
Female	570

**Ethnicity**
Non-Hispanic White	667
Black	171
Hispanic	136
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	439
From 75 to 84	251
85 and over	197
Less than 65	147

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	13
Atrial Fibrilation	24
Heart Failure	28
Chronic Obstructive Pulmonary Disease	21
Diabetes	47
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jonathan Gamss, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jonathan Gamss, MD treated as an internist in Brooklyn, NY were emergency care, hospital care, outpatient care and lab tests.

blood draw	43
doctor visit	194
emergency care	789
hospital care	102
lab tests	49
outpatient care	85
tracheal (windpipe) procedures	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jonathan Gamss, MD.

**Gender**
Male	397
Female	572

**Ethnicity**
Black / African American	176
Asian / Pacific Islander	16
Non-Hispanic White	533
Native American / Alaskan Native	0
Hispanic	219
Other	4

**Age**
75 to 84	262
85 and over	219
Less than 65	198
65 to 74	288

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

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

Hypertension	68
High Cholesterol	63
Stroke	15
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	46
Asthma	18
Osteoporosis	8
Heart Failure	40
Chronic Obstructive Pulmonary Disease	26
Diabetes	50
Atrial Fibrillation	18
Dementia	25
Cancer	12

Education & Training

He has a state license in New York.

Licensed In: New York

Affiliations & Hospitals

Dr. Jonathan Gamss, MD is associated with these hospitals and organizations:

RWJBarnabas Health

Clara Maass Medical Center

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. Jonathan Gamss, MD appears to accept the following insurance providers: Cigna, Group Health Incorporated (GHI), Aetna PPO, Aetna HMO, MagnaCare, AmeriHealth, Amerigroup, Horizon Blue Cross Blue Shield, Medicaid and Consumer Health Plan.

Insurance Accepted by Provider includes:

According to our sources, Dr. Jonathan Gamss, MD accepts the following insurance providers:

Cigna

Group Health Incorporated (GHI)

Aetna PPO

Aetna HMO

MagnaCare

AmeriHealth

Amerigroup

Horizon Blue Cross Blue Shield

Medicaid

Consumer Health Plan

Ratings & Reviews

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General Payments

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

**Payments by Company**
Allergan Inc.	$393 DALVANCE $165	AVYCAZ $56	TEFLARO $38	$135
Janssen Pharmaceuticals, Inc	$277 XARELTO $277
AstraZeneca Pharmaceuticals LP	$160 ANDEXXA $64	BRILINTA $55	LOKELMA $26	FASENRA $15
AbbVie Inc.	$151 DALVANCE $151
Regeneron Healthcare Solutions, Inc.	$125 DUPIXENT $125
Other	$902 ELIQUIS $144	Ozempic $113	DALVANCE $85	KcentraBeriplex $78	TEFLARO $48	Other $433

**Types of Payments**
Food and Beverage	$1,993
Education	$15

Biography

Dr. Jonathan Gamss is a medical specialist in emergency medicine. He appears to be in-network for Amerigroup, MagnaCare, Blue California, and more. Dr. Gamss graduated from Albert Einstein College of Medicine of Yeshiva University. He is professionally affiliated with Clara Maass Medical Center.

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Dr. Jonathan Gamss, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Jonathan Gamss, MD in 2023

By Volume:

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. Jonathan Gamss, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jonathan Gamss, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

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

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

Other Providers in Brooklyn, NY