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Dr. Leonard A. Grossman, MD

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Specializes in: Adult Rheumatology

419 N Harrison Street
Princeton, NJ 08540

Dr. Leonard A. Grossman, MD is a rheumatologist in Princeton, NJ specializing in adult rheumatology.

Office Locations

419 N Harrison Street
Princeton, NJ 08540

(609) 430-9481

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2012 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	96
blood draw	1014
diabetes management	130
doctor visit	1839
hospital care	268
injections	96
inpatient care	268
lab tests	2972
minimally invasive procedures	32
preventive care	545
thyroid function tests	326
vaccines	140

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2013 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	70
blood draw	914
diabetes management	138
doctor visit	1573
hospital care	163
injections	70
inpatient care	163
lab tests	2594
minimally invasive procedures	29
preventive care	428
thyroid function tests	299
vaccines	90

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	224
Female	434

**Ethnicity**
Non-Hispanic White	618
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	247
85 and over	205
Less than 65	19

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2013

Hypertension	72
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	17
Asthma	5
Osteoperosis	23
Atrial Fibrilation	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2014 were lab tests, blood draw, thyroid function tests and preventive care.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	140
blood draw	888
diabetes management	104
doctor visit	1490
injections	140
lab tests	2283
minimally invasive procedures	22
preventive care	355
thyroid function tests	366
vaccines	73

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	214
Female	425

**Ethnicity**
Non-Hispanic White	578
Black	16
Hispanic	12
Asian	16
Other	17
Native American	0

**Age**
From 65 to 74	203
From 75 to 84	234
85 and over	179
Less than 65	23

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2014

Hypertension	67
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	31
Depression	15
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	22
Atrial Fibrilation	17
Heart Failure	16
Chronic Obstructive Pulmonary Disease	6
Diabetes	26
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2015 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	47
blood draw	233
doctor visit	594
injections	47
lab tests	475
preventive care	20
thyroid function tests	19
vaccines	20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	180
Female	496

**Ethnicity**
Non-Hispanic White	604
Black	0
Hispanic	0
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	258
85 and over	156
Less than 65	36

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2015

Hypertension	64
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	35
Depression	17
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	31
Atrial Fibrilation	17
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2016 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	30
blood draw	282
doctor visit	445
injections	30
lab tests	608
preventive care	20
thyroid function tests	24
vaccines	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	67
Female	155

**Ethnicity**
Non-Hispanic White	197
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	88
85 and over	45
Less than 65	11

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2016

Hypertension	63
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	20
Asthma	12
Osteoperosis	24
Atrial Fibrilation	18
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2017 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	34
blood draw	241
doctor visit	433
injections	34
lab tests	599
preventive care	24
thyroid function tests	23
vaccines	24

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	53
Female	140

**Ethnicity**
Non-Hispanic White	169
Black	0
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	82
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2017

Hypertension	64
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	35
Depression	17
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	29
Atrial Fibrilation	16
Heart Failure	17
Chronic Obstructive Pulmonary Disease	7
Diabetes	28
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2018 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	39
blood draw	233
doctor visit	432
injections	39
lab tests	538
preventive care	24
thyroid function tests	15
vaccines	24

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	47
Female	130

**Ethnicity**
Non-Hispanic White	150
Black	0
Hispanic	0
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	64
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2018

Hypertension	66
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	37
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	12
Cancer	19

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2019 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	34
blood draw	249
doctor visit	407
injections	34
lab tests	555
minimally invasive procedures	30
preventive care	22
thyroid function tests	20
vaccines	22

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	47
Female	114

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	62
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2019

Hypertension	65
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	24
Depression	15
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	36
Atrial Fibrilation	15
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2020 were lab tests, blood draw, minimally invasive procedures and preventive care.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

blood draw	147
doctor visit	272
lab tests	351
minimally invasive procedures	36
preventive care	16
thyroid function tests	13
vaccines	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	26
Female	81

**Ethnicity**
Non-Hispanic White	92
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2020

Hypertension	59
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	39
Atrial Fibrilation	17
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2021 were lab tests, blood draw, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

aspiration	21
blood draw	148
doctor visit	275
injections	21
lab tests	339
minimally invasive procedures	34
preventive care	15
thyroid function tests	17
vaccines	15

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	27
Female	84

**Ethnicity**
Non-Hispanic White	91
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2021

Hypertension	63
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	41
Atrial Fibrilation	19
Heart Failure	16
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	11
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ during 2022 were lab tests and blood draw.

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

blood draw	117
doctor visit	276
lab tests	225

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	20
Female	76

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	38
85 and over	28
Less than 65	0

Conditions of Medicare patients treated by Dr. Leonard A. Grossman, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	13
Depression	20
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	48
Atrial Fibrilation	25
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Leonard A. Grossman, MD for Medicare patients.

The highest averages for the top procedures that Dr. Leonard A. Grossman, MD treated as a rheumatologist in Princeton, NJ were lab tests, blood draw, hospital care and inpatient care.

aspiration	56
blood draw	406
diabetes management	124
doctor visit	730
hospital care	215
injections	56
inpatient care	215
lab tests	1049
minimally invasive procedures	30
preventive care	146
thyroid function tests	112
vaccines	44

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Leonard A. Grossman, MD.

**Gender**
Male	82
Female	194

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	7
Non-Hispanic White	247
Hispanic	1
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	105
85 and over	55
Less than 65	8
65 to 74	85

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

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

Hypertension	59
High Cholesterol	54
Stroke	2
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	19
Asthma	2
Osteoporosis	30
Heart Failure	10
Chronic Obstructive Pulmonary Disease	3
Diabetes	22
Atrial Fibrillation	16
Cancer	15
Dementia	8

Education & Training

He has a state license in New Jersey.

Licensed In: New Jersey

Ratings & Reviews

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$248 Actemra $204	Gazyva $45
AbbVie, Inc.	$15 Rinvoq $15
E.R. Squibb & Sons, L.L.C.	$12 ORENCIA $12
Gilead Sciences, Inc.	$11 $11

**Types of Payments**
Education	$151
Food and Beverage	$136

Biography

Dr. Leonard Grossman is a Princeton, NJ physician who specializes in adult rheumatology. Dr. Grossman has obtained a license to practice in New Jersey.