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Dr. Ronald G. Nahass, MD

Accepting New Patients

(1 Rating)

Specializes in: Adult Infectious Disease

UMDNJ-Robert Wood Johnson Medical School

Professional interests include: HIV/AIDS

10 Forrestal Road South Suite 203
Princeton, NJ 08540

(609) 759-2750

Dr. Ronald G. Nahass, MD is an adult infectious disease specialist in Princeton, NJ specializing in adult infectious disease. He graduated from UMDNJ-Robert Wood Johnson Medical School. Dr. Ronald G. Nahass, MD is affiliated with RWJBarnabas Health, Atlantic Health System, Saint Peter's Healthcare System, Robert Wood Johnson University Hospital Rahway, Robert Wood Johnson University Hospital Somerset, Robert Wood Johnson University Hospital (RWJUH) and Morristown Medical Center.

Office Locations

10 Forrestal Road South Suite 203
Princeton, NJ 08540

(609) 759-2750

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Robert Wood Johnson University Hospital (RWJUH)

105 Raider Boulevard Suite 101
Hillsborough, NJ 08844

(908) 281-0221

(908) 281-0890

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49 Veronica Avenue Suite 102
Somerset, NJ 08873

(732) 729-0920

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Saint Peter's Healthcare System

81 Veronica Avenue Suite 203
Somerset, NJ

(732) 729-0920

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In The News (see more mentions in the news)

“The updated charter "is another alarming action by Secretary Kennedy that will further dismantle U.S. vaccine infrastructure, spread misinformation and confusion about vaccines, and lead to reduced...”—"Experts Blast New Rules for CDC Vaccine Panel", MedPage Today, April 2026

“Dr. Ronald Nahass, president of the Infectious Diseases Society of America, called the U.S. withdrawal "shortsighted and misguided" and "scientifically reckless."”—"US completes withdrawal from World Health Organization", ABC7 News, January 2026

“Ronald Nahass, MD, president of the Infectious Diseases Society of America, called the U.S. withdrawal "shortsighted and misguided" and "scientifically reckless."”—"U.S. Completes Its WHO Withdrawal", MedPage Today, January 2026

Noteworthy Medicare Patient Procedures Performed by Dr. Ronald G. Nahass, MD in 2023

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

Top 10%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Ronald G. Nahass, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within New Jersey. 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. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2012 were minimally invasive procedures, hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

doctor visit	483
hospital care	309
inpatient care	309
minimally invasive procedures	365
nursing home care	44
preventive care	25
vaccines	25

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2013 were minimally invasive procedures, hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

doctor visit	510
hospital care	239
inpatient care	239
minimally invasive procedures	258
nursing home care	158
preventive care	59
vaccines	59

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	193
Female	199

**Ethnicity**
Non-Hispanic White	335
Black	31
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	119
85 and over	79
Less than 65	81

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	13
Ischemic Heart Disease	60
Depression	33
Chronic Kidney Disease	55
Asthma	12
Osteoperosis	12
Atrial Fibrilation	27
Heart Failure	48
Chronic Obstructive Pulmonary Disease	30
Diabetes	50
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2014 were hospital care, inpatient care, minimally invasive procedures and nursing home care.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	40
doctor visit	722
hospital care	619
inpatient care	619
minimally invasive procedures	242
nursing home care	194
preventive care	30
vaccines	30

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	329
Female	345

**Ethnicity**
Non-Hispanic White	553
Black	65
Hispanic	0
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	194
85 and over	155
Less than 65	127

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	14
Ischemic Heart Disease	60
Depression	32
Chronic Kidney Disease	58
Asthma	12
Osteoperosis	12
Atrial Fibrilation	31
Heart Failure	47
Chronic Obstructive Pulmonary Disease	28
Diabetes	53
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2015 were nursing home care, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	62
doctor visit	747
hospital care	350
inpatient care	350
minimally invasive procedures	210
nursing home care	362
preventive care	35
vaccines	35

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	624
Female	738

**Ethnicity**
Non-Hispanic White	1128
Black	114
Hispanic	34
Asian	48
Other	38
Native American	0

**Age**
From 65 to 74	402
From 75 to 84	400
85 and over	324
Less than 65	236

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	15
Ischemic Heart Disease	63
Depression	42
Chronic Kidney Disease	55
Asthma	19
Osteoperosis	11
Atrial Fibrilation	32
Heart Failure	49
Chronic Obstructive Pulmonary Disease	29
Diabetes	49
Dementia	28
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2016 were minimally invasive procedures, nursing home care, hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	49
doctor visit	839
hospital care	58
inpatient care	58
minimally invasive procedures	198
nursing home care	129
preventive care	54
vaccines	54

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	214
Female	216

**Ethnicity**
Non-Hispanic White	353
Black	30
Hispanic	19
Asian	12
Other	16
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	124
85 and over	84
Less than 65	67

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	53
Depression	35
Chronic Kidney Disease	49
Asthma	27
Osteoperosis	10
Atrial Fibrilation	23
Heart Failure	36
Chronic Obstructive Pulmonary Disease	25
Diabetes	43
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2017 were minimally invasive procedures, hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	46
doctor visit	735
hospital care	142
inpatient care	142
minimally invasive procedures	145
nursing home care	65

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	187
Female	210

**Ethnicity**
Non-Hispanic White	335
Black	22
Hispanic	13
Asian	15
Other	12
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	103
85 and over	70
Less than 65	72

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2017

Hypertension	74
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	55
Depression	39
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	43
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2018 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	121
doctor visit	924
hospital care	131
inpatient care	131
lab tests	29
minimally invasive procedures	324
nursing home care	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	220
Female	201

**Ethnicity**
Non-Hispanic White	336
Black	32
Hispanic	19
Asian	20
Other	14
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	98
85 and over	65
Less than 65	71

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2018

Hypertension	74
High Cholesterol	65
Stroke	10
Ischemic Heart Disease	48
Depression	35
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2019 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	87
doctor visit	843
hospital care	159
inpatient care	159
lab tests	66
minimally invasive procedures	348
nursing home care	36
preventive care	14
vaccines	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	211
Female	196

**Ethnicity**
Non-Hispanic White	323
Black	33
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	119
85 and over	50
Less than 65	78

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2019

Hypertension	68
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	44
Asthma	12
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2020 were hospital care, inpatient care, minimally invasive procedures and blood draw.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	185
doctor visit	668
hospital care	378
inpatient care	378
lab tests	21
minimally invasive procedures	185

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	240
Female	259

**Ethnicity**
Non-Hispanic White	419
Black	26
Hispanic	23
Asian	12
Other	19
Native American	0

**Age**
From 65 to 74	250
From 75 to 84	138
85 and over	51
Less than 65	60

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2020

Hypertension	66
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2021 were hospital care, inpatient care, minimally invasive procedures and blood draw.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	196
doctor visit	978
hospital care	313
inpatient care	313
lab tests	20
minimally invasive procedures	304
preventive care	18
vaccines	18

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	299
Female	368

**Ethnicity**
Non-Hispanic White	535
Black	46
Hispanic	29
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	200
85 and over	99
Less than 65	79

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	39
Depression	32
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ during 2022 were hospital care, inpatient care, minimally invasive procedures and blood draw.

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

blood draw	256
doctor visit	733
hospital care	381
inpatient care	381
minimally invasive procedures	332

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	202
Female	220

**Ethnicity**
Non-Hispanic White	333
Black	30
Hispanic	21
Asian	17
Other	21
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	134
85 and over	58
Less than 65	62

Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	34
Depression	31
Chronic Kidney Disease	27
Asthma	14
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ronald G. Nahass, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald G. Nahass, MD treated as an adult infectious disease specialist in Princeton, NJ were hospital care, inpatient care, minimally invasive procedures and nursing home care.

blood draw	115
doctor visit	743
hospital care	279
inpatient care	279
lab tests	34
minimally invasive procedures	264
nursing home care	128
preventive care	33
vaccines	33

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ronald G. Nahass, MD.

**Gender**
Male	247
Female	268

**Ethnicity**
Black / African American	39
Asian / Pacific Islander	17
Non-Hispanic White	422
Native American / Alaskan Native	0
Hispanic	17
Other	10

**Age**
75 to 84	148
85 and over	94
Less than 65	84
65 to 74	188

Average of Total of Conditions of Medicare patients treated by Dr. Ronald G. Nahass, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Ronald G. Nahass, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	66
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	45
Depression	31
Chronic Kidney Disease	42
Asthma	12
Osteoporosis	9
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Atrial Fibrillation	20
Dementia	16
Cancer	13

Education & Training

Dr. Ronald G. Nahass, MD graduated from UMDNJ-Robert Wood Johnson Medical School. He completed residency at Robert Wood Johnson University Hospital. He is certified by the Board certifications: Internal Medicine and has a state license in New Jersey.

Medical School: UMDNJ-Robert Wood Johnson Medical School

Residency: Robert Wood Johnson University Hospital

Board Certification: Board certifications: Internal Medicine (1985)

Licensed In: New Jersey

Affiliations & Hospitals

Dr. Ronald G. Nahass, MD is associated with these hospitals and organizations:

RWJBarnabas Health

Atlantic Health System

Saint Peter's Healthcare System

Robert Wood Johnson University Hospital Rahway

Robert Wood Johnson University Hospital Somerset

Robert Wood Johnson University Hospital (RWJUH)

Morristown 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. Ronald G. Nahass, MD appears to accept the following insurance providers: Cigna, Aetna, Consumer Health Network, Railroad Medicare, QualCare, AmeriHealth, United Healthcare, Horizon Blue Cross Blue Shield, Oxford Health Plans, Health Net, Medicare and Medicaid.

Insurance Accepted by Provider includes:

According to our sources, Dr. Ronald G. Nahass, MD accepts the following insurance providers:

Cigna

Aetna

Consumer Health Network

Railroad Medicare

QualCare

AmeriHealth

United Healthcare

Horizon Blue Cross Blue Shield

Oxford Health Plans

Health Net

Medicare

Medicaid

Ratings & Reviews

Dr. Ronald G. Nahass, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Ronald G. Nahass, MD from all over the web to help you find the right in Princeton, NJ.

Overall Rating

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General Payments

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

**Payments by Company**
Gilead Sciences, Inc.	$67,348 Epclusa $18,227	Veklury $9,706	Truvada $8,948	Descovy $4,685	Biktarvy $1,974	Other $23,807
ViiV Healthcare Company	$66,511 DOVATO $61,091	CABENUVA $197	APRETUDE $187	JULUCA $112	RUKOBIA $88	Other $4,836
Gilead Sciences Inc	$39,299 Sovaldi $13,832	Harvoni $13,539	$11,928
Integra LifeSciences Corporation	$35,625 Duragen $6,375	$29,250
AbbVie, Inc.	$26,957 Viekira $12,038	Mavyret $6,018	Lupron $4,083	Kaletra $72	Moderiba $63	Other $4,683
Other	$93,340 OLYSIO $26,032	Mavyret $20,595	DAKLINZA $9,495	DELSTRIGO $5,721	Arikayce $3,710	Other $27,787

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$185,285
Consulting Fee	$76,656
Travel and Lodging	$45,127
Food and Beverage	$20,750
Education	$824
Other	$436

Research Payments

Dr. Ronald G. Nahass, MD has received 1805 research payments totaling $8,799,324.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Ronald G. Nahass, MD.

New Wave Endo-Surgical Corp.	2022	$50,690.00	Physician Covered Recipient	n/a
New Wave Endo-Surgical Corp.	2021	$50,000.00	Physician Covered Recipient	none

Biography

Dr. Ronald Nahass specializes in adult infectious disease and practices in Hillsborough, NJ, Somerset, NJ, and Princeton, NJ. He has a special interest in HIV/AIDS. He appears to be in-network for Blue California, Aetna, Railroad Medicare, and more. Dr. Nahass's education and training includes medical school at UMDNJ-Robert Wood Johnson Medical School and residency at Robert Wood Johnson University Hospital. Dr. Nahass's hospital/clinic affiliations include Morristown Medical Center, Saint Peter's Healthcare System, and Robert Wood Johnson University Hospital Somerset. He welcomes new patients at his office inHillsborough, NJ as reported by Atlantic Health System.