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Home > NJ Providers > Radiation Oncologists

Dr. Ronald D. Ennis, MD

Accepting New Patients

(4 Ratings)

Specializes in: Radiation Oncology

Yale School of Medicine (1994)

Professional interests include: robotic stereotactic radiosurgery (CyberKnife), image-guided radiation therapy (IGRT), intensity-modulated radiation therapy (IMRT), and more.

195 LITTLE ALBANY STREET
NEW BRUNSWICK, NJ 08901

(732) 235-2465

Dr. Ronald D. Ennis, MD is a radiation oncologist in NEW BRUNSWICK, NJ specializing in radiation oncology. He graduated from Yale School of Medicine in 1994 and has 32 years of experience. Dr. Ronald D. Ennis, MD is affiliated with RWJBarnabas Health, Robert Wood Johnson University Hospital Hamilton, Jersey City Medical Center, Robert Wood Johnson University Hospital Somerset, Robert Wood Johnson University Hospital (RWJUH), Rutgers Robert Wood Johnson Medical School and RWJBarnabas Health Medical Group.

Office Locations

195 LITTLE ALBANY STREET
NEW BRUNSWICK, NJ 08901

open_in_new

195 Little Albany Street
New Brunswick, NJ 08903

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In The News (see more mentions in the news)

“The study is considered the first of its kind to examine the role of weight change in the development of prostate cancer, said Dr. Ronald Ennis, director of radiation oncology at St....”—"Losing Weight Lowers Prostate Cancer Risk", Fox News, March 2015

“"This is another piece of evidence for the notion that red meat, particularly grilled meat, contains carcinogens that may relate to prostate cancer," says Ronald D. Ennis, M.D., director of...”—"Well-done red meat linked to aggressive prostate cancer", CNN, November 2011

“Dr. Ronald Ennis, a radiation oncologist at St. Luke's-Roosevelt and Beth Israel Medical Center in New York, studied the impact a weak economy has on the diagnosis and treatment of cancer.”—"Cancer costs put treatments out of reach for many", NBC News, June 2011

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Ennis, MD treated as a radiation oncologist in NEW BRUNSWICK, NJ during 2012 were radiation therapy.

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	470
radiation therapy	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	331

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	134
Female	29

**Ethnicity**
Non-Hispanic White	94
Black	40
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2013

Hypertension	64
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	40
Depression	10
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	0
Diabetes	44
Dementia	9
Cancer	75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	425

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	146
Female	46

**Ethnicity**
Non-Hispanic White	101
Black	47
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	76
85 and over	17
Less than 65	11

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2014

Hypertension	62
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	36
Depression	11
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	40
Dementia	6
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	289

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	260
Female	82

**Ethnicity**
Non-Hispanic White	184
Black	94
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	144
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2015

Hypertension	68
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	38
Depression	11
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	6
Diabetes	39
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Ennis, MD treated as a radiation oncologist in NEW BRUNSWICK, NJ during 2016 were radiation therapy.

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	384
radiation therapy	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	145
Female	45

**Ethnicity**
Non-Hispanic White	92
Black	59
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	77
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2016

Hypertension	69
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	36
Depression	9
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	6
Diabetes	43
Dementia	6
Cancer	74

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	294

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	107
Female	41

**Ethnicity**
Non-Hispanic White	64
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2017

Hypertension	68
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	0
Diabetes	39
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	136

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	66
Female	43

**Ethnicity**
Non-Hispanic White	65
Black	13
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	39
85 and over	12
Less than 65	11

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2018

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	41
Dementia	15
Cancer	59

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	154

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	86
Female	67

**Ethnicity**
Non-Hispanic White	99
Black	14
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	52
85 and over	14
Less than 65	17

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	0
Atrial Fibrilation	18
Heart Failure	27
Chronic Obstructive Pulmonary Disease	16
Diabetes	44
Dementia	13
Cancer	53

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	130

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	72
Female	39

**Ethnicity**
Non-Hispanic White	82
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	37
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2020

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	40
Depression	23
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	16
Diabetes	41
Dementia	0
Cancer	61

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	175

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	87
Female	49

**Ethnicity**
Non-Hispanic White	93
Black	0
Hispanic	14
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	51
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2021

Hypertension	75
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	43
Asthma	13
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	10
Cancer	58

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

doctor visit	233

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	126
Female	53

**Ethnicity**
Non-Hispanic White	135
Black	12
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	66
85 and over	14
Less than 65	12

Conditions of Medicare patients treated by Dr. Ronald D. Ennis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	36
Depression	18
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	8
Atrial Fibrilation	21
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ronald D. Ennis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald D. Ennis, MD treated as a radiation oncologist in NEW BRUNSWICK, NJ were radiation therapy.

doctor visit	274
radiation therapy	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ronald D. Ennis, MD.

**Gender**
Male	111
Female	44

**Ethnicity**
Black / African American	29
Asian / Pacific Islander	1
Non-Hispanic White	91
Native American / Alaskan Native	0
Hispanic	8
Other	0

**Age**
75 to 84	60
85 and over	5
Less than 65	4
65 to 74	70

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

The highest averages of the most common conditions of Medicare patients that Dr. Ronald D. Ennis, MD treated were hypertension, cancer, high cholesterol and diabetes.

Hypertension	64
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	27
Asthma	4
Osteoporosis	2
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	36
Atrial Fibrillation	10
Dementia	6
Cancer	61

Education & Training

Dr. Ronald D. Ennis, MD graduated from Yale School of Medicine in 1994. He completed residency at Bridgeport Hospital. He is certified by the American Board of Radiology and has a state license in New York.

Medical School: Yale School of Medicine (1994)

Residency: Bridgeport Hospital

Board Certification: American Board of Radiology

Licensed In: New York

Affiliations & Hospitals

Dr. Ronald D. Ennis, MD is associated with these hospitals and organizations:

RWJBarnabas Health

Robert Wood Johnson University Hospital Hamilton

Jersey City Medical Center

Robert Wood Johnson University Hospital Somerset

Robert Wood Johnson University Hospital (RWJUH)

Rutgers Robert Wood Johnson Medical School

RWJBarnabas Health Medical Group

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 D. Ennis, MD appears to accept the following insurance providers: Fidelis Care, Cigna, Aetna, EmblemHealth, Consumer Health Network, WellCare, CIGNA Medicare, Horizon Blue Cross Blue Shield, Aetna Medicare, Aetna Better Health, Centivo, Clover and DOL.

Insurance Accepted by Provider includes:

According to our sources, Dr. Ronald D. Ennis, MD accepts the following insurance providers:

Fidelis Care

Cigna

Aetna

EmblemHealth

Consumer Health Network

WellCare

CIGNA Medicare

Horizon Blue Cross Blue Shield

Aetna Medicare

Aetna Better Health

Centivo

Clover

DOL

Ratings & Reviews

Dr. Ronald D. Ennis, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. Ronald D. Ennis, MD from all over the web to help you find the right in NEW BRUNSWICK, NJ.

Overall Rating

(4 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-04-03

Patient verified via Press Ganey

DR. Ennis is a very excellent and very helpful Physician

Overall Rating: 5.0 2025-05-12

Patient verified via Press Ganey

Would definitely recommend Dr. Ennis.

Overall Rating: 5.0 2025-08-31

Patient verified via Press Ganey

He is an excellent practitioner

Overall Rating: 5.0 2023-05-17

Patient verified via Press Ganey

Best care I ever experienced.

General Payments

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

**Payments by Company**
Siemens Medical Solutions USA, Inc.	$2,211 Varian Treatment $531	$1,680
Varian Medical Systems, Inc.	$1,250 TrueBeam $1,220	Halcyon $17	Radiation Oncology $12
Bayer HealthCare Pharmaceuticals Inc.	$231 Xofigo $231
Ferring Pharmaceuticals Inc.	$156 FIRMAGON $156
Mevion_Medical_Systems_Inc	$93 PTS250 $93
Other	$96 Compact $75	BioZorb $21

**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	$1,680
Travel and Lodging	$1,422
Food and Beverage	$934

Research Payments

Dr. Ronald D. Ennis, MD has received 2 research payments totaling $35,036.

Biography

Dr. Ronald Ennis is a specialist in radiation oncology. Patients gave Dr. Ennis an average rating of 5.0 stars (out of 5). Clinical interests for Dr. Ennis include intensity-modulated radiation therapy (IMRT), brachytherapy (seed implants), and gynecologic cancer. He seems to honor several insurance carriers, including Blue California, Fidelis Care, and Aetna. Dr. Ennis obtained his medical school training at Yale School of Medicine and performed his residency at Yale-New Haven Hospital and Bridgeport Hospital. He is affiliated with Jersey City Medical Center, Robert Wood Johnson University Hospital Hamilton, and Robert Wood Johnson University Hospital Somerset. His practice in New Brunswick, NJ is open to new patients as reported by Doctor.com.