of
RM

Roy Marcus

Dr. Marcus is a nephrologist in the Chester area. He is affiliated with Riddle Hospital and Crozer Chester Medical Center.
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Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
18k doctors
Top 15%
18k doctors
Top 5%
9.0k doctors
Dr. Marcus saw more chronic kidney disease patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
38k doctors
Top 15%
38k doctors
Top 5%
19k doctors
Dr. Marcus saw more cardiovascular disease (CVD) patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
36k doctors
Top 15%
36k doctors
Top 5%
18k doctors
Dr. Marcus saw more vascular disease patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
11k doctors
Top 15%
11k doctors
Top 5%
5.5k doctors
Dr. Marcus saw more acute renal failure patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
12k doctors
Top 15%
12k doctors
Top 5%
6.1k doctors
Dr. Marcus saw more kidney failure patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
7.4k doctors
Top 15%
7.4k doctors
Top 5%
3.7k doctors
Dr. Marcus saw more hyponatremia patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
34k doctors
Top 15%
34k doctors
Top 5%
17k doctors
Dr. Marcus saw more diabetes patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
31k doctors
Top 15%
31k doctors
Top 5%
15k doctors
Dr. Marcus saw more type 2 diabetes patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
26k doctors
Top 15%
26k doctors
Top 5%
13k doctors
Dr. Marcus saw more anemia patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
17k doctors
Top 15%
17k doctors
Top 5%
8.4k doctors
Dr. Marcus saw more heart failure patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
3.1k doctors
Top 15%
3.1k doctors
Top 5%
1.6k doctors
Dr. Marcus saw more kidney infection patients than 85% of similar doctors nationwide in 2014–2019. Learn more.
Top 25%
15k doctors
Top 15%
15k doctors
Top 5%
7.5k doctors
Dr. Marcus saw more swelling patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
26k doctors
Top 15%
26k doctors
Top 5%
13k doctors
Dr. Marcus saw more heart disease patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
23k doctors
Top 15%
23k doctors
Top 5%
11k doctors
Dr. Marcus saw high cholesterol patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

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Top 25%
15k doctors
Top 15%
15k doctors
Top 5%
7.7k doctors
Dr. Marcus saw more congestive heart failure (CHF) patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
4.0k doctors
Top 15%
4.0k doctors
Top 5%
2.0k doctors
Dr. Marcus saw arteriosclerosis patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
21k doctors
Top 15%
21k doctors
Top 5%
10k doctors
Dr. Marcus saw more peripheral vascular disease (PVD) patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
14k doctors
Top 15%
14k doctors
Top 5%
6.9k doctors
Dr. Marcus saw more hormonal imbalance patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
6.6k doctors
Top 15%
6.6k doctors
Top 5%
3.3k doctors
Dr. Marcus saw more type 1 diabetes patients than 85% of similar doctors nationwide in 2014–2019. Learn more.
Top 25%
6.7k doctors
Top 15%
6.7k doctors
Top 5%
3.3k doctors
Dr. Marcus saw more kidney stones patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
14k doctors
Top 15%
14k doctors
Top 5%
6.8k doctors
Dr. Marcus saw more high blood pressure (hypertension) patients than 75% of similar doctors nationwide in 2014–2019. Learn more.
Top 25%
9.5k doctors
Top 15%
9.5k doctors
Top 5%
4.7k doctors
Dr. Marcus saw more sepsis patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
7.9k doctors
Top 15%
7.9k doctors
Top 5%
4.0k doctors
Dr. Marcus saw more gout patients than 85% of similar doctors nationwide in 2014–2019. Learn more.
Top 25%
1.9k doctors
Top 15%
1.9k doctors
Top 5%
943 doctors
Dr. Marcus saw immunodeficiency patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
18k doctors
Top 15%
18k doctors
Top 5%
8.8k doctors
Dr. Marcus saw pneumonia patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
2.5k doctors
Top 15%
2.5k doctors
Top 5%
1.2k doctors
Dr. Marcus saw HIV patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
1.9k doctors
Top 15%
1.9k doctors
Top 5%
955 doctors
Dr. Marcus saw kidney cyst patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
17k doctors
Top 15%
17k doctors
Top 5%
8.4k doctors
Dr. Marcus saw atrial fibrillation (Afib) patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
464 doctors
Top 15%
464 doctors
Top 5%
231 doctors
Dr. Marcus saw arteriovenous (AV) fistula patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
11k doctors
Top 15%
11k doctors
Top 5%
5.4k doctors
Dr. Marcus saw peripheral artery disease (PAD) patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Locations

Dr. Marcus sees patients and can be reached at the following locations.

Office
30 Medical Center Blvd
Chester, PA 19013
467 miles away
Brinton Lake Imaging
300 Evergreen Dr
Glen Mills, PA 19342
459 miles away

Reviews

Credentials
  • Temple University School of Medicine
    MEDICAL EDUCATION, 1986

Specializations

    1. Allopathic & Osteopathic Physicians
    2. Internal Medicine
    3. Nephrology
    1. Allopathic & Osteopathic Physicians
    2. Internal Medicine

Hospital affiliations

Dr. Marcus is able to admit and treat patients at the following hospitals.

  • Riddle Hospital
    C
    Hospital safety grade (Fall 2019)
  • Crozer Chester Medical Center
    Hospital safety grade not available

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of New Mexico
  • Blue Cross and Blue Shield of North Dakota
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Vermont
  • Blue Cross and Blue Shield of Wyoming
  • Blue Cross of Idaho
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • CareFirst BlueCross BlueShield
  • Cigna
  • CommunityCare
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • EmblemHealth
  • Geisinger Health Plan
  • HealthCare Partners
  • HealthNow New York
  • HealthSCOPE Benefits
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Medicare
  • Meritain Health
  • Pomco
  • Premera Blue Cross
  • Regence Blue Cross Blue Shield
  • TRICARE
  • UPMC Health Plan
  • United Healthcare
  • Wellmark Blue Cross and Blue Shield