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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Roger Marcus:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Roger Marcus, Rheumatologist is Good. Dr. Marcus has been reviewed by 16 patients who have provided 9 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 3.7
Courteous Staff 4.3
Accurate Diagnosis 4.6
Bedside Manner 4.0
Spends Time with Me 4.2
Follows Up After Visit 4.2

Specialties & Research

Dr. Roger Marcus, MD is board certified in Internal Medicine.

  • He has special expertise in 5 areas:
  • Ankylosing Spondylitis
  • Gout
  • Psoriatic Arthritis
  • Rheumatic Diseases
  • Vasculitis

Education & Awards

Dr. Marcus graduated from Yeshiva University, Bronx.


Dr. Marcus has 3 hospital affiliations:

  • Franklin Square Hospital 
  • Harford Memorial Hosp 
  • Upper Chesapeake Medical Center 

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Additional Information
Dr. Roger W Marcus MD is a male Internist, has 38 years of experience and practices in Internal Medicine.
Where does Dr. Roger W. Marcus practice?
Dr. Roger Marcus has 1 office location.
Dr. Roger Marcus practices Internal Medicine near Fallston, MD.
See Fallston Internists.