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Internist, Infectious Disease Specialist (virus, bacteria, parasites)
29 years of experience
Accepting new patients
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. Donald Marcus:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Donald Marcus is Excellent. Dr. Marcus has been reviewed by 2 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0

Specialties & Research

Dr. Donald Marcus, MD is board certified in Internal Medicine and Infectious Disease.

  • He has special expertise in 3 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • HIV Infections
  • Hepatitis C

Education & Awards

Dr. Marcus graduated from Boston University . He has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. Marcus has 19 hospital affiliations:

  • Hospital of the University of PA 
  • Jeanes Hospital 

> > > > Dr. Donald Marcus, MD

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Additional Information
Dr. Donald K Marcus MD is a male Internist, has 29 years of experience and practices in Internal Medicine and Infectious Disease.
Where does Dr. Donald K. Marcus practice?
Dr. Donald Marcus has 1 office location.
Dr. Donald Marcus practices Internal Medicine and Infectious Disease near Philadelphia, PA.
See Philadelphia Internists and Philadelphia Infectious Disease Doctors.