Browse Health
Internist, Rheumatologist
35 years of experience
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. Warren Ferris:

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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. Warren Ferris is Good. Dr. Ferris has been reviewed by 2 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Courteous Staff 3.7
Accurate Diagnosis 1.0
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

Dr. Warren Ferris, MD is board certified in Internal Medicine and Rheumatology.

  • He has special expertise in 4 areas:
  • Arthritis
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Rheumatic Diseases

Education & Awards

Dr. Ferris graduated from Columbia University, New York. He has 1 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Ferris has 1 hospital affiliations:

  • Montgomery General Hospital Inc 

> > > > Dr. Warren Ferris, MD

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Additional Information
Dr. Warren Orrin Ferris MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Rheumatology.
Where does Dr. Warren O. Ferris practice?
Dr. Warren Ferris has 1 office location.
Dr. Warren Ferris practices Internal Medicine and Rheumatology near Silver Spring, MD.
See Silver Spring Internists and Silver Spring Rheumatologists.