Browse Health
Gastroenterologist (digestive)
31 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. Marianne Ritchie:

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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. Marianne Ritchie is Excellent. Dr. Ritchie has been reviewed by 3 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0

Specialties & Research

Dr. Marianne Ritchie, MD is board certified in Gastroenterology.

  • She has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Ritchie graduated from Thomas Jefferson University, Philadelphia.


Dr. Ritchie has 7 hospital affiliations:

  • Thomas Jefferson University Hospital 
  • Main Line Hospital Lankenau 


  • Spanish

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Additional Information
Dr. Marianne Theresa Ritchie MD is a female Internist, has 31 years of experience and practices in Gastroenterology.
Where does Dr. Marianne T. Ritchie practice?
Dr. Marianne Ritchie has 1 office location.
Dr. Marianne Ritchie practices Gastroenterology near Philadelphia, PA.
See Philadelphia Gastroenterologists.