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Gastroenterologist (digestive)
21 years of experience
Accepting new patients
Video profile
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).

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Atif Zaman is Good. Dr. Zaman has been reviewed by 5 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.3
Promptness 3.7
Courteous Staff 4.1
Accurate Diagnosis 3.7
Bedside Manner 2.8
Spends Time with Me 3.2
Follows Up After Visit 3.0

Specialties & Research

Dr. Atif Zaman, MD, MPH is board certified in Gastroenterology.

  • He has special expertise in 8 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis B
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Liver Cancer
  • Portal Hypertension
  • Ulcerative Colitis

Education & Awards

Dr. Zaman graduated from Tufts University, Boston. He has 1 awards.

Castle Connolly America's Top Doctors® (2009, 2011 - 2015)


Dr. Zaman has 4 hospital affiliations:

  • Oregon Health & Science University Hospitals And Clinics 
  • OHSU Hospital 


  • English

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Additional Information
Dr. Atif Zaman MD and MPH is a male Internist, has 21 years of experience and practices in Gastroenterology.
Where does Dr. Atif Zaman practice?
Dr. Atif Zaman has 3 office locations.
Dr. Atif Zaman practices Gastroenterology near Portland, OR.
See Portland Gastroenterologists.