Dr. Willis is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Connect with other colleagues in the same hospital or clinic
- Search all U.S. specialist profiles and refer a patient
- Read the latest clinical news and earn CME/CEU credits
Office
3600 N Interstate Ave
Portland, OR 97227Phone+1 503-331-6436- Is this information wrong?
Education & Training
Oregon Health & Science University (OHSU Health)Fellowship, Gastroenterology, 1988 - 1990- Oregon Health & Science University (OHSU Health)Residency, Internal Medicine, 1985 - 1988
University of Illinois College of MedicineClass of 1985
Certifications & Licensure
WA State Medical License 1989 - 2026
AK State Medical License 2023 - 2024
OR State Medical License 1986 - 2024- American Board of Internal Medicine Internal Medicine
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
