Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Wayne Wong, MD

Individual provider Gastroenterology Physician · NPI 1275676843

Wayne Wong, MD is a Gastroenterology in Portland, Oregon. Graduated from Oregon Health Sciences University School of Medicine in 1987, 39 years ago. Practices with Mayo Clinic Health System-Southwest Minnesota Region, a 667-clinician group and accepts Medicare assignment. Licensed in Minnesota, Oregon and Washington.

Years since qualifying
39
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
MN, OR, WA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3500 N Interstate Ave
Portland, OR 97227-1196
Phone: (503) 331-6170
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD16753 (OR)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD00034986 (WA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 81010 (MN)

Record details

NPI number1275676843
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 14, 2007
Last updated in NPPESNovember 11, 2025
Certification dateNovember 11, 2025
Mailing address3500 N Interstate Ave, Portland, OR 97227-1196

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Mayo Clinic Health System-Southwest Minnesota Region — 667 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Portland