Dr. Diane C. Tsai, MD
Dr. Diane C. Tsai, MD is a Radiation Oncology in Portland, Oregon. Qualified in 1991, 35 years ago. Practices with Portland Adventist Medical Center, a 272-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in California, Oregon and Washington.
- Years since qualifying
- 35
- Licensed in
- CA, OR, WA
- In the registry since
- 2006
- Specialties on file
- 3
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
3620 N Interstate AvePortland, OR 97227-1106
Phone: (503) 813-2000
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (3)
- 3301 Squalicum Pkwy, Bellingham, WA 98225-1919 — (360) 788-8222
- 2000 Hospital Dr, Sedro Woolley, WA 98284-4327 — (360) 856-7518
- 1900 Nw Myhre Rd, Silverdale, WA 98383-7662 — (564) 240-3100
Specialties & licences
| Radiation Oncology Physician (primary) | Taxonomy 2085R0001X · Licence MD174455 (OR) |
|---|---|
| Radiation Oncology Physician | Taxonomy 2085R0001X · Licence G86931 (CA) |
| Radiation Oncology Physician | Taxonomy 2085R0001X · Licence MD00037303 (WA) |
Record details
| NPI number | 1730266966 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | November 1, 2006 |
| Last updated in NPPES | December 9, 2025 |
| Certification date | December 9, 2025 |
Medicare enrollment
| Medicare specialty | RADIATION ONCOLOGY |
|---|---|
| Medical school | OTHER |
| Graduated | 1991 (35 years in practice) |
| Group practice | Portland Adventist Medical Center — 272 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 7 on file with Medicare |
Other providers in Portland
-
Steven Kysung Seung, MD, PHD
4805 NE Glisan St Garden Level, Portland, OR 97213-2933 · (503) 215-6029
-
Matthew Curtis Solhjem, MD
4805 NE Glisan St Garden Level, Portland, OR 97213-2933 · (503) 215-6029
-
Dr. Amar Srivastava, MD
4805 NE Glisan St Garden Level, Portland, OR 97213 · (503) 215-6029
-
Dr. Kenneth Richards Stevens Jr., MD
3181 SW Sam Jackson Park Rd KPV4 Radiation Medicine, Portland, OR 97239-3098 · (503) 494-8756
-
Fredrick Charles Wagner, MD
9205 SW Barnes Rd, Portland, OR 97225-6603 · (503) 216-2195
-
Dr. Joshua M Walker, MD/PHD
3181 SW Sam Jackson Park Rd # KPV4, Portland, OR 97239 · (503) 494-8756
-
Alice Wang-Chesebro, MD
4805 NE Glisan St Garden Level, Portland, OR 97213-2933 · (503) 215-6029
-
Casey Williamson, MD
3181 SW Sam Jackson Park Rd, Portland, OR 97239-3011 · (818) 364-1555