Gregory S Willis, MD
Gregory S Willis, MD is a Radiation Oncology in Tualatin, Oregon. Graduated from Oregon Health Sciences University School of Medicine in 1999, 27 years ago. Practices with Otero County Hospital Association, a 241-clinician group and accepts Medicare assignment. Licensed in New Mexico and Oregon.
- Years since qualifying
- 27
- Trained at
- Oregon Health Sciences University School of Medicine
- Licensed in
- NM, OR
- In the registry since
- 2005
- 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
6489 SW Borland RdTualatin, OR 97062-9798
Phone: (503) 692-4843
Fax: (503) 692-6543
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Radiation Oncology Physician (primary) | Taxonomy 2085R0001X · Licence MD28019 (OR) |
|---|---|
| Radiation Oncology Physician | Taxonomy 2085R0001X · Licence MD2016-0015 (NM) |
| Radiation Therapy Radiologic Technologist | Taxonomy 2471R0002X · Licence MD28019 (OR) |
Record details
| NPI number | 1417941600 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | September 2, 2005 |
| Last updated in NPPES | July 31, 2025 |
| Certification date | July 31, 2025 |
| Mailing address | 6489 Sw Borland Rd, Tualatin, OR 97062-9798 |
Medicare enrollment
| Medicare specialty | RADIATION ONCOLOGY |
|---|---|
| Medical school | OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE |
| Graduated | 1999 (27 years in practice) |
| Group practice | Otero County Hospital Association — 241 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Other providers in Tualatin
-
Meridian Park Oncology LLC
6489 SW Borland Rd, Tualatin, OR 97062-9798 · (503) 692-4843