Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
PETER K SIEN, MD
ActivePETER K SIEN, MD is a Radiation Oncology healthcare provider located in KENNEWICK, Washington. NPI 1053399568 is currently active in the NPPES registry. Verify at CMS.
Radiation Oncology · KENNEWICK, WA
Registration Details
- NPI Number
- 1053399568
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jan 4, 2006 (20.422507301026 yrs)
- Last Updated
- Jan 5, 2026
- Licenses
-
MD60698178 (WA)18502 (AZ)G32267 (CA)
Practice Information
- Address
-
7379 W DESCHUTES AVE STE 100KENNEWICK, WA, 993367900Browse WA providers · Browse ZIP 99336
- Phone
- 5099871800
- Fax
- 5099871808
- Primary Specialty
-
Radiation Oncology
2085R0001X
- Additional Specialty
- Radiation Oncology
- Additional Specialty
- Radiation Oncology
Other Radiation Oncology Providers in KENNEWICK, WA
| Name | Credential | NPI |
|---|---|---|
| MRS. SHEILA D REGE | MD | 1003890336 |
| MR. RICHARD J GIEVER JR. | MD | 1912981135 |
| DR. SUE A MANDELL | MD | 1578668406 |
| DR. JUNO CHOE | M.D., PH.D. | 1700099439 |
| DR. SHERRY ZHAO | M.D. | 1841603479 |
| RYAN DOUGLAS KRAUS | MD | 1528509767 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.