Search › Washington › 2085R0001X
Peter Sien, MD
NPI 1053399568 · on the registry since 2006
Practice
- Address
- 7379 W Deschutes Ave Ste 100
Kennewick, WA 99336 - Phone
- (509) 987-1800
- Fax
- (509) 987-1808
- Organisation at this address
- Northwest Cancer Clinic, Llc
Northwest Cancer Care Associates PcInferred from a shared address, not stated in the registry. - Clinicians at this address
- 2
Additional practice sites
- 625 N 6th St, Phoenix, AZ
- 844 N 5th Ave, Sequim, WA
- 1316 Nelson Ave, Modesto, CA
Registry record
- Primary taxonomy
- 2085R0001X
2085R0001X
- Also registered as
- 2085R0001X
2085R0001X - Licence states on file
- WA, AZ, CA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-01-05
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Washington