Siting S. Chen, MD
Hematology & Oncology Physician · Vancouver, WA
Siting S. Chen, MD is a hematology & oncology physician with a practice address in Vancouver, Washington, and NPI 1689662587, issued on Oct 13, 2005. Check the license (Washington MD00036186, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Siting S. Chen
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD00036186 WA
Self-reported in NPPES; status is on the state search - Practice location
- 505 NE 87TH Ave Ste 320, Vancouver, WA 98664
- Phone
- (360) 514-2550
- Enumerated
- Oct 13, 2005
- Record last updated
- May 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 8450751 WA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 476 in Washington → Look up another NPI →
Also registered at 505 NE 87TH Ave Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bigler, M.DHematology (Internal Medicine) Physician1689777583
- Gary Cecchi, M.D.Hematology & Oncology Physician1861480857
- Stephen Chandler, MDMedical Oncology Physician1043437098
- Aliakbar Dadla, M.D.Hematology & Oncology Physician1134474976
- Katerina Erokhina, D.O.Medical Oncology Physician1437404571
- Teresa Lord, MDHematology & Oncology Physician1598885550
Verify Siting S. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00036186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
133 Medicare Part D claims for 54 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 13 claims were for opioids.
Most prescribed
- Anastrozole12 claims
- Tamoxifen Citrate12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Siting S. Chen among 476 hematology & oncology physician records in Washington
Siting S. Chen, MD is one of 476 hematology & oncology physician records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Washington
There are 476 hematology & oncology physician records in Washington.
All 476 in Washington → Every provider in Vancouver → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Gary Cecchi, M.D.Vancouver, WA 986641861480857
- Aliakbar Dadla, M.D.Vancouver, WA 986641134474976
- Zizhen Feng, M.D., PHDVancouver, WA 986641285096347
- Xing-Yue He, MDVancouver, WA 986641740237692
- Annie Hung, M.D.Vancouver, WA 986641730422015
- Teresa Lord, MDVancouver, WA 986641598885550
- Yadav Pandey, MDVancouver, WA 986641750811139
- Sai Shalini Pillarisetty, M.DVancouver, WA 986641205332525
Common questions
What is Siting S. Chen, MD's NPI number?
Siting S. Chen, MD's National Provider Identifier (NPI) is 1689662587, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Siting S. Chen, MD located?
The NPPES record lists a practice address at 505 NE 87TH Ave Ste 320, Vancouver, WA, 98664. Phone: (360) 514-2550. Providers update this record themselves, so call before visiting.
How can I verify Siting S. Chen, MD's license?
NPPES lists Washington license number MD00036186, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siting S. Chen, MD prescribe under Medicare Part D?
In 2024, Siting S. Chen, MD had 133 Medicare Part D claims for 54 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.