William P. Hammond, MD
Medical Oncology Physician · Burien, WA
William P. Hammond, MD is a medical oncology physician with a practice address in Burien, Washington, and NPI 1740277219, issued on Sep 30, 2005. Check the license (Washington MD00013202, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William P. Hammond
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- MD00013202 WA
Self-reported in NPPES; status is on the state search - Practice location
- 16233 Sylvester RD SW, Burien, WA 98166
- Phone
- (206) 439-5577
- Enumerated
- Sep 30, 2005
- Record last updated
- Dec 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (253) 426-4142
- Medicaid IDs
- 1740277219 WA
1017833 WA - Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 183 in Washington → Look up another NPI →
Also registered at 16233 Sylvester RD SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew ChristiansonOncology Pharmacist1083861199
- Malia Cranmer, MD, MPHPediatrics Physician1699979468
- Janet Donovan, MDFamily Medicine Physician1497795405
- Christopher Duncan, M.D.Gastroenterology Physician1164457974
- Peter Hartwell, M.D.Gastroenterology Physician1750379004
- Edward Hartzler, MDFamily Medicine Physician1609809748
Verify William P. Hammond in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00013202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average medical oncology physician in 2024
12 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $102.37
4 payments; by number, the most common kind was food and beverage; the largest payer was Taiho Oncology, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William P. Hammond among 183 medical oncology physician records in Washington
William P. Hammond, MD is one of 183 medical oncology physician records with a practice address in Washington. 72% 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, 88% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2020 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Washington
There are 183 medical oncology physician records in Washington.
All 183 in Washington → Every provider in Burien → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Manoj Agarwal, MD, MBABurien, WA 981661700891900
- Robert Levenson, MDBurien, WA 981661326080334
- Frederick AppelbaumSeattle, WA 981951356426183
- Jeffrey Chou, MDSeattle, WA 981951699881045
- Mary DisisSeattle, WA 981951033294830
- Naomi HunderSeattle, WA 981951275618084
- David MaloneySeattle, WA 981951942385752
- Robert Montgomery, M.D.Seattle, WA 981951124138219
Common questions
What is William P. Hammond, MD's NPI number?
William P. Hammond, MD's National Provider Identifier (NPI) is 1740277219, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William P. Hammond, MD located?
The NPPES record lists a practice address at 16233 Sylvester RD SW, Burien, WA, 98166. Phone: (206) 439-5577. Providers update this record themselves, so call before visiting.
How can I verify William P. Hammond, MD's license?
NPPES lists Washington license number MD00013202, 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 William P. Hammond, MD prescribe under Medicare Part D?
In 2024, William P. Hammond, MD had 12 Medicare Part D claims; the average among medical oncology physician prescribers was 703. 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.