Charles P. Buck, MD
Emergency Medicine Physician · Federal Way, WA
Charles P. Buck, MD is an emergency medicine physician with a practice address in Federal Way, Washington, and NPI 1831152826, issued on Apr 10, 2006. Check the license (Washington MD00039232, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Charles P. Buck
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD00039232 WA
Self-reported in NPPES; status is on the state search - Practice location
- 34515 9TH Ave S, Federal Way, WA 98003
- Phone
- (253) 952-7971
- Enumerated
- Apr 10, 2006
- Record last updated
- May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (253) 944-7922
- Medicare enrollment
- Enrolled (PECOS I20080612000056); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 34515 9TH Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karlis AbulsPharmacist1609734565
- Fizzah Ali, M.D.Hospitalist Physician1265524961
- Sreekanth Ambati, MDHospitalist Physician1750592887
- Berhane Asfaw, MDHospitalist Physician1760593057
- Ann Asmussen, DOAnesthesiology Physician1932718079
- Jonathan BarnierAnesthesiology Physician1407233174
Verify Charles P. Buck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00039232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average emergency medicine physician in 2024
213 Medicare Part D claims for 128 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 30 claims were for opioids.
Most prescribed
- Prednisone25 claims
- Amoxicillin-Clavulanate Potass16 claims
- Azithromycin14 claims
- Hydrocodone-Acetaminophen14 claims
- Cephalexin11 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles P. Buck among 1,459 emergency medicine physician records in Washington
Charles P. Buck, MD is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 55% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2010 among the 851 with a school on file
- Record last updated2021 · 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 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Washington
There are 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Federal Way → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jeremy BermanFederal Way, WA 980031548436751
- Richard Bethke, MDFederal Way, WA 980031023058203
- Jeffrey Cortazzo, MDFederal Way, WA 980031912948381
- Melody Denson, DOFederal Way, WA 980031619924206
- Patrick Garvin, MDFederal Way, WA 980031942246251
- Erik Gerdes, MDFederal Way, WA 980031346281045
- David Gibson, MDFederal Way, WA 980031659317964
- Fredric Lo, MDFederal Way, WA 980031003852872
Common questions
What is Charles P. Buck, MD's NPI number?
Charles P. Buck, MD's National Provider Identifier (NPI) is 1831152826, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles P. Buck, MD located?
The NPPES record lists a practice address at 34515 9TH Ave S, Federal Way, WA, 98003. Phone: (253) 952-7971. Providers update this record themselves, so call before visiting.
How can I verify Charles P. Buck, MD's license?
NPPES lists Washington license number MD00039232, 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 Charles P. Buck, MD prescribe under Medicare Part D?
In 2024, Charles P. Buck, MD had 213 Medicare Part D claims for 128 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.