William G. Callahan, MD
Sports Medicine (Family Medicine) Physician · Federal Way, WA
William G. Callahan, MD is a sports medicine (family medicine) physician with a practice address in Federal Way, Washington, and NPI 1396858718, issued on Aug 17, 2006. Check the license (Washington MD60027229, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William G. Callahan
- Credential
- MD
- Primary taxonomy
- Sports Medicine (Family Medicine) Physician 207QS0010X
- License numbers
- MD60027229 WA
A100584 CA
Self-reported in NPPES; status is on the state search - Practice location
- 33501 1St Way S, Federal Way, WA 98003
- Phone
- (253) 874-1668
- Enumerated
- Aug 17, 2006
- Record last updated
- Sep 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080910000668); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sports medicine (family medicine) physician records → All 77 in Washington → Look up another NPI →
Also registered at 33501 1St Way S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Al Taii, MDInternal Medicine Physician1316514102
- Alexandra Alfieri, AUDAudiologist1831919174
- Midhat Aljic, PAPhysician Assistant1851638407
- Jon Almquist, MDPediatric Adolescent Medicine Physician1770512881
- Laura Anderson, DPTPhysical Therapist1265897797
- Lauren Athay, M.D.Pediatrics Physician1750550638
Verify William G. Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60027229Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024
37 Medicare Part D claims for 24 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Diclofenac Sodium21 claims
- Meloxicam11 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.
One hospital affiliation
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William G. Callahan among 77 sports medicine (family medicine) physician records in Washington
William G. Callahan, MD is one of 77 sports medicine (family medicine) physician records with a practice address in Washington. 83% 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, 70% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2004 · median 2010 among the 56 with a school on file
- Record last updated2009 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Family Medicine) Physician providers in Washington
There are 77 sports medicine (family medicine) physician records in Washington.
All 77 in Washington → Every provider in Federal Way → Sports Medicine (Family Medicine) Physician nationwide →
The 8 sports medicine (family medicine) physician records with the nearest ZIP codes
- Andrew Gomez, M.D.Bellevue, WA 980041841619418
- Lawrence Greenblatt, D.O.Bellevue, WA 980041265450514
- John Jamora, DOBellevue, WA 980041447755764
- Ted Lin, MDBellevue, WA 980041518092683
- Archana Chivukula, MDBellevue, WA 980071811445331
- Abimbolu Makinde, M.D.Bothell, WA 980111669769337
- William Gould, MDKirkland, WA 980341538278379
- Timothy Locknane, M.D.Kirkland, WA 980341639224074
Common questions
What is William G. Callahan, MD's NPI number?
William G. Callahan, MD's National Provider Identifier (NPI) is 1396858718, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William G. Callahan, MD located?
The NPPES record lists a practice address at 33501 1St Way S, Federal Way, WA, 98003. Phone: (253) 874-1668. Providers update this record themselves, so call before visiting.
How can I verify William G. Callahan, MD's license?
NPPES lists Washington license number MD60027229, 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 G. Callahan, MD prescribe under Medicare Part D?
In 2024, William G. Callahan, MD had 37 Medicare Part D claims for 24 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. 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.