William Byrne Cogar, DO
Emergency Medicine Physician · Bremerton, WA
William Byrne Cogar, DO is an emergency medicine physician with a practice address in Bremerton, Washington, and NPI 1013083245, issued on Nov 28, 2006. Check the license on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Byrne Cogar
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 34005049 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boone RD, Bremerton, WA 98312
- Phone
- (360) 475-4000
- Enumerated
- Nov 28, 2006
- Record last updated
- Jul 25, 2023
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 1 Boone RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Abels, D.O.Family Medicine Physician1134323827
- Reginald Adkisson, PHDClinical Psychologist1063632834
- Kevin AguirreOther Specialist/Technologist1487487898
- Elaine Anderson, CNMAdvanced Practice Midwife1629226402
- Eric Anderson, M.D.Anesthesiology Physician1629041223
- Erik AndersonAerospace Medicine Physician1033524574
Verify William Byrne Cogar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Byrne Cogar among 1,459 emergency medicine physician records in Washington
William Byrne Cogar, DO 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 not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 55% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2023 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,459 in Washington → Every provider in Bremerton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Randy Baldwin, MDBremerton, WA 983121093789471
- John Deordio, M.D.Bremerton, WA 983121942276142
- Paul Dutky, MDBremerton, WA 983121134188253
- Scott Ekin, MDBremerton, WA 983121700817871
- Elizabeth Gray, M.D.Bremerton, WA 983121316918410
- Henry Hauser, MDBremerton, WA 983121952988073
- Phillip Hunt, MDBremerton, WA 983121437155587
- Ken Koyanagawa, DOBremerton, WA 983121225603053
Common questions
What is William Byrne Cogar, DO's NPI number?
William Byrne Cogar, DO's National Provider Identifier (NPI) is 1013083245, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Byrne Cogar, DO located?
The NPPES record lists a practice address at 1 Boone RD, Bremerton, WA, 98312. Phone: (360) 475-4000. Providers update this record themselves, so call before visiting.
How can I verify William Byrne Cogar, DO's license?
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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.