William Douglas Trotter, M.D.
Family Medicine Physician · Snohomish, WA
William Douglas Trotter, M.D. is a family medicine physician with a practice address in Snohomish, Washington, and NPI 1336163351, issued on Jul 26, 2006. Check the license (Washington MD00021635, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William Douglas Trotter
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00021635 WA
Self-reported in NPPES; status is on the state search - Practice location
- 629 Avenue D, Snohomish, WA 98290
- Phone
- (360) 568-1554
- Enumerated
- Jul 26, 2006
- Record last updated
- Feb 18, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (360) 568-1722
- Medicaid ID
- 8623704 WA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 629 Avenue D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kanchana AllanFamily Nurse Practitioner1215676853
- Jason Davis, P.A. -CPhysician Assistant1114257789
- Valerie Eckley, MDFamily Medicine Physician1811901572
- Phillip Elliott, O.D.Optometrist1427097583
- William Gerrish, M.D.Family Medicine Physician1023039153
- Michelle Hunter, PA-CMedical Physician Assistant1942224969
Verify William Douglas Trotter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00021635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
19 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
William Douglas Trotter among 5,534 family medicine physician records in Washington
William Douglas Trotter, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2011 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Snohomish
They are 22 of the 558 NPPES records with a practice address in Snohomish, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Snohomish → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gina Cadena-Forney, M.D.Snohomish, WA 982901598708786
- Valerie Eckley, MDSnohomish, WA 982901811901572
- Roland Feltner, M.D.Snohomish, WA 982901225004658
- Claire Fung, M.D., M.P.H.Snohomish, WA 982901316180656
- William Gerrish, M.D.Snohomish, WA 982901023039153
- Savanna Griffith, DOSnohomish, WA 982901740694934
- Loren Ihle, MDSnohomish, WA 982901760457923
- Steven Jacobson, MDSnohomish, WA 982901326013103
Common questions
What is William Douglas Trotter, M.D.'s NPI number?
William Douglas Trotter, M.D.'s National Provider Identifier (NPI) is 1336163351, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Douglas Trotter, M.D. located?
The NPPES record lists a practice address at 629 Avenue D, Snohomish, WA, 98290. Phone: (360) 568-1554. Providers update this record themselves, so call before visiting.
How can I verify William Douglas Trotter, M.D.'s license?
NPPES lists Washington license number MD00021635, 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 Douglas Trotter, M.D. prescribe under Medicare Part D?
In 2024, William Douglas Trotter, M.D. had 19 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.