William D. Ferguson, M.D.
Psychiatry Physician · Seattle, WA
William D. Ferguson, M.D. is a psychiatry physician with a practice address in Seattle, Washington, and NPI 1629133608, issued on Dec 27, 2006. Check the license (Washington MD00012768, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William D. Ferguson
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD00012768 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2600 SW Holden St, Seattle, WA 98126
- Phone
- (206) 933-7214
- Enumerated
- Dec 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (206) 933-7005
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,195 in Washington → Look up another NPI →
Also registered at 2600 SW Holden St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth AbebefeClinical Social Worker1376926899
- Tadilo AbitowCounselor1043801608
- Gail Acob, BSNCounselor1780213769
- Austin Adams, RNPsychiatric/Mental Health Registered Nurse1861253411
- Marianne Aguirre ColonPsychiatric/Mental Health Registered Nurse1922736115
- Zahra AlwaeliMental Health Counselor1528932803
Verify William D. Ferguson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00012768Check 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 D. Ferguson among 1,195 psychiatry physician records in Washington
William D. Ferguson, M.D. is one of 1,195 psychiatry physician records with a practice address in Washington. 61% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileNo · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
485 psychiatry physician records list a practice address in Seattle
They are 485 of the 41,956 NPPES records with a practice address in Seattle, and 1,195 psychiatry physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,195 in Washington → Every provider in Seattle → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jacqueline Ball, M.D.Seattle, WA 981261730285305
- Eugenie Eschbach, M.D.Seattle, WA 981261881756971
- David Flynn, M.D.Seattle, WA 981261528119674
- Barry Grosskopf, M.D.Seattle, WA 981261437219409
- Steven Haney, M.D.Seattle, WA 981261376605451
- Jeffrey Korcz, MDSeattle, WA 981261770643744
- Peter Reiss, M.D.Seattle, WA 981261669855409
- James Ruvalcaba, MDSeattle, WA 981261518340728
Common questions
What is William D. Ferguson, M.D.'s NPI number?
William D. Ferguson, M.D.'s National Provider Identifier (NPI) is 1629133608, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William D. Ferguson, M.D. located?
The NPPES record lists a practice address at 2600 SW Holden St, Seattle, WA, 98126. Phone: (206) 933-7214. Providers update this record themselves, so call before visiting.
How can I verify William D. Ferguson, M.D.'s license?
NPPES lists Washington license number MD00012768, 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.
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.