William Chapman Holliday, M.D.
Psychiatry Physician · Bellevue, WA
William Chapman Holliday, M.D. is a psychiatry physician with a practice address in Bellevue, Washington, and NPI 1174635445, issued on Aug 31, 2006. Check the license (Washington MD00014845, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William Chapman Holliday
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD00014845 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2300 130TH Ave NE, Bellevue, WA 98005
- Phone
- (425) 869-1110
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (425) 869-9578
- Entity
- Type 1 · individual
Also registered at 2300 130TH Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Chapman Holliday in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00014845Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average psychiatry physician in 2024
101 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam13 claims
- Bupropion Hcl Sr12 claims
- Zolpidem Tartrate12 claims
- Alprazolam11 claims
- Dextroamphetamine-Amphet Er11 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.
Psychiatry Physician providers in Washington
There are 1,195 psychiatry physician records in Washington.
Other psychiatry physician records in Washington
- Sharon Abegg, M.D.Olympia, WA1437291143
- Stanley Abramski, MDBellevue, WA1245255181
- William Adams, MDKirkland, WA1376550103
- Richard Adamson, M.D.Seattle, WA1215071618
- Richard Adler, M.D.Seattle, WA1942425665
- Saeed Aflatooni, M.D.Bremerton, WA1235224106
- Santosh Agnani, MDBellevue, WA1134178882
- Christina Agustin, MDBellevue, WA1801823810
- Alexa Albert, MDSeattle, WA1689684193
- Coralyn Alexander, MD, PASpokane, WA1194713487
Common questions
What is William Chapman Holliday, M.D.'s NPI number?
William Chapman Holliday, M.D.'s National Provider Identifier (NPI) is 1174635445, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Chapman Holliday, M.D. located?
The NPPES record lists a practice address at 2300 130TH Ave NE, Bellevue, WA, 98005. Phone: (425) 869-1110. Providers update this record themselves, so call before visiting.
How can I verify William Chapman Holliday, M.D.'s license?
NPPES lists Washington license number MD00014845, 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 Chapman Holliday, M.D. prescribe under Medicare Part D?
In 2024, William Chapman Holliday, M.D. had 101 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.