William Thomas Poirier, MD
General Practice Physician · Sacramento, CA
William Thomas Poirier, MD is a general practice physician with a practice address in Sacramento, California, and NPI 1952328478, issued on Jul 17, 2006. Check the license (California G73756, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Thomas Poirier
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- G73756 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Sacramento Inn Way, Sacramento, CA 95815
- Phone
- (916) 564-5515
- Enumerated
- Jul 17, 2006
- Record last updated
- Nov 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (916) 564-5553
- Entity
- Type 1 · individual
Also registered at 1600 Sacramento Inn Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Thomas Poirier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
General Practice Physician providers in California
There are 1,956 general practice physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is William Thomas Poirier, MD's NPI number?
William Thomas Poirier, MD's National Provider Identifier (NPI) is 1952328478, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Thomas Poirier, MD located?
The NPPES record lists a practice address at 1600 Sacramento Inn Way, Sacramento, CA, 95815. Phone: (916) 564-5515. Providers update this record themselves, so call before visiting.
How can I verify William Thomas Poirier, MD's license?
NPPES lists California license number G73756, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. 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.