William Boyce Davis, M.D.
Family Medicine Physician · Winters, CA
William Boyce Davis, M.D. is a family medicine physician with a practice address in Winters, California, and NPI 1336145689, issued on Jun 22, 2005. Check the license (California G54959, 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 Boyce Davis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G54959 CA
Self-reported in NPPES; status is on the state search - Practice location
- 107 Main St, Winters, CA 95694
- Phone
- (530) 795-1110
- Enumerated
- Jun 22, 2005
- Record last updated
- Mar 7, 2023
- Fax
- (530) 795-1115
- Medicaid ID
- 00G549590 CA
- Entity
- Type 1 · individual
Verify William Boyce Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5 family medicine physician records list a practice address in Winters
They are 5 of the 59 NPPES records with a practice address in Winters, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5 in Winters → All 17,133 in California → Every provider in Winters →
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- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is William Boyce Davis, M.D.'s NPI number?
William Boyce Davis, M.D.'s National Provider Identifier (NPI) is 1336145689, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Boyce Davis, M.D. located?
The NPPES record lists a practice address at 107 Main St, Winters, CA, 95694. Phone: (530) 795-1110. Providers update this record themselves, so call before visiting.
How can I verify William Boyce Davis, M.D.'s license?
NPPES lists California license number G54959, 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.