NPPES file of Aug 9, 2026

William James Winter, PA-C

Physician Assistant · Madera, CA

William James Winter, PA-C is a physician assistant with a practice address in Madera, California, and NPI 1588791669, issued on Feb 27, 2007. Check the license (California PA18787, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588791669
Name
William James Winter
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA18787 CA
Self-reported in NPPES; status is on the state search
Practice location
9300 Valley Childrens PL # FC06, Madera, CA 93636
Phone
(559) 353-5803
Enumerated
Feb 27, 2007
Record last updated
Jul 29, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9300 Valley Childrens PL # FC06

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kayla Barnes, M.D.Pediatric Emergency Medicine (Emergency Medicine) Physician1144617879
  2. Brent Feudale, M.D.Pediatric Emergency Medicine (Pediatrics) Physician1598025116
  3. Michael Hazboun, M.D.Pediatrics Physician1558755678
  4. James Leoni, M.D.Pediatric Emergency Medicine (Emergency Medicine) Physician1821394644

Verify William James Winter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA18787
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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41 physician assistant records list a practice address in Madera

They are 41 of the 2,011 NPPES records with a practice address in Madera, and 14,451 physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is William James Winter, PA-C's NPI number?

William James Winter, PA-C's National Provider Identifier (NPI) is 1588791669, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William James Winter, PA-C located?

The NPPES record lists a practice address at 9300 Valley Childrens PL # FC06, Madera, CA, 93636. Phone: (559) 353-5803. Providers update this record themselves, so call before visiting.

How can I verify William James Winter, PA-C's license?

NPPES lists California license number PA18787, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.