NPPES file of Aug 9, 2026

Wilbur Gordon Walker, M.D.

Psychiatry Physician · San Jose, CA

Wilbur Gordon Walker, M.D. is a psychiatry physician with a practice address in San Jose, California, and NPI 1548472491, issued on May 4, 2007. Check the license (California C41874, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548472491
Name
Wilbur Gordon Walker
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
C41874 CA
AW322549 CA
Self-reported in NPPES; status is on the state search
Practice location
2505 Samaritan Drive, San Jose, CA 95124
Phone
(408) 358-3663
Enumerated
May 4, 2007
Record last updated
Jul 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(408) 356-3939
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 2505 Samaritan Drive

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

  1. John Condie, M.D.Trauma Surgery Physician1639219553
  2. Claire Del Signore, M.D.Pediatrics Physician1427154541
  3. Michael Kushlan, M.D.Gastroenterology Physician1538273073
  4. Jerry Mercado, M.D.Pediatrics Physician1023296548
  5. Abe Piramoon, MDPediatric Surgery Physician1750304101
  6. Latha Vrittamani, M.D.Pediatrics Physician1033245584

Verify Wilbur Gordon Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C41874    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
Open the California license search

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30% fewer Medicare Part D claims than the average psychiatry physician in 2024

697 Medicare Part D claims for 47 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Wilbur Walker697
  2. Specialty average1,000

Most prescribed

  1. Clonazepam71 claims
  2. Lorazepam58 claims
  3. Alprazolam53 claims
  4. Sertraline Hcl38 claims
  5. Ziprasidone Hcl35 claims
  6. Venlafaxine Hcl Er29 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 California

There are 8,673 psychiatry physician records in California.

All 8,673 in California → Every provider in San Jose →

Other psychiatry physician records in California

  1. Nancy Aaen, MDNapa, CA1609816669
  2. Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
  3. Mekabiz Abaian, MDSan Bernardino, CA1891090163
  4. Brenda Abarca, MDTorrance, CA1407485527
  5. Pilar Abascal, M.D.Los Angeles, CA1730528191
  6. Michele Abbasi, M.D.Westlake Village, CA1093940330
  7. Zohaib AbbasiMartinez, CA1013392224
  8. Sandy Abdelkedous, MDFresno, CA1306093109
  9. Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
  10. Ezzat Abdelmalek, M.DDana Point, CA1992828826

Common questions

What is Wilbur Gordon Walker, M.D.'s NPI number?

Wilbur Gordon Walker, M.D.'s National Provider Identifier (NPI) is 1548472491, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wilbur Gordon Walker, M.D. located?

The NPPES record lists a practice address at 2505 Samaritan Drive, San Jose, CA, 95124. Phone: (408) 358-3663. Providers update this record themselves, so call before visiting.

How can I verify Wilbur Gordon Walker, M.D.'s license?

NPPES lists California license number C41874, 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.

How much does Wilbur Gordon Walker, M.D. prescribe under Medicare Part D?

In 2024, Wilbur Gordon Walker, M.D. had 697 Medicare Part D claims for 47 beneficiaries; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.