NPPES file of Aug 9, 2026

Clayton Feldman, M.D.

Allergy & Immunology (Internal Medicine) Physician · San Jose, CA

Clayton Feldman, M.D. is an allergy & immunology (internal medicine) physician with a practice address in San Jose, California, and NPI 1548370521, issued on Aug 30, 2006. Check the license (California G7115, as entered in NPPES) on the Medical Board of California; 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
1548370521
Name
Clayton Feldman
Credential
M.D.
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License number
G7115 CA
Self-reported in NPPES; status is on the state search
Practice location
625 Lincoln Ave, San Jose, CA 95126
Phone
(408) 278-3003
Enumerated
Aug 30, 2006
Record last updated
Oct 10, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 278-3293
Medicaid ID
000G71150 CA
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 625 Lincoln Ave

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

  1. Sheetal Ankolekar, MDFamily Medicine Physician1689014755
  2. Brian Farris, M.D.Internal Medicine Physician1700850708
  3. Robert Filuk, M.D.Pulmonary Disease Physician1043317563
  4. Donald Fox, MDDiagnostic Radiology Physician1184635104
  5. Michael Gray, PAMedical Physician Assistant1659481869
  6. Anthony Lopez, M.D.Cardiovascular Disease Physician1417986019

Verify Clayton Feldman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G7115    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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Allergy & Immunology (Internal Medicine) Physician providers in California

There are 81 allergy & immunology (internal medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 81 in California → Every provider in San Jose →

Other allergy & immunology (internal medicine) physician records in California

  1. Shields Abernathy, M.D.Templeton, CA1508886235
  2. Sam Ahn, M.D.Napa, CA1558423814
  3. Fatima Ali, MDSacramento, CA1093045023
  4. Sowmya Arja, M.D.San Francisco, CA1215390166
  5. Anna Arroyo, MDStanford, CA1205102472
  6. Lawrence Awai, M.D.Clovis, CA1629510235
  7. Sally Bailey, MDSan Ramon, CA1700815677
  8. Tyler Basen, M.D.Mission Viejo, CA1184069692
  9. Sheila Bonilla-Tandoc, MD, MSLos Angeles, CA1457387805
  10. Geoffrey Carlson, MDTravis Afb, CA1174865588

Common questions

What is Clayton Feldman, M.D.'s NPI number?

Clayton Feldman, M.D.'s National Provider Identifier (NPI) is 1548370521, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Clayton Feldman, M.D. located?

The NPPES record lists a practice address at 625 Lincoln Ave, San Jose, CA, 95126. Phone: (408) 278-3003. Providers update this record themselves, so call before visiting.

How can I verify Clayton Feldman, M.D.'s license?

NPPES lists California license number G7115, 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.

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.