NPPES file of Aug 9, 2026

James R. Saunders, M.D.

Specialist · Oakland, CA

James R. Saunders, M.D. is a specialist with a practice address in Oakland, California, and NPI 1841308269, issued on Aug 26, 2006. Check the license (California A23852, 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
1841308269
Name
James R. Saunders
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
A23852 CA
Self-reported in NPPES; status is on the state search
Practice location
424 28TH St, Oakland, CA 94609
Phone
(510) 452-4824
Enumerated
Aug 26, 2006
Record last updated
Jul 26, 2026
Fax
(510) 465-4503
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 424 28TH St

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

  1. Kevin Chen, M.D.Internal Medicine Physician1235300658
  2. Scott Peerenboom, D.O.Internal Medicine Physician1528385002
  3. Anthony Ravnik, M.D.Internal Medicine Physician1649388059
  4. Hiroshi Terashima, M.D.Internal Medicine Physician1508974924

Verify James R. Saunders 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 A23852
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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James R. Saunders among 5,749 specialist records in California

James R. Saunders, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2026 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

198 specialist records list a practice address in Oakland

They are 198 of the 18,558 NPPES records with a practice address in Oakland, and 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 specialist records with the nearest ZIP codes

  1. Lisa Bailey, M.D.Oakland, CA 946091861462251
  2. Margarita Berrios, MDOakland, CA 946091699731794
  3. Arthur D'Harlingue, MDOakland, CA 946091124084892
  4. David Durand, MDOakland, CA 946091770549875
  5. Alex Espinoza, MDOakland, CA 946091124084223
  6. Thomas Eusterbrock, MDOakland, CA 946091538125620
  7. Priscilla Joe, MDOakland, CA 946091205892304
  8. Lily Kao, MDOakland, CA 946091386600484

Common questions

What is James R. Saunders, M.D.'s NPI number?

James R. Saunders, M.D.'s National Provider Identifier (NPI) is 1841308269, issued on Aug 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James R. Saunders, M.D. located?

The NPPES record lists a practice address at 424 28TH St, Oakland, CA, 94609. Phone: (510) 452-4824. Providers update this record themselves, so call before visiting.

How can I verify James R. Saunders, M.D.'s license?

NPPES lists California license number A23852, 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.