NPPES file of Aug 9, 2026

Stephen L. Nishimura, MD

Anatomic Pathology & Clinical Pathology Physician · San Francisco, CA

Stephen L. Nishimura, MD is an anatomic pathology & clinical pathology physician with a practice address in San Francisco, California, and NPI 1457307688, issued on May 26, 2006. Check the license (California G68337, 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
1457307688
Name
Stephen L. Nishimura
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
G68337 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 353-1633
Enumerated
May 26, 2006
Record last updated
Jun 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(415) 353-1200
Medicaid ID
00G683370 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 505 Parnassus Ave

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

  1. Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
  2. Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
  3. Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
  4. Abul Abbas, MBBSAnatomic Pathology Physician1881652964
  5. Jesse Abelson, MDInternal Medicine Physician1083843817
  6. Rhonald AbitonaAcute Care Nurse Practitioner1164993473

Verify Stephen L. Nishimura in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G68337
    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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Stephen L. Nishimura among 1,554 anatomic pathology & clinical pathology physician records in California

Stephen L. Nishimura, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% 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, 57% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2008 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Frederick Baehner, MDSan Francisco, CA 941431326091208
  2. Alexander Borowsky, M.D.San Francisco, CA 941431891777512
  3. Katharine BradySan Francisco, CA 941431265476196
  4. Yunn-Yi Chen, MDSan Francisco, CA 941431841245966
  5. Mamatha Chivukula, MDSan Francisco, CA 941431750353280
  6. Linda Ferrell, MDSan Francisco, CA 941431730137126
  7. Sanjay Kakar, MDSan Francisco, CA 941431235187634
  8. Marta Margeta, MDSan Francisco, CA 941431477510626

Common questions

What is Stephen L. Nishimura, MD's NPI number?

Stephen L. Nishimura, MD's National Provider Identifier (NPI) is 1457307688, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen L. Nishimura, MD located?

The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-1633. Providers update this record themselves, so call before visiting.

How can I verify Stephen L. Nishimura, MD's license?

NPPES lists California license number G68337, 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.