NPPES file of Aug 9, 2026

Cyrus Daniel Oster, M.D.

Anatomic Pathology & Clinical Pathology Physician · Culver City, CA

Cyrus Daniel Oster, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Culver City, California, and NPI 1285995183, issued on Jun 6, 2012. Check the license (California A131190, 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
1285995183
Name
Cyrus Daniel Oster
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A131190 CA
Self-reported in NPPES; status is on the state search
Practice location
3828 Hughes Ave, Culver City, CA 90232
Phone
(310) 532-4200
Enumerated
Jun 6, 2012
Record last updated
Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
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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8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →

Also registered at 3828 Hughes Ave

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

  1. Stella AguAdult Psychiatric/Mental Health Registered Nurse1164605796
  2. Oluwatoyin BalogunAdult Psychiatric/Mental Health Registered Nurse1336313469
  3. Kathryn CameronAdult Psychiatric/Mental Health Registered Nurse1326226267
  4. Albert ContrerasPsychiatric/Mental Health Registered Nurse1053502039
  5. Robert DanielyanRehabilitation Practitioner1346496189
  6. Otis FreemanLicensed Vocational Nurse1518145531

Verify Cyrus Daniel Oster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A131190    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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Cyrus Daniel Oster among 1,554 anatomic pathology & clinical pathology physician records in California

Cyrus Daniel Oster, M.D. 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 2012, is newer than 73% of them.

  • NPI issued2012 · 73% of these records are older, 23% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2019 · 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.

All 1,554 in California → Every provider in Culver City → Anatomic Pathology & Clinical Pathology Physician nationwide →

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

  1. Kenneth Clark, M.D.Culver City, CA 902301093012783
  2. Heshmat Cook, M.D.Downey, CA 902411639275324
  3. Lindsay Zamis Dellamaggiora, M.D.Downey, CA 902411083863112
  4. Grace Liu, MDDowney, CA 902421053555003
  5. Allison Zemek, MDDowney, CA 902421255775698
  6. Christopher Ake, D.O.Rancho Dominguez, CA 902201619119278
  7. Stacy Arnold, M.D.Rancho Dominguez, CA 902201386086635
  8. Nicolas Gallegos, M.D.Rancho Dominguez, CA 902201205129509

Common questions

What is Cyrus Daniel Oster, M.D.'s NPI number?

Cyrus Daniel Oster, M.D.'s National Provider Identifier (NPI) is 1285995183, issued on Jun 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Cyrus Daniel Oster, M.D. located?

The NPPES record lists a practice address at 3828 Hughes Ave, Culver City, CA, 90232. Phone: (310) 532-4200. Providers update this record themselves, so call before visiting.

How can I verify Cyrus Daniel Oster, M.D.'s license?

NPPES lists California license number A131190, 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.