NPPES file of Aug 9, 2026

Steven R. Friedlander, M.D.

Anesthesiology Physician · Pomona, CA

Steven R. Friedlander, M.D. is an anesthesiology physician with a practice address in Pomona, California, and NPI 1558305417, issued on Jun 15, 2006. Check the license (California A48579, 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
1558305417
Name
Steven R. Friedlander
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A48579 CA
Self-reported in NPPES; status is on the state search
Practice location
1798 N Garey Ave, Pomona, CA 91767
Phone
(909) 865-9140
Enumerated
Jun 15, 2006
Record last updated
Jul 13, 2026
Medicaid ID
00A485790 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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8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →

Also registered at 1798 N Garey Ave

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

  1. Monique AbdallaRegistered Nurse1871398297
  2. Brent Abutin, PTAPhysical Therapy Assistant1144728023
  3. Anna Adongo, M.D.Anesthesiology Physician1497011902
  4. Fran Allas, OTR/LNeurorehabilitation Occupational Therapist1467081828
  5. Yvette Ambroze, FNPFamily Nurse Practitioner1336616879
  6. Arjun Bakshi, DOEmergency Medicine Physician1659968303

Verify Steven R. Friedlander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A48579    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

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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Steven R. Friedlander among 7,571 anesthesiology physician records in California

Steven R. Friedlander, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,571 in California → Every provider in Pomona → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Alexander Chang, M.D.Pomona, CA 917671578598009
  2. Monif Chehade, M.D.Pomona, CA 917671972543759
  3. Ali Fahimi, M.D.Pomona, CA 917671245264407
  4. Benjamin Kavoossi, M.D.Pomona, CA 917671487825972
  5. Mona Limm, M.D.Pomona, CA 917671851333280
  6. Long Nguyen, M.D.Pomona, CA 917671457387235
  7. John Oakley, M.D.Pomona, CA 917671841233921
  8. Bernard Ong, M.D.Pomona, CA 917671063456952

Common questions

What is Steven R. Friedlander, M.D.'s NPI number?

Steven R. Friedlander, M.D.'s National Provider Identifier (NPI) is 1558305417, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven R. Friedlander, M.D. located?

The NPPES record lists a practice address at 1798 N Garey Ave, Pomona, CA, 91767. Phone: (909) 865-9140. Providers update this record themselves, so call before visiting.

How can I verify Steven R. Friedlander, M.D.'s license?

NPPES lists California license number A48579, 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.