NPPES file of Aug 9, 2026

Katayoun K. Mostafaie, M.D.

General Practice Physician · Torrance, CA

Katayoun K. Mostafaie, M.D. is a general practice physician with a practice address in Torrance, California, and NPI 1023047008, issued on Jul 1, 2006. Check the license (California A55277, 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
1023047008
Name
Katayoun K. Mostafaie
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
A55277 CA
Self-reported in NPPES; status is on the state search
Practice location
21840 Normandie Ave, Torrance, CA 90502
Phone
(310) 222-5101
Enumerated
Jul 1, 2006
Record last updated
Mar 15, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(310) 320-5463
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 21840 Normandie Ave

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

  1. Sudhir Anand, M.D.Pediatric Nephrology Physician1750360426
  2. Thomas Anderson, MDNeurology Physician1750304234
  3. Morris Asch, M.D.Pediatric Surgery Physician1619957784
  4. Lilly Barba, M.D.Nephrology Physician1407835978
  5. Peter Barrett, M.D.Internal Medicine Physician1568441954
  6. Barry Baylen, M.D.Pediatric Cardiology Physician1346229879

Verify Katayoun K. Mostafaie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55277
    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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General Practice Physician providers in California

There are 1,956 general practice physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice physician records in California

  1. Hessam Aazami, M.D.Canoga Park, CA1144299173
  2. Ali Abaian, M.D.Los Angeles, CA1316061674
  3. Tahira Abbasi, MDLa Jolla, CA1619062346
  4. Ryan Abbott, M.D.Los Angeles, CA1194016030
  5. Adel Abdelsayed, M.D.Huntington Park, CA1922164961
  6. Kashif Abdullah, M.D. , M.P.HSan Jose, CA1164651212
  7. Ilona Abraham, MDEncino, CA1700939576
  8. Jerry Abraham, MD, MPH, CMQLos Angeles, CA1932514874
  9. Azniv Abrahamian, M.D.North Hollywood, CA1033270293
  10. Elliot Abravanel, MDSan Marino, CA1821610114

Common questions

What is Katayoun K. Mostafaie, M.D.'s NPI number?

Katayoun K. Mostafaie, M.D.'s National Provider Identifier (NPI) is 1023047008, issued on Jul 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katayoun K. Mostafaie, M.D. located?

The NPPES record lists a practice address at 21840 Normandie Ave, Torrance, CA, 90502. Phone: (310) 222-5101. Providers update this record themselves, so call before visiting.

How can I verify Katayoun K. Mostafaie, M.D.'s license?

NPPES lists California license number A55277, 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.