NPPES file of Aug 9, 2026

John Nachazel, M.D.

Anatomic Pathology & Clinical Pathology Physician · Los Angeles, CA

John Nachazel, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Los Angeles, California, and NPI 1821075367, issued on Dec 27, 2005. Check the license (California G10944, 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
1821075367
Name
John Nachazel
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
G10944 CA
Self-reported in NPPES; status is on the state search
Practice location
1401 S Grand Ave, Los Angeles, CA 90015
Phone
(213) 742-5793
Enumerated
Dec 27, 2005
Record last updated
Jun 3, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(213) 742-6373
Medicaid ID
00G109440 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 anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →

Also registered at 1401 S Grand Ave

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

  1. Lisa Abbou, MDInternal Medicine Physician1700456407
  2. Amos Acoff, M.D.Internal Medicine Physician1386687051
  3. Cristina Acosta-Padron, M.D.Emergency Medicine Physician1902122260
  4. Osman Adam, MDStudent in an Organized Health Care Education/Training Program1588302921
  5. Sahra AkbariStudent in an Organized Health Care Education/Training Program1255175386
  6. Susanne Alcudia, M.D.Student in an Organized Health Care Education/Training Program1700291739

Verify John Nachazel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G10944    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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John Nachazel among 1,554 anatomic pathology & clinical pathology physician records in California

John Nachazel, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2014 · 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 Los Angeles → Anatomic Pathology & Clinical Pathology Physician nationwide →

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

  1. Jian-Hua Qiao, M.D.Los Angeles, CA 900151073539854
  2. Shing-Jia Sha, M.D.Los Angeles, CA 900151235117656
  3. Saloomeh Vahdat, M.D.Los Angeles, CA 900151821314246
  4. Keith England, M.D.Los Angeles, CA 900171033162771
  5. James Harris, M.D.Los Angeles, CA 900171972598472
  6. Kristopher Kersch, M.D.Los Angeles, CA 900171558700922
  7. Boris Skyar, M.D.Los Angeles, CA 900171588724389
  8. Moises Zepeda, M.D.Los Angeles, CA 900221790779312

Common questions

What is John Nachazel, M.D.'s NPI number?

John Nachazel, M.D.'s National Provider Identifier (NPI) is 1821075367, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Nachazel, M.D. located?

The NPPES record lists a practice address at 1401 S Grand Ave, Los Angeles, CA, 90015. Phone: (213) 742-5793. Providers update this record themselves, so call before visiting.

How can I verify John Nachazel, M.D.'s license?

NPPES lists California license number G10944, 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.