NPPES file of Aug 9, 2026

Garrett David Herzon, M.D.

Otolaryngology Physician · Los Angeles, CA

Garrett David Herzon, M.D. is an otolaryngology physician with a practice address in Los Angeles, California, and NPI 1043235120, issued on Jul 12, 2006. Check the license (California G 83599, 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
1043235120
Name
Garrett David Herzon
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
G 83599 CA
Self-reported in NPPES; status is on the state search
Practice location
8631 W 3RD St, Los Angeles, CA 90048
Phone
(310) 854-1800
Enumerated
Jul 12, 2006
Record last updated
Mar 7, 2023
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 otolaryngology physician records → All 1,212 in California → Look up another NPI →

Also registered at 8631 W 3RD St

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

  1. Kenneth Adashek, M.D.Surgery Physician1821008798
  2. David Anderson, M.D.Family Medicine Physician1134154412
  3. Parvaneh Bahmani, M.D.Nephrology Physician1609887678
  4. Paula Bailey-Walton, M.D.Internal Medicine Physician1174646590
  5. Maxine Baum, M.D.Allergy Physician1568689594
  6. Mavis Billips, M.D.Specialist1902905664

Verify Garrett David Herzon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G 83599    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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Garrett David Herzon among 1,212 otolaryngology physician records in California

Garrett David Herzon, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% 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, 52% newer
  • In a Medicare fileNo · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2023 · 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 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in California

There are 1,212 otolaryngology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,212 in California → Every provider in Los Angeles → Otolaryngology Physician nationwide →

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Anca Barbu, MDLos Angeles, CA 900481255524609
  2. Steven Burres, M.D. INCLos Angeles, CA 900481891853214
  3. Edward Cho, M.D.Los Angeles, CA 900481457521544
  4. Ankona Ghosh, MDLos Angeles, CA 900481427341577
  5. Allen Ho, M.D.Los Angeles, CA 900481386829604
  6. Martin Hopp, MD PHDLos Angeles, CA 900481336284561
  7. Kenneth Leeds, M.D.Los Angeles, CA 900481871629790
  8. Gene Liu, M.D.Los Angeles, CA 900481972517167

Common questions

What is Garrett David Herzon, M.D.'s NPI number?

Garrett David Herzon, M.D.'s National Provider Identifier (NPI) is 1043235120, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Garrett David Herzon, M.D. located?

The NPPES record lists a practice address at 8631 W 3RD St, Los Angeles, CA, 90048. Phone: (310) 854-1800. Providers update this record themselves, so call before visiting.

How can I verify Garrett David Herzon, M.D.'s license?

NPPES lists California license number G 83599, 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.