NPPES file of Aug 9, 2026

Gary K. Zerlin, MD

Otolaryngology Physician · Bakersfield, CA

Gary K. Zerlin, MD is an otolaryngology physician with a practice address in Bakersfield, California, and NPI 1801873765, issued on Dec 30, 2005. Check the license (California G35992, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801873765
Name
Gary K. Zerlin
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
G35992 CA
Self-reported in NPPES; status is on the state search
Practice location
2103 18TH St, Bakersfield, CA 93301
Phone
(661) 327-3448
Enumerated
Dec 30, 2005
Record last updated
Jul 13, 2026
Fax
(661) 327-4549
Medicare enrollment
Enrolled (PECOS I20111128000195); may accept Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1976
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gary K. Zerlin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G35992
    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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82% fewer Medicare Part D claims than the average otolaryngology physician in 2024

97 Medicare Part D claims for 37 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Gary Zerlin97
  2. Specialty average541

Most prescribed

  1. Ciprofloxacin-Dexamethasone12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Gary K. Zerlin among 1,212 otolaryngology physician records in California

Gary K. Zerlin, MD 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. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1976 · median 2004 among the 818 with a school on file
  • 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 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.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Ali Aghamohammadi, MDBakersfield, CA 933011033183157
  2. Satya Arya, MDBakersfield, CA 933011932262144
  3. Victor Kitt, MDBakersfield, CA 933011912008442
  4. Cynthia Rabinov, M.D.Bakersfield, CA 933011891728739
  5. Richard Busch, MDBakersfield, CA 933061245265560
  6. Edmund Fisher, M.D.Bakersfield, CA 933091700846946
  7. Tung Trang, M.D.Bakersfield, CA 933091548325855
  8. Thomas Akin, M.D.Visalia, CA 932911730451121

Common questions

What is Gary K. Zerlin, MD's NPI number?

Gary K. Zerlin, MD's National Provider Identifier (NPI) is 1801873765, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gary K. Zerlin, MD located?

The NPPES record lists a practice address at 2103 18TH St, Bakersfield, CA, 93301. Phone: (661) 327-3448. Providers update this record themselves, so call before visiting.

How can I verify Gary K. Zerlin, MD's license?

NPPES lists California license number G35992, 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.

How much does Gary K. Zerlin, MD prescribe under Medicare Part D?

In 2024, Gary K. Zerlin, MD had 97 Medicare Part D claims for 37 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.