Gary C. Clark, M.D.
Surgery Physician · San Diego, CA
Gary C. Clark, M.D. is a surgery physician with a practice address in San Diego, California, and NPI 1518042274, issued on Oct 25, 2006. Check the license (California G50138, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gary C. Clark
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- G50138 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7901 Frost St, San Diego, CA 92123
- Phone
- (858) 939-3525
- Enumerated
- Oct 25, 2006
- Record last updated
- Oct 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 00G501380 CA
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 7901 Frost St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mustafa Alwash, M.DHospitalist Physician1679936439
- Alexandra Anjier, MDEmergency Medicine Physician1467087510
- Anna Astashchanka, MDPulmonary Disease Physician1821594359
- Amir Bahreman, M.D.Internal Medicine Physician1124249388
Verify Gary C. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G50138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average surgery physician in 2024
18 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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 C. Clark among 3,118 surgery physician records in California
Gary C. Clark, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2012 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in San Diego → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Gary Bench, M.D.San Diego, CA 921231225007974
- Christina Casteel, MDSan Diego, CA 921231740396167
- John Frey, M.D.San Diego, CA 921231396751285
- Allan Gamagami, M.D.San Diego, CA 921231053329193
- David Greenblatt, M.D.San Diego, CA 921231912955576
- Jeffrey Halldorson, M.D.San Diego, CA 921231558446351
- Marquis Hart, M.D.San Diego, CA 921231356401442
- Gregory Imler, M.D.San Diego, CA 921231275543605
Common questions
What is Gary C. Clark, M.D.'s NPI number?
Gary C. Clark, M.D.'s National Provider Identifier (NPI) is 1518042274, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary C. Clark, M.D. located?
The NPPES record lists a practice address at 7901 Frost St, San Diego, CA, 92123. Phone: (858) 939-3525. Providers update this record themselves, so call before visiting.
How can I verify Gary C. Clark, M.D.'s license?
NPPES lists California license number G50138, 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 C. Clark, M.D. prescribe under Medicare Part D?
In 2024, Gary C. Clark, M.D. had 18 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.