Gary Belzberg, MD
Surgery Physician · Harbor City, CA
Gary Belzberg, MD is a surgery physician with a practice address in Harbor City, California, and NPI 1023166071, issued on Jan 8, 2007. Check the license (California G59319, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gary Belzberg
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- G59319 CA
2018-01277 NC
Self-reported in NPPES; status is on the state search - Practice location
- 25825 Vermont Ave, Harbor City, CA 90710
- Phone
- (310) 325-5111
- Enumerated
- Jan 8, 2007
- Record last updated
- Oct 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181115001640); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 25825 Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary Belzberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G59319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average surgery physician in 2024
175 Medicare Part D claims for 95 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 64 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen56 claims
- Gavilyte-G25 claims
- Levothyroxine Sodium14 claims
- Peg-3350 And Electrolytes11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.13
1 payment: food and beverage; the largest payer was Intra-Sana Laboratories. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Onslow Ambulatory Services IncJacksonville, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Belzberg among 3,118 surgery physician records in California
Gary Belzberg, MD 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1984 · median 2003 among the 1,901 with a school on file
- Record last updated2018 · 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).
8 surgery physician records list a practice address in Harbor City
They are 8 of the 958 NPPES records with a practice address in Harbor City, and 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Harbor City → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Chuong Do, MDHarbor City, CA 907101598832339
- Ciprian-Razvan Marchis, MDHarbor City, CA 907101144345646
- Kelly Meek, MDHarbor City, CA 907101588731483
- David Rosing, MDHarbor City, CA 907101205037181
- Marianne Ryan, MDHarbor City, CA 907101336216183
- Gerald Wilmoth, MDHarbor City, CA 907101326115213
- Robert Zane, MDHarbor City, CA 907101285782193
- Shyam Dahiya, M.D.Lakewood, CA 907121720011356
Common questions
What is Gary Belzberg, MD's NPI number?
Gary Belzberg, MD's National Provider Identifier (NPI) is 1023166071, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary Belzberg, MD located?
The NPPES record lists a practice address at 25825 Vermont Ave, Harbor City, CA, 90710. Phone: (310) 325-5111. Providers update this record themselves, so call before visiting.
How can I verify Gary Belzberg, MD's license?
NPPES lists California license number G59319, 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 Belzberg, MD prescribe under Medicare Part D?
In 2024, Gary Belzberg, MD had 175 Medicare Part D claims for 95 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Gary Belzberg, MD's MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.