NPPES file of Aug 9, 2026

Gregory T. Ginsburg, M.D.

Surgery Physician · Torrance, CA

Gregory T. Ginsburg, M.D. is a surgery physician with a practice address in Torrance, California, and NPI 1124021654, issued on May 30, 2005. Check the license (California G74789, 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
1124021654
Name
Gregory T. Ginsburg
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
G74789 CA
Self-reported in NPPES; status is on the state search
Practice location
3531 Fashion Way Ste 3, Torrance, CA 90503
Phone
(310) 372-4500
Enumerated
May 30, 2005
Record last updated
Jan 26, 2023
Fax
(310) 372-4505
Medicaid ID
00G747892 CA
Medicare enrollment
Enrolled (PECOS I20041108000458); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1991
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 Gregory T. Ginsburg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G74789
    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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91% fewer Medicare Part D claims than the average surgery physician in 2024

13 Medicare Part D claims for 12 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.

  1. Gregory Ginsburg13
  2. Specialty average147

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.

Industry payments in 2024: $458.20

5 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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.

  1. Gregory Ginsburg$458.20
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

Other surgery physician records in California

  1. Miriam Abaunza, M.D.Los Angeles, CA1538470778
  2. Hana Abdirahman, MDTemecula, CA1265288112
  3. Sherwin Abdoli, MDPetaluma, CA1508386442
  4. Mhdshafic Abdulkarim, MDOrange, CA1750174249
  5. Sarah Abdulla, M.D.Baldwin Park, CA1699200840
  6. Shoko Abe, M.D.Berkeley, CA1609178136
  7. Stuart Abel, M.D.Los Angeles, CA1750761516
  8. Elliot Abemayor, MDLos Angeles, CA1972527414
  9. Marc Abi Karam, MD, MSPalo Alto, CA1437846508
  10. Ali Abidali, DOGlendora, CA1861888794

Common questions

What is Gregory T. Ginsburg, M.D.'s NPI number?

Gregory T. Ginsburg, M.D.'s National Provider Identifier (NPI) is 1124021654, issued on May 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory T. Ginsburg, M.D. located?

The NPPES record lists a practice address at 3531 Fashion Way Ste 3, Torrance, CA, 90503. Phone: (310) 372-4500. Providers update this record themselves, so call before visiting.

How can I verify Gregory T. Ginsburg, M.D.'s license?

NPPES lists California license number G74789, 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 Gregory T. Ginsburg, M.D. prescribe under Medicare Part D?

In 2024, Gregory T. Ginsburg, M.D. had 13 Medicare Part D claims for 12 beneficiaries; 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.