NPPES file of Aug 9, 2026

Gary Gershony, M.D.

Cardiovascular Disease Physician · San Francisco, CA

Gary Gershony, M.D. is a cardiovascular disease physician with a practice address in San Francisco, California, and NPI 1821095134, issued on Jun 30, 2005. Check the license (California G47523, 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
1821095134
Name
Gary Gershony
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
G47523 CA
Self-reported in NPPES; status is on the state search
Practice location
400 Parnassus Ave Ste 501, San Francisco, CA 94143
Phone
(415) 353-2873
Enumerated
Jun 30, 2005
Record last updated
Jul 16, 2026
Fax
(415) 353-2528
Medicare enrollment
Enrolled (PECOS I20080821000370); accepts Medicare assignment
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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Also registered at 400 Parnassus Ave Ste 501

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

  1. Jordyn Blackburn, NPAcute Care Nurse Practitioner1437941481
  2. Marko Boskovski, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1194084863
  3. David Buchholz, PA-CPhysician Assistant1992115950
  4. Sonia Garg, M.D.Advanced Heart Failure and Transplant Cardiology Physician1386873370
  5. Tamika Jackson, DNP, FNP, AG-ACNPAcute Care Nurse Practitioner1801362611
  6. Jakrin KewcharoenCardiovascular Disease Physician1972097855

Verify Gary Gershony in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G47523
    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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90% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

310 Medicare Part D claims for 41 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Gary Gershony310
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium31 claims
  2. Eliquis30 claims
  3. Spironolactone29 claims
  4. Metoprolol Succinate25 claims
  5. Lisinopril20 claims
  6. Amlodipine Besylate18 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.

Bills Medicare through one group practice

  1. The West Oakland Health CouncilOakland, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gary Gershony among 2,574 cardiovascular disease physician records in California

Gary Gershony, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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, 90% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1979 · median 1999 among the 1,742 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 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Theodore Abraham, M.D.San Francisco, CA 941431467427096
  2. Maria Abraham, M.D.San Francisco, CA 941431669436960
  3. Phoebe Ashley, M.D.San Francisco, CA 941431740288901
  4. Michael Blum, MDSan Francisco, CA 941431972568889
  5. Elias Botvinick, MDSan Francisco, CA 941431760440465
  6. Tony Chou, M.D.San Francisco, CA 941431457389009
  7. Michael Crawford, MDSan Francisco, CA 941431780632190
  8. Elyse Foster, MDSan Francisco, CA 941431760431837

Common questions

What is Gary Gershony, M.D.'s NPI number?

Gary Gershony, M.D.'s National Provider Identifier (NPI) is 1821095134, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gary Gershony, M.D. located?

The NPPES record lists a practice address at 400 Parnassus Ave Ste 501, San Francisco, CA, 94143. Phone: (415) 353-2873. Providers update this record themselves, so call before visiting.

How can I verify Gary Gershony, M.D.'s license?

NPPES lists California license number G47523, 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 Gershony, M.D. prescribe under Medicare Part D?

In 2024, Gary Gershony, M.D. had 310 Medicare Part D claims for 41 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.