NPPES file of Aug 9, 2026

Geoffrey Y. Tom, MD

Obstetrics & Gynecology Physician · Fresno, CA

Geoffrey Y. Tom, MD is an obstetrics & gynecology physician with a practice address in Fresno, California, and NPI 1669550562, issued on Nov 1, 2006. Check the license (California G87212, 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
1669550562
Name
Geoffrey Y. Tom
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G87212 CA
Self-reported in NPPES; status is on the state search
Practice location
7300 N Fresno St, Fresno, CA 93720
Phone
(559) 448-4500
Enumerated
Nov 1, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00G872120 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7300 N Fresno St

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

  1. Barseg AbanyanPharmacist1194257717
  2. Seifedin Abdulkarim, MDInternal Medicine Physician1265518740
  3. David Aguilar, MDNeonatal-Perinatal Medicine Physician1184723157
  4. Bina AhmedPharmacist1720239171
  5. Israa Al-Ani, MDStudent in an Organized Health Care Education/Training Program1639707052
  6. Ahmed Alqaysi, MDInternal Medicine Physician1861995813

Verify Geoffrey Y. Tom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G87212
    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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35% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

107 Medicare Part D claims for 51 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Geoffrey Tom107
  2. Specialty average165

Most prescribed

  1. Estradiol38 claims
  2. Progesterone23 claims
  3. Medroxyprogesterone Acetate12 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.

Geoffrey Y. Tom among 5,088 obstetrics & gynecology physician records in California

Geoffrey Y. Tom, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Jaswant Chahal-Matharu, M.D.Fresno, CA 937201295842953
  2. Robert Curry, M.D.Fresno, CA 937201033205539
  3. Patricia Felton, MDFresno, CA 937201033174180
  4. Katherine Finney, MDFresno, CA 937201699739458
  5. Harold Grooms, M.D.Fresno, CA 937201205837192
  6. Daniel Hernandez, MDFresno, CA 937201487615449
  7. Thomas Kulterman, MDFresno, CA 937201851479760
  8. Stewart Mason, M.D.Fresno, CA 937201871519835

Common questions

What is Geoffrey Y. Tom, MD's NPI number?

Geoffrey Y. Tom, MD's National Provider Identifier (NPI) is 1669550562, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Geoffrey Y. Tom, MD located?

The NPPES record lists a practice address at 7300 N Fresno St, Fresno, CA, 93720. Phone: (559) 448-4500. Providers update this record themselves, so call before visiting.

How can I verify Geoffrey Y. Tom, MD's license?

NPPES lists California license number G87212, 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 Geoffrey Y. Tom, MD prescribe under Medicare Part D?

In 2024, Geoffrey Y. Tom, MD had 107 Medicare Part D claims for 51 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.