Jennifer V. Tom, M.D.
Emergency Medicine Physician · San Mateo, CA
Jennifer V. Tom, M.D. is an emergency medicine physician with a practice address in San Mateo, California, and NPI 1376562686, issued on Jul 18, 2006. Check the license (California C179310, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer V. Tom
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- C179310 CA
MD424980 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 S San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 696-4758
- Enumerated
- Jul 18, 2006
- Record last updated
- Mar 24, 2023
- Medicaid IDs
- 0057762 NJ
101212814 PA - Medicare enrollment
- Enrolled (PECOS I20230329001482); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 100 S San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelly Broderick, M.D.Diagnostic Radiology Physician1609821891
- Joey CheungRadiological Physics Physician1154256493
Verify Jennifer V. Tom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C179310Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average emergency medicine physician in 2024
274 Medicare Part D claims for 207 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate34 claims
- Azithromycin32 claims
- Cephalexin30 claims
- Amoxicillin-Clavulanate Potass24 claims
- Paxlovid15 claims
- Albuterol Sulfate Hfa14 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
- Sutter Bay Medical FoundationSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer V. Tom among 7,751 emergency medicine physician records in California
Jennifer V. Tom, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1997 · median 2011 among the 4,560 with a school on file
- Record last updated2023 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Mateo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Arthur Freedman, MDSan Mateo, CA 944011225146566
- James Lee, M.D.San Mateo, CA 944011154470789
- Dennis Stempler, M.DSan Mateo, CA 944011518907583
- Richard Turner, M.D.San Mateo, CA 944011568485092
- Kenneth Yu, M.D.San Mateo, CA 944011194996108
- Jessica Zuraw, M.D.San Mateo, CA 944011255572780
- Michael Aratow, M.D.San Mateo, CA 944031891804043
- Dwight Gaggero, MDSan Mateo, CA 944031366433153
Common questions
What is Jennifer V. Tom, M.D.'s NPI number?
Jennifer V. Tom, M.D.'s National Provider Identifier (NPI) is 1376562686, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer V. Tom, M.D. located?
The NPPES record lists a practice address at 100 S San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 696-4758. Providers update this record themselves, so call before visiting.
How can I verify Jennifer V. Tom, M.D.'s license?
NPPES lists California license number C179310, 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 Jennifer V. Tom, M.D. prescribe under Medicare Part D?
In 2024, Jennifer V. Tom, M.D. had 274 Medicare Part D claims for 207 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.