NPPES file of Aug 9, 2026

Tamaryn Jade Fox, MD

Endocrinology, Diabetes & Metabolism Physician · Stanford, CA

Tamaryn Jade Fox, MD is an endocrinology, diabetes & metabolism physician with a practice address in Stanford, California, and NPI 1447745161, issued on Jun 25, 2018. Check the license (California A196079, 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
1447745161
Name
Tamaryn Jade Fox
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
A196079 CA
068085 CO
MD474498 PA
MT214835 PA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr RM S025, Stanford, CA 94305
Phone
(650) 724-4750
Enumerated
Jun 25, 2018
Record last updated
May 31, 2024
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.
Download card Updates feed

Also registered at 300 Pasteur Dr RM S025

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

  1. Christina GuEndocrinology, Diabetes & Metabolism Physician1104575000
  2. Sun Kim, M.D., M.S.Endocrinology, Diabetes & Metabolism Physician1083894844
  3. Fredric Kraemer, MDEndocrinology, Diabetes & Metabolism Physician1780796037
  4. Michael Li, MD, PHDInternal Medicine Physician1023758380
  5. Jairo Norena Velasquez, MDEndocrinology, Diabetes & Metabolism Physician1174152938
  6. Kaleena Zhang, MDStudent in an Organized Health Care Education/Training Program1366185480

Verify Tamaryn Jade Fox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A196079
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

52 Medicare Part D claims for 19 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Tamaryn Fox52
  2. Specialty average2,630

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.

Tamaryn Jade Fox among 1,131 endocrinology, diabetes & metabolism physician records in California

Tamaryn Jade Fox, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 92% of them.

  • NPI issued2018 · 92% of these records are older, 6% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2024 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Justin Annes, M.D.Stanford, CA 943051013027424
  2. Marina Basina, MDStanford, CA 943051023196805
  3. Carlos Camargo, M.D.Stanford, CA 943051831233253
  4. Ajay Chawla, MD, PHDStanford, CA 943051154457315
  5. Neil Gesundheit, MDStanford, CA 943051871629030
  6. Andrew Hoffman, M.D.Stanford, CA 943051619924685
  7. Fredric Kraemer, MDStanford, CA 943051780796037
  8. Jennifer Lee, M.D.Stanford, CA 943051558455071

Common questions

What is Tamaryn Jade Fox, MD's NPI number?

Tamaryn Jade Fox, MD's National Provider Identifier (NPI) is 1447745161, issued on Jun 25, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tamaryn Jade Fox, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr RM S025, Stanford, CA, 94305. Phone: (650) 724-4750. Providers update this record themselves, so call before visiting.

How can I verify Tamaryn Jade Fox, MD's license?

NPPES lists California license number A196079, 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 Tamaryn Jade Fox, MD prescribe under Medicare Part D?

In 2024, Tamaryn Jade Fox, MD had 52 Medicare Part D claims for 19 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.