Jeany Tay, MD
Internal Medicine Physician · South San Francisco, CA
Jeany Tay, MD is an internal medicine physician with a practice address in South San Francisco, California, and NPI 1598843104, issued on Nov 1, 2006. Check the license (California G76038, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeany Tay
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G76038 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 EL Camino Real, South San Francisco, CA 94080
- Phone
- (650) 742-2000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G760380 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1200 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jeany Tay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G76038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% more Medicare Part D claims than the average internal medicine physician in 2024
6,349 Medicare Part D claims for 687 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 154 claims were for opioids.
Most prescribed
- Atorvastatin Calcium535 claims
- Amlodipine Besylate510 claims
- Levothyroxine Sodium343 claims
- Losartan Potassium306 claims
- Atenolol209 claims
- Lisinopril196 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.
Jeany Tay among 17,696 internal medicine physician records in California
Jeany Tay, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 internal medicine physician records list a practice address in South San Francisco
They are 63 of the 1,173 NPPES records with a practice address in South San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in South San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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Common questions
What is Jeany Tay, MD's NPI number?
Jeany Tay, MD's National Provider Identifier (NPI) is 1598843104, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeany Tay, MD located?
The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 742-2000. Providers update this record themselves, so call before visiting.
How can I verify Jeany Tay, MD's license?
NPPES lists California license number G76038, 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 Jeany Tay, MD prescribe under Medicare Part D?
In 2024, Jeany Tay, MD had 6,349 Medicare Part D claims for 687 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.