Yumi Taylor Taylor, MD
Internal Medicine Physician · South San Francisco, CA
Yumi Taylor Taylor, MD is an internal medicine physician with a practice address in South San Francisco, California, and NPI 1194888545, issued on Dec 18, 2006. Check the license (California C137442, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yumi Taylor Taylor
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C137442 CA
MD 434741 PA
MT189097 PA
Self-reported in NPPES; status is on the state search - Practice location
- 269 E Grand Ave, South San Francisco, CA 94080
- Phone
- (650) 777-4400
- Enumerated
- Dec 18, 2006
- Record last updated
- Feb 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171024000014); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Yumi Taylor Taylor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C137442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,502 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium166 claims
- Amlodipine Besylate73 claims
- Losartan Potassium64 claims
- Metoprolol Succinate51 claims
- Levothyroxine Sodium44 claims
- Lisinopril42 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.
Yumi Taylor Taylor among 17,696 internal medicine physician records in California
Yumi Taylor Taylor, 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 fileYes · 63% of these records are
- Graduated2006 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 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
- Michelle Caughey, MDSouth San Francisco, CA 940801861570475
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- Hulya Kaymaz, MDSouth San Francisco, CA 940801295813822
- Issa Khouri, MDSouth San Francisco, CA 940801285712885
- Grace Lay, DOSouth San Francisco, CA 940801629156211
- Timothy Liao, MDSouth San Francisco, CA 940801114005733
- Jae Park, MDSouth San Francisco, CA 940801477631075
Common questions
What is Yumi Taylor Taylor, MD's NPI number?
Yumi Taylor Taylor, MD's National Provider Identifier (NPI) is 1194888545, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yumi Taylor Taylor, MD located?
The NPPES record lists a practice address at 269 E Grand Ave, South San Francisco, CA, 94080. Phone: (650) 777-4400. Providers update this record themselves, so call before visiting.
How can I verify Yumi Taylor Taylor, MD's license?
NPPES lists California license number C137442, 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 Yumi Taylor Taylor, MD prescribe under Medicare Part D?
In 2024, Yumi Taylor Taylor, MD had 1,502 Medicare Part D claims for 181 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.