Tony To Phengrasamy, PHARM.D.
Pharmacist · San Francisco, CA
Tony To Phengrasamy, PHARM.D. is a pharmacist with a practice address in San Francisco, California, and NPI 1902998578, issued on Sep 29, 2006. Check the license (California RPH 51027, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tony To Phengrasamy
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- RPH 51027 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Owens St FL 5, San Francisco, CA 94158
- Phone
- (628) 242-6533
- Enumerated
- Sep 29, 2006
- Record last updated
- Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (628) 242-6555
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 1600 Owens St FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rene Gonzalez, M.D.Family Medicine Physician1821356791
- Orlando Zepeda, MDInternal Medicine Physician1821416355
Verify Tony To Phengrasamy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RPH 51027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.3 times the Medicare Part D claims of the average pharmacist in 2024
628 Medicare Part D claims for 147 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 77% of claims.
Most prescribed
- Biktarvy112 claims
- Triumeq59 claims
- Odefsey58 claims
- Tivicay57 claims
- Genvoya46 claims
- Prezcobix42 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.
Tony To Phengrasamy among 32,533 pharmacist records in California
Tony To Phengrasamy, PHARM.D. is one of 32,533 pharmacist records with a practice address in California. 15% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 94% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,180 pharmacist records list a practice address in San Francisco
They are 1,180 of the 38,143 NPPES records with a practice address in San Francisco, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in San Francisco → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Vincent Cheng, PHARMDSan Francisco, CA 941581417394883
- Charlotte DegraeveSan Francisco, CA 941581841723137
- Rebecca Kasten-GaroutteSan Francisco, CA 941581689107781
- Melody Keshavarz, PHARMDSan Francisco, CA 941581174287965
- Tiffany KhoSan Francisco, CA 941581265965370
- Bryant Lai, PHARMDSan Francisco, CA 941581104304401
- Howard Lee, PHARMDSan Francisco, CA 941581942733639
- Stacey Madronio, PHARMDSan Francisco, CA 941581467984997
Common questions
What is Tony To Phengrasamy, PHARM.D.'s NPI number?
Tony To Phengrasamy, PHARM.D.'s National Provider Identifier (NPI) is 1902998578, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tony To Phengrasamy, PHARM.D. located?
The NPPES record lists a practice address at 1600 Owens St FL 5, San Francisco, CA, 94158. Phone: (628) 242-6533. Providers update this record themselves, so call before visiting.
How can I verify Tony To Phengrasamy, PHARM.D.'s license?
NPPES lists California license number RPH 51027, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tony To Phengrasamy, PHARM.D. prescribe under Medicare Part D?
In 2024, Tony To Phengrasamy, PHARM.D. had 628 Medicare Part D claims for 147 beneficiaries; the average among pharmacist prescribers was 119. 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.