Sanjay Basu, M.D., PH.D.
Internal Medicine Physician · San Francisco, CA
Sanjay Basu, M.D., PH.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1700111226, issued on Oct 16, 2009. Check the license (California A115459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sanjay Basu
- Credential
- M.D., PH.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A115459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1563 Mission St, San Francisco, CA 94103
- Phone
- (415) 762-3700
- Enumerated
- Oct 16, 2009
- Record last updated
- Mar 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20120605000289); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1563 Mission St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie AckermanCounselor1538626130
- Esli Agripino RodriguezOther Technician1932070356
- Sarah AhmedCommunity Health Worker1629735675
- Noa Albaum, AMFTMarriage & Family Therapist1629701727
- Alexis AmadorCommunity Health Worker1972326650
- Alonzo AndersonAddiction (Substance Use Disorder) Counselor1942712237
Verify Sanjay Basu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
517 Medicare Part D claims for 29 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium57 claims
- Gabapentin41 claims
- Metoprolol Succinate37 claims
- Amlodipine Besylate32 claims
- Jardiance26 claims
- Tamsulosin Hcl21 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
- Healthright 360San Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sanjay Basu among 17,696 internal medicine physician records in California
Sanjay Basu, M.D., PH.D. 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2009 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peter Berman, MDSan Francisco, CA 941031942382056
- Chieh-Yu Chen, MDSan Francisco, CA 941031346604006
- Julia JanssenSan Francisco, CA 941031871026773
- Hillary Kunins, MD, MPHSan Francisco, CA 941031619017597
- Lisa Pratt, M.D.San Francisco, CA 941031841305414
- Catherine Sanders, M.D.San Francisco, CA 941031366714925
- Mark Sears, MDSan Francisco, CA 941031134169105
- Laurene Spencer, MDSan Francisco, CA 941031114064342
Common questions
What is Sanjay Basu, M.D., PH.D.'s NPI number?
Sanjay Basu, M.D., PH.D.'s National Provider Identifier (NPI) is 1700111226, issued on Oct 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sanjay Basu, M.D., PH.D. located?
The NPPES record lists a practice address at 1563 Mission St, San Francisco, CA, 94103. Phone: (415) 762-3700. Providers update this record themselves, so call before visiting.
How can I verify Sanjay Basu, M.D., PH.D.'s license?
NPPES lists California license number A115459, 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 Sanjay Basu, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Sanjay Basu, M.D., PH.D. had 517 Medicare Part D claims for 29 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.