Nishith Singh, M.D.
Internal Medicine Physician · San Francisco, CA
Nishith Singh, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1699967125, issued on Aug 17, 2007. Check the license (California A140188, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nishith Singh
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A140188 CA
Self-reported in NPPES; status is on the state search - Practice location
- 601 Van Ness Ave Ste E3619, San Francisco, CA 94102
- Phone
- (415) 531-9047
- Enumerated
- Aug 17, 2007
- Record last updated
- Aug 27, 2024
- Medicaid ID
- 201158510 IN
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 601 Van Ness Ave Ste E3619
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nishith Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
722 Medicare Part D claims for 203 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 132 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen45 claims
- Oxycodone Hcl34 claims
- Levothyroxine Sodium33 claims
- Trazodone Hcl31 claims
- Potassium Chloride28 claims
- Quetiapine Fumarate24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 97.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Nishith Singh among 17,696 internal medicine physician records in California
Nishith Singh, M.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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2024 · 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
- Karen Bayle, MDSan Francisco, CA 941021851405724
- Ray Brindley, M.D.San Francisco, CA 941021871528992
- William Cahill, MDSan Francisco, CA 941021366461048
- Harvey Edelman, MDSan Francisco, CA 941021154388825
- Valerie Garrett, MDSan Francisco, CA 941021326003013
- Doan Khong, M.D.San Francisco, CA 941021336238310
- Alisa Oberschelp, M.D.San Francisco, CA 941021487759007
- Manisha Ojha, MDSan Francisco, CA 941021922070937
Common questions
What is Nishith Singh, M.D.'s NPI number?
Nishith Singh, M.D.'s National Provider Identifier (NPI) is 1699967125, issued on Aug 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nishith Singh, M.D. located?
The NPPES record lists a practice address at 601 Van Ness Ave Ste E3619, San Francisco, CA, 94102. Phone: (415) 531-9047. Providers update this record themselves, so call before visiting.
How can I verify Nishith Singh, M.D.'s license?
NPPES lists California license number A140188, 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 Nishith Singh, M.D. prescribe under Medicare Part D?
In 2024, Nishith Singh, M.D. had 722 Medicare Part D claims for 203 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nishith Singh, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.