Jonathan Paul Singer, MD
Internal Medicine Physician · San Francisco, CA
Jonathan Paul Singer, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1932122462, issued on Jul 25, 2006. Check the license (California A94715, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Paul Singer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A94715 CA
Self-reported in NPPES; status is on the state search - Practice location
- # M1097, San Francisco, CA 94143
- Phone
- (415) 386-2195
- Enumerated
- Jul 25, 2006
- Record last updated
- Apr 7, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060907000548); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Jonathan Paul Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
939 Medicare Part D claims for 173 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin120 claims
- Prednisone105 claims
- Valganciclovir Hcl101 claims
- Sulfamethoxazole-Trimethoprim67 claims
- Dapsone63 claims
- Tacrolimus63 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): 74.5 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).
Industry payments in 2024: $3,620.00
4 payments; by number, the most common kind was consulting fee; the largest payer was Mallinckrodt Hospital Products Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesBurlingame, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Paul Singer among 17,696 internal medicine physician records in California
Jonathan Paul Singer, 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
- Graduated2005 · median 2004 among the 11,065 with a school on file
- Record last updated2009 · 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
- Nathan Bass, MDSan Francisco, CA 941431689638959
- Margaret Fang, MDSan Francisco, CA 941431417911462
- Katherine Julian, MDSan Francisco, CA 941431003879826
- John Kane, MDSan Francisco, CA 941431467416461
- Suneil Koliwad, M.D., PH.D.San Francisco, CA 941431225006687
- Bernard Lo, MDSan Francisco, CA 941431184688137
- Stephen McPhee, MDSan Francisco, CA 941431124082490
- Andrew Posselt, MDSan Francisco, CA 941431235193616
Common questions
What is Jonathan Paul Singer, MD's NPI number?
Jonathan Paul Singer, MD's National Provider Identifier (NPI) is 1932122462, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Paul Singer, MD located?
The NPPES record lists a practice address at # M1097, San Francisco, CA, 94143. Phone: (415) 386-2195. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Paul Singer, MD's license?
NPPES lists California license number A94715, 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 Jonathan Paul Singer, MD prescribe under Medicare Part D?
In 2024, Jonathan Paul Singer, MD had 939 Medicare Part D claims for 173 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jonathan Paul Singer, MD's MIPS final score?
The 2023 MIPS final score is 74.5 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.