Judith Fredericka Ashouri-Sinha, M.D.
Rheumatology Physician · San Francisco, CA
Judith Fredericka Ashouri-Sinha, M.D. is a rheumatology physician with a practice address in San Francisco, California, and NPI 1841507506, issued on Sep 1, 2010. Check the license (California A109504, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Judith Fredericka Ashouri-Sinha
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A109504 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-2497
- Enumerated
- Sep 1, 2010
- Record last updated
- Feb 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (415) 353-2777
- Medicare enrollment
- Enrolled (PECOS I20110901000645); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 400 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel Adelman, M.D.Internal Medicine Physician1922041821
- Joshua Adler, MDInternal Medicine Physician1194781351
- Justin Ahn, M.D.Urology Physician1063755148
- Weiyun Ai, MDMedical Oncology Physician1649346842
Verify Judith Fredericka Ashouri-Sinha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average rheumatology physician in 2024
332 Medicare Part D claims for 38 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Methotrexate85 claims
- Prednisone52 claims
- Enbrel Sureclick25 claims
- Hydroxychloroquine Sulfate24 claims
- Humira(Cf) Pen16 claims
- Enbrel13 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).
Bills Medicare through 3 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesSan Francisco, 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).
Judith Fredericka Ashouri-Sinha among 926 rheumatology physician records in California
Judith Fredericka Ashouri-Sinha, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.
- NPI issued2010 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2008 · median 2003 among the 641 with a school on file
- Record last updated2014 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in San Francisco → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Urmila Bajpai, M.D.San Francisco, CA 941431790932457
- Ann Mary Belek, MDSan Francisco, CA 941431780841197
- Andrew Chan, M.D.San Francisco, CA 941431578667028
- Sharon Chung, MDSan Francisco, CA 941431649393737
- Lindsey Criswell, MDSan Francisco, CA 941431881659290
- John Davis, MD, MPHSan Francisco, CA 941431912962705
- Lianne Gensler, M.D.San Francisco, CA 941431780781369
- Edward Goetzl, MDSan Francisco, CA 941431255396594
Common questions
What is Judith Fredericka Ashouri-Sinha, M.D.'s NPI number?
Judith Fredericka Ashouri-Sinha, M.D.'s National Provider Identifier (NPI) is 1841507506, issued on Sep 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Judith Fredericka Ashouri-Sinha, M.D. located?
The NPPES record lists a practice address at 400 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-2497. Providers update this record themselves, so call before visiting.
How can I verify Judith Fredericka Ashouri-Sinha, M.D.'s license?
NPPES lists California license number A109504, 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 Judith Fredericka Ashouri-Sinha, M.D. prescribe under Medicare Part D?
In 2024, Judith Fredericka Ashouri-Sinha, M.D. had 332 Medicare Part D claims for 38 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Judith Fredericka Ashouri-Sinha, M.D.'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.