NPPES file of Aug 9, 2026

Sumi Sinha, M.D.

Radiation Oncology Physician · Dublin, CA

Sumi Sinha, M.D. is a radiation oncology physician with a practice address in Dublin, California, and NPI 1922531987, issued on Apr 6, 2017. Check the license (California A160022, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922531987
Name
Sumi Sinha
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A160022 CA
Self-reported in NPPES; status is on the state search
Practice location
3100 Dublin Blvd, Dublin, CA 94568
Phone
(925) 556-5800
Enumerated
Apr 6, 2017
Record last updated
Feb 19, 2024
Medicare enrollment
Enrolled (PECOS I20220930000373); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3100 Dublin Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Miguel Amado Lazo, MPHHealth Educator1841958923
  2. Julita Baker, PH.D.Health Educator1013524271
  3. Loretta BarryPhysical Therapist1457702045
  4. Ruth Bonnell, FNP-BCFamily Nurse Practitioner1134818537
  5. Heather Cordle, FNPNurse Practitioner1609362623
  6. David DosanjhRadiation Therapy Radiologic Technologist1871114587

Verify Sumi Sinha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A160022
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

7% more Medicare Part D claims than the average radiation oncology physician in 2024

143 Medicare Part D claims for 42 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Sumi Sinha143
  2. Specialty average134

Most prescribed

  1. Lidocaine Hcl Viscous36 claims
  2. Tamsulosin Hcl16 claims
  3. Mometasone Furoate14 claims
  4. Gabapentin13 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.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Permanente Medical Group IncDublin, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sumi Sinha among 735 radiation oncology physician records in California

Sumi Sinha, M.D. is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.

  • NPI issued2017 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2017 · median 2005 among the 545 with a school on file
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Michael Forrest, MDDublin, CA 945681700859352
  2. Minh-Phuong Huynh-Le, MDDublin, CA 945681821338682
  3. Anand Parthasarathy, MD, MPHDublin, CA 945681215063094
  4. Gautam Prasad, M.D.Dublin, CA 945681275755621
  5. Amish Shah, M.D.Dublin, CA 945681629129341
  6. Carl Van Wey, M.D.Dublin, CA 945681922071844
  7. Stephen Banks, MDSaint Helena, CA 945741770680852
  8. David Tate, MDSaint Helena, CA 945741336123504

Common questions

What is Sumi Sinha, M.D.'s NPI number?

Sumi Sinha, M.D.'s National Provider Identifier (NPI) is 1922531987, issued on Apr 6, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sumi Sinha, M.D. located?

The NPPES record lists a practice address at 3100 Dublin Blvd, Dublin, CA, 94568. Phone: (925) 556-5800. Providers update this record themselves, so call before visiting.

How can I verify Sumi Sinha, M.D.'s license?

NPPES lists California license number A160022, 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 Sumi Sinha, M.D. prescribe under Medicare Part D?

In 2024, Sumi Sinha, M.D. had 143 Medicare Part D claims for 42 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Sumi 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.