Registry data as of Aug 27, 2026

Vinayak Prasad, M.D.

Hematology (Internal Medicine) Physician · San Francisco, CA

Vinayak Prasad, M.D. is a hematology (internal medicine) physician with a practice address in San Francisco, California, and NPI 1467786277, issued on Sep 25, 2009. Check the license (California C169093, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1467786277
Name
Vinayak Prasad
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
C169093 CA
Self-reported in NPPES; status is on the state search
Practice location
1001 Potrero Ave, San Francisco, CA 94110
Phone
(415) 206-8000
Enumerated
Sep 25, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1001 Potrero Ave

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

  1. Elizabeth Abbs, M.D.Student in an Organized Health Care Education/Training Program1295269983
  2. Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
  3. Mary Ann AbilleRegistered Nurse1699155804
  4. Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
  5. Elizabeth AdvientoRegistered Nurse1124968987
  6. Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995

Verify Vinayak Prasad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C169093
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

89% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

72 Medicare Part D claims for 11 beneficiaries, against an average of 684 among the 1,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Vinayak Prasad72
  2. Specialty average684

Most prescribed

  1. Hydroxyurea19 claims
  2. Venlafaxine Hcl Er13 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 Medicare quality score for 2023: 91.9 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. Qualityout of 100 · 30% of the final score83.5
  2. Costout of 100 · 30%68.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Hematology (Internal Medicine) Physician providers in California

There are 132 hematology (internal medicine) physician records in California.

Other hematology (internal medicine) physician records in California

  1. Haifaa Abdulhaq, MDFresno, CA1508024647
  2. John Adamson, MDSan Diego, CA1477504801
  3. Julio Alvarenga Thiebaud, M.D.Irvine, CA1457770497
  4. Idoroenyi Amanam, M.D.Duarte, CA1205257920
  5. Ian Anderson, M.D.Santa Rosa, CA1518055573
  6. Sally Arai, MDStanford, CA1881739530
  7. Shirin Attarian, M.D.Orange, CA1427310713
  8. Kavya Babu, MDSacramento, CA1922682392
  9. John Baird, MDDuarte, CA1427493998
  10. Brian Ball, M.D.Duarte, CA1356754683

Common questions

What is Vinayak Prasad, M.D.'s NPI number?

Vinayak Prasad, M.D.'s National Provider Identifier (NPI) is 1467786277, issued on Sep 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Vinayak Prasad, M.D. located?

The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-8000. Providers update this record themselves, so call before visiting.

How can I verify Vinayak Prasad, M.D.'s license?

NPPES lists California license number C169093, 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 Vinayak Prasad, M.D. prescribe under Medicare Part D?

In 2024, Vinayak Prasad, M.D. had 72 Medicare Part D claims for 11 beneficiaries; the average among hematology (internal medicine) physician prescribers was 684. Part D covers Medicare prescriptions only.

What is Vinayak Prasad, M.D.'s Medicare quality score?

The 2023 MIPS final score is 91.9 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.