Registry data as of Aug 27, 2026

Diparshi Mukherjee, DO

Sports Medicine (Internal Medicine) Physician · Vallejo, CA

Diparshi Mukherjee, DO is a sports medicine (internal medicine) physician with a practice address in Vallejo, California, and NPI 1932287760, issued on Nov 1, 2006. Check the license (California 20A8910, 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
1932287760
Name
Diparshi Mukherjee
Credential
DO
Primary taxonomy
Sports Medicine (Internal Medicine) Physician 207RS0010X
License number
20A8910 CA
Self-reported in NPPES; status is on the state search
Practice location
975 Sereno Dr, Vallejo, CA 94589
Phone
(707) 651-1000
Enumerated
Nov 1, 2006
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.
Download card Updates feed

Also registered at 975 Sereno Dr

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

  1. Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
  2. Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
  3. Anthony Acquaviva, MDUrology Physician1457439283
  4. Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
  5. Omid AfshariPharmacist1184165391
  6. Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687

Verify Diparshi Mukherjee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8910    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 →

3.8 times the Medicare Part D claims of the average sports medicine (internal medicine) physician in 2024

4,629 Medicare Part D claims for 542 beneficiaries, against an average of 1,220 among the 204 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 218 claims were for opioids.

  1. Diparshi Mukherjee4,629
  2. Specialty average1,220

Most prescribed

  1. Atorvastatin Calcium295 claims
  2. Lisinopril206 claims
  3. Naloxone Hcl201 claims
  4. Losartan Potassium185 claims
  5. Amlodipine Besylate184 claims
  6. Hydrocodone-Acetaminophen134 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.

One hospital or facility affiliation

  1. Permanente Medical Group IncAntioch, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sports Medicine (Internal Medicine) Physician providers in California

There are 49 sports medicine (internal medicine) physician records in California.

All 49 in California → Every provider in Vallejo →

Other sports medicine (internal medicine) physician records in California

  1. Cesar Abdul-Massih, MDRancho Mirage, CA1649732629
  2. Aye Aung, MDSanta Clara, CA1730672056
  3. Meredith Bean, MDOakland, CA1225116726
  4. Phillip Bland, MDLos Angeles, CA1881776524
  5. Laura Breckenridge, NPSan Bruno, CA1013091594
  6. Anna Buehler, MDSan Francisco, CA1669001954
  7. Melissa Burman, MDSan Diego, CA1881198166
  8. William Cappiello, MDSanta Clara, CA1184701013
  9. Edward Cheung, MDLos Angeles, CA1942566872
  10. Philip Cohen, MDEncino, CA1154422418

Common questions

What is Diparshi Mukherjee, DO's NPI number?

Diparshi Mukherjee, DO's National Provider Identifier (NPI) is 1932287760, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diparshi Mukherjee, DO located?

The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.

How can I verify Diparshi Mukherjee, DO's license?

NPPES lists California license number 20A8910, 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 Diparshi Mukherjee, DO prescribe under Medicare Part D?

In 2024, Diparshi Mukherjee, DO had 4,629 Medicare Part D claims for 542 beneficiaries; the average among sports medicine (internal medicine) physician prescribers was 1,220. Part D covers Medicare prescriptions only.

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.

Compiled from official public sources by the editorial process.

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.