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

NPPES recordNPPES file of Aug 9, 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
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00AX89100 CA
Medicare enrollment
Enrolled (PECOS I20041124000954); accepts Medicare assignment
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.
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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

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7.7 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 605 among the 227 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 average605

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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncAntioch, CA

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

Sports Medicine (Internal Medicine) Physician providers in California

There are 48 sports medicine (internal medicine) physician records in California.

All 48 in California → Every provider in Vallejo →

Other sports medicine (internal medicine) physician records in California

  1. Cesar Abdul-Massih, MDRancho Mirage, CA1649732629
  2. Anje'Le AlstonFontana, CA1356970842
  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. Andrew Concoff, MDFullerton, CA1366442998
  10. Darrell Corben, M.D.Sunnyvale, CA1912952276

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 605. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.