Registry data as of Aug 27, 2026

Mark Borsody, MD

Neurology Physician · Napa, CA

Mark Borsody, MD is a neurology physician with a practice address in Napa, California, and NPI 1215179767, issued on Mar 30, 2009. Check the license (California C54987, 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
1215179767
Name
Mark Borsody
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
C54987 CA
03612548 IL
D96474 MD
2016-00825 NC
MD61646642 WA
and 1 more
Self-reported in NPPES; status is on the state search
Practice location
1000 Trancas St, Napa, CA 94558
Phone
(847) 274-1790
Enumerated
Mar 30, 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 1000 Trancas St

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

  1. Deborah Albert, PH.D, BSN, IBCLCLactation Consultant (Registered Nurse)1508115247
  2. Christian Anderson, M.D.Diagnostic Radiology Physician1235160730
  3. Melvin Atchison, CRNACertified Registered Nurse Anesthetist1750331344
  4. Ernesto Avelar, PHARM DCritical Care Pharmacist1265365787
  5. Maureen Bose, BSN, RN, IBCLCLactation Consultant (Registered Nurse)1780375733
  6. John Brazil, MDStudent in an Organized Health Care Education/Training Program1801545900

Verify Mark Borsody in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C54987
    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 →

99% fewer Medicare Part D claims than the average neurology physician in 2024

12 Medicare Part D claims, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mark Borsody12
  2. Specialty average1,356

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.

Industry payments in 2024: $27.63

1 payment, mostly food and beverage; the largest payer was Tempus AI, Inc. The 9,995 providers of this specialty with any payment received $8,603.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Borsody$27.63
  2. Specialty average$8,603.82

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

7 hospital and facility affiliations

  1. Cep America - Neurology PCSonora, CA
  2. Creek Nation Hospital And ClinicsOkmulgee, OK
  3. Emergency And Acute Care Medical CorporationChula Vista, CA
  4. Providence Medical FoundationNapa, CA
  5. Sarah Bush Lincoln Health CenterMoraga, CA
  6. St Bernards Hospital Inc.Jonesboro, AR
  7. University OF Maryland Community Medical Group IncEaston, MD

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.

Neurology Physician providers in California

There are 2,160 neurology physician records in California.

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Puya Abbassi, D.O.San Jose, CA1831695428
  4. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  5. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  6. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  7. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
  8. Scott Abramson, M.D.San Leandro, CA1891873667
  9. Valerie Acevedo, D.O.Newport Beach, CA1043258502
  10. Saviour Achilike, MDTracy, CA1033506688

Common questions

What is Mark Borsody, MD's NPI number?

Mark Borsody, MD's National Provider Identifier (NPI) is 1215179767, issued on Mar 30, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mark Borsody, MD located?

The NPPES record lists a practice address at 1000 Trancas St, Napa, CA, 94558. Phone: (847) 274-1790. Providers update this record themselves, so call before visiting.

How can I verify Mark Borsody, MD's license?

NPPES lists California license number C54987, 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 Mark Borsody, MD prescribe under Medicare Part D?

In 2024, Mark Borsody, MD had 12 Medicare Part D claims; the average among neurology physician prescribers was 1,356. 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.

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.