NPPES file of Aug 9, 2026

Donald Duane Vanfossan, M.D.

Neurology Physician · Jackson, CA

Donald Duane Vanfossan, M.D. is a neurology physician with a practice address in Jackson, California, and NPI 1336219930, issued on Nov 9, 2006. Check the license (California 00G577420, 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
1336219930
Name
Donald Duane Vanfossan
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
00G577420 CA
Self-reported in NPPES; status is on the state search
Practice location
201 Clinton RD, Jackson, CA 95642
Phone
(209) 223-3021
Enumerated
Nov 9, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G577420 CA
Medicare enrollment
Enrolled (PECOS I20080416000563); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1985
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 201 Clinton RD

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

  1. Kenny Charn, M.D.Cardiovascular Disease Physician1083715254

Verify Donald Duane Vanfossan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 00G577420
    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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9% fewer Medicare Part D claims than the average neurology physician in 2024

1,240 Medicare Part D claims for 197 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Donald Vanfossan1,240
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa150 claims
  2. Donepezil Hcl85 claims
  3. Levetiracetam79 claims
  4. Topiramate71 claims
  5. Carbamazepine68 claims
  6. Alprazolam59 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.

Donald Duane Vanfossan among 2,339 neurology physician records in California

Donald Duane Vanfossan, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1985 · median 2006 among the 1,628 with a school on file
  • Record last updated2007 · 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 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Hemant Kudrimoti, MD PHDFolsom, CA 956301407809304
  2. Reza Pirsaheli, MDFolsom, CA 956301154543676
  3. Mai Vuong, MDMather, CA 956551750777520
  4. Christopher ZimmermanMather, CA 956551295297653
  5. Firdos Sheikh, MDElk Grove, CA 956241205922333
  6. Wendy Brown, M.D.Roseville, CA 956611285780718
  7. Marc Lenaerts, MDRoseville, CA 956611780652586
  8. Nicole Lopez-Seminario, M.D.Roseville, CA 956611063493567

Common questions

What is Donald Duane Vanfossan, M.D.'s NPI number?

Donald Duane Vanfossan, M.D.'s National Provider Identifier (NPI) is 1336219930, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald Duane Vanfossan, M.D. located?

The NPPES record lists a practice address at 201 Clinton RD, Jackson, CA, 95642. Phone: (209) 223-3021. Providers update this record themselves, so call before visiting.

How can I verify Donald Duane Vanfossan, M.D.'s license?

NPPES lists California license number 00G577420, 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 Donald Duane Vanfossan, M.D. prescribe under Medicare Part D?

In 2024, Donald Duane Vanfossan, M.D. had 1,240 Medicare Part D claims for 197 beneficiaries; the average among neurology physician prescribers was 1,370. 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.

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.