NPPES file of Aug 9, 2026

Donn David Dexter, MD

Neurology Physician · Eau Claire, WI

Donn David Dexter, MD is a neurology physician with a practice address in Eau Claire, Wisconsin, and NPI 1093788515, issued on Feb 8, 2006. Check the license (Wisconsin 34048, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1093788515
Name
Donn David Dexter
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
34048 WI
30913 MN
Self-reported in NPPES; status is on the state search
Practice location
2116 Craig RD, Eau Claire, WI 54701
Phone
(715) 858-4500
Enumerated
Feb 8, 2006
Record last updated
Jun 17, 2026
Medicare enrollment
Enrolled (PECOS I20100128000184); 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 2116 Craig RD

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

  1. Abigail Aguirre, PAPhysician Assistant1982307054
  2. Aruna Ahluwalia, MDAnesthesiology Physician1205852506
  3. Sharat Ahluwalia, MDNeurology Physician1629179221
  4. Omprakash Ahuja, MDPulmonary Disease Physician1861563058
  5. Brad Allar, PAPhysician Assistant1598795650
  6. Brent Amble, A.T.C., L.A.T.Athletic Trainer1235122771

Verify Donn David Dexter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 34048
    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 Wisconsin 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.

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77% fewer Medicare Part D claims than the average neurology physician in 2024

314 Medicare Part D claims for 71 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Donn Dexter314
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa49 claims
  2. Levetiracetam24 claims
  3. Donepezil Hcl19 claims
  4. Primidone15 claims
  5. Rivastigmine14 claims
  6. Riluzole13 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 2 group practices

  1. Lakeview Medical Center Inc OF Rice LakeRice Lake, WI
  2. Mchs Hospitals IncMarshfield, WI

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

Donn David Dexter among 399 neurology physician records in Wisconsin

Donn David Dexter, MD is one of 399 neurology physician records with a practice address in Wisconsin. 77% 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, 53% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1986 · median 2005 among the 274 with a school on file
  • Record last updated2026 · 51% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Wisconsin

There are 399 neurology physician records in Wisconsin.

The 8 neurology physician records with the nearest ZIP codes

  1. Sharat Ahluwalia, MDEau Claire, WI 547011629179221
  2. Monte Bell, M.D.Eau Claire, WI 547011972772044
  3. Leonardo Fugoso, MDEau Claire, WI 547011538358098
  4. Jon Konzen, DOEau Claire, WI 547011609988310
  5. Felix Chukwudelunzu, MDEau Claire, WI 547031568435071
  6. Rae Hanson, MDEau Claire, WI 547031639142623
  7. Maria Hernandez Guilarte, MDEau Claire, WI 547031578133799
  8. Spoorthi JagadishEau Claire, WI 547031245882380

Common questions

What is Donn David Dexter, MD's NPI number?

Donn David Dexter, MD's National Provider Identifier (NPI) is 1093788515, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donn David Dexter, MD located?

The NPPES record lists a practice address at 2116 Craig RD, Eau Claire, WI, 54701. Phone: (715) 858-4500. Providers update this record themselves, so call before visiting.

How can I verify Donn David Dexter, MD's license?

NPPES lists Wisconsin license number 34048, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Donn David Dexter, MD prescribe under Medicare Part D?

In 2024, Donn David Dexter, MD had 314 Medicare Part D claims for 71 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.