NPPES file of Aug 9, 2026

Austin Donald Carl Kayser, MD

Psychiatry Physician · Mequon, WI

Austin Donald Carl Kayser, MD is a psychiatry physician with a practice address in Mequon, Wisconsin, and NPI 1265173538, issued on Apr 2, 2022. Check the license (Wisconsin 82492, 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
1265173538
Name
Austin Donald Carl Kayser
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
82492 WI
82492-20 WI
Self-reported in NPPES; status is on the state search
Practice location
1045 W Glen Oaks LN Ste 1, Mequon, WI 53092
Phone
(262) 241-8100
Enumerated
Apr 2, 2022
Record last updated
Jul 19, 2026
Fax
(262) 241-8200
Medicare enrollment
Enrolled (PECOS I20260611003244); may accept 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 1045 W Glen Oaks LN Ste 1

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

  1. Amanda Harris, PSY.D.Psychologist1710598982
  2. Judith Jenkins, L.C.S.WSocial Worker1346200052
  3. Diane Matel, APNP, PHDPsychiatric/Mental Health Nurse Practitioner1366467235
  4. Jennifer Reagan, APNP, PMHNP, FNPFamily Nurse Practitioner1154594208

Verify Austin Donald Carl Kayser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 82492
    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

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94% fewer Medicare Part D claims than the average psychiatry physician in 2024

64 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Austin Kayser64
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl16 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.

Psychiatry Physician providers in Wisconsin

There are 929 psychiatry physician records in Wisconsin.

Other psychiatry physician records in Wisconsin

  1. Semhal Abbay, MDGreen Bay, WI1780713172
  2. Amir Abdelli, MDMilwaukee, WI1265782668
  3. Beth Abramson, M.D.Milwaukee, WI1922045996
  4. Jaeger Ackerman, MDMadison, WI1578192589
  5. Sean Ackerman, M.D.Columbus, WI1548559305
  6. Nagwa Agaiby, M.D.Milwaukee, WI1336240407
  7. Himanshu Agrawal, M.D.Elm Grove, WI1477747954
  8. Virginia Aguilar-Sincaban, MDMadison, WI1730172081
  9. Eileen Ahearn, M.D.Madison, WI1144320524
  10. Mahmoud Ahmed, MDLadysmith, WI1659473312

Common questions

What is Austin Donald Carl Kayser, MD's NPI number?

Austin Donald Carl Kayser, MD's National Provider Identifier (NPI) is 1265173538, issued on Apr 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Austin Donald Carl Kayser, MD located?

The NPPES record lists a practice address at 1045 W Glen Oaks LN Ste 1, Mequon, WI, 53092. Phone: (262) 241-8100. Providers update this record themselves, so call before visiting.

How can I verify Austin Donald Carl Kayser, MD's license?

NPPES lists Wisconsin license number 82492, 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 Austin Donald Carl Kayser, MD prescribe under Medicare Part D?

In 2024, Austin Donald Carl Kayser, MD had 64 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.