NPPES file of Aug 9, 2026

Alexandra Wynn Acher, M.D.

Surgical Oncology Physician · Madison, WI

Alexandra Wynn Acher, M.D. is a surgical oncology physician with a practice address in Madison, Wisconsin, and NPI 1487018008, issued on Apr 9, 2016. Check the license (Wisconsin 85776-20, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487018008
Name
Alexandra Wynn Acher
Credential
M.D.
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License numbers
85776-20 WI
85776 WI
Self-reported in NPPES; status is on the state search
Practice location
University OF Wisconsin Hospital And Clinics, Madison, WI 53792
Phone
(608) 262-2025
Enumerated
Apr 9, 2016
Record last updated
Aug 14, 2025
Fax
(608) 265-5530
Medicare enrollment
Enrolled (PECOS I20250825001231); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
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 University OF Wisconsin Hospital And Clinics

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

  1. Scott Anderson, M.D.Orthopaedic Surgery Physician1659320422
  2. Tresa Binek, PHARMDPharmacist1881105658
  3. Sara Black, M.D.Student in an Organized Health Care Education/Training Program1871538868
  4. Jocelyn Blake, M.D.Anesthesiology Physician1124063458
  5. Dawn Davis, M.D., PH.D.Endocrinology, Diabetes & Metabolism Physician1164480513
  6. Casey Ditroia, DPTPhysical Therapist1588116768

Verify Alexandra Wynn Acher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 85776-20
    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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Bills Medicare through one group practice

  1. University OF Wisconsin Medical Foundation IncMadison, WI

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

Alexandra Wynn Acher among 42 surgical oncology physician records in Wisconsin

Alexandra Wynn Acher, M.D. is one of 42 surgical oncology physician records with a practice address in Wisconsin. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 14% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2016 · median 2009 among the 32 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Wisconsin

There are 42 surgical oncology physician records in Wisconsin.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Daniel Abbott, MDMadison, WI 537921750412615
  2. Anna Beck, M.D.Madison, WI 537921740669076
  3. Meeghan Lautner, MDMadison, WI 537921477736478
  4. Rebecca Minter, MDMadison, WI 537921497856405
  5. Jacqueline Murtha, MDMadison, WI 537921235635947
  6. Sean Ronnekleiv-Kelly, M.D.Madison, WI 537921164687125
  7. Patrick Varley, M.D.Madison, WI 537921386965481
  8. Ashley Woodfin, MDMadison, WI 537921710349378

Common questions

What is Alexandra Wynn Acher, M.D.'s NPI number?

Alexandra Wynn Acher, M.D.'s National Provider Identifier (NPI) is 1487018008, issued on Apr 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra Wynn Acher, M.D. located?

The NPPES record lists a practice address at University OF Wisconsin Hospital And Clinics, Madison, WI, 53792. Phone: (608) 262-2025. Providers update this record themselves, so call before visiting.

How can I verify Alexandra Wynn Acher, M.D.'s license?

NPPES lists Wisconsin license number 85776-20, 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.

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.