NPPES file of Aug 9, 2026

Ahlex Kortsan, CNM

Advanced Practice Midwife · Onalaska, WI

Ahlex Kortsan, CNM is an advanced practice midwife with a practice address in Onalaska, Wisconsin, and NPI 1700677309, issued on May 14, 2025. Check the license (Wisconsin 598, as entered in NPPES) with the Wisconsin board that licenses this profession; 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
1700677309
Name
Ahlex Kortsan
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
598 WI
Self-reported in NPPES; status is on the state search
Practice location
3111 Gundersen Dr, Onalaska, WI 54650
Phone
(608) 775-8100
Enumerated
May 14, 2025
Record last updated
May 14, 2025
Medicare enrollment
Enrolled (PECOS I20250712000406); 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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8 nearest advanced practice midwife records → All 281 in Wisconsin → Look up another NPI →

Also registered at 3111 Gundersen Dr

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

  1. Jeffrey Addison, D.O.Internal Medicine Physician1295268571
  2. Sarah Almonroeder, PA-CMedical Physician Assistant1598049322
  3. Joseph Angell, ATCAthletic Trainer1578556056
  4. Kellie Backman, APNPFamily Nurse Practitioner1639171895
  5. Janet Bahr, NPAdult Health Nurse Practitioner1619163276
  6. Kelley Bahr, MDFamily Medicine Physician1366441297

Verify Ahlex Kortsan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 598    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
Find 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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Bills Medicare through one group practice

  1. Gundersen Lutheran Medical Center IncOnalaska, WI

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

Ahlex Kortsan among 281 advanced practice midwife records in Wisconsin

Ahlex Kortsan, CNM is one of 281 advanced practice midwife records with a practice address in Wisconsin. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 94% of them.

  • NPI issued2025 · 94% of these records are older, 2% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2024 · median 2016 among the 117 with a school on file
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 advanced practice midwife records list a practice address in Onalaska

They are 8 of the 568 NPPES records with a practice address in Onalaska, and 281 advanced practice midwife records in Wisconsin.

All 281 in Wisconsin → Every provider in Onalaska → Advanced Practice Midwife nationwide →

The 8 advanced practice midwife records with the nearest ZIP codes

  1. Hilary Conn, CNMOnalaska, WI 546501679126890
  2. Angela Connely, CNMOnalaska, WI 546501356544423
  3. Theresa Hagen, CNM, RN, APNPOnalaska, WI 546501356463053
  4. Linda Hirsh, CNMOnalaska, WI 546501801891320
  5. Brittany Lange, CNMOnalaska, WI 546501154840221
  6. Jennifer Meyers, CNMOnalaska, WI 546501649471079
  7. Jacqueline Pierce, CNMOnalaska, WI 546501730296039
  8. Laura Damrow, CNMTomah, WI 546601457333049

Common questions

What is Ahlex Kortsan, CNM's NPI number?

Ahlex Kortsan, CNM's National Provider Identifier (NPI) is 1700677309, issued on May 14, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Ahlex Kortsan, CNM located?

The NPPES record lists a practice address at 3111 Gundersen Dr, Onalaska, WI, 54650. Phone: (608) 775-8100. Providers update this record themselves, so call before visiting.

How can I verify Ahlex Kortsan, CNM's license?

NPPES lists Wisconsin license number 598, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.