Quick answers
- Does Heather S. Krenn accept Medicare assignment?
- Yes. Medicare's clinician data says Heather S. Krenn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Heather S. Krenn's NPI number?
- 1144027749. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Heather S. Krenn works
Medicare's Facility Affiliation Data lists Heather S. Krenn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ripon Medical CenterRipon, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521321
- SSM Health St Agnes Hospital-Fond Du LacFond Du Lac, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520088
- Waupun Memorial HospitalWaupun, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521327
Practice locations
Addresses where Heather S. Krenn is enrolled with Medicare (CMS data updated October 2, 2026).
- 430 E Division StFond Du Lac, WI 54935 (920) 929‑2300
Group practices
Medicare enrollment lists Heather S. Krenn as a member of this group (CMS data updated October 2, 2026).
- Agnesian Healthcare Inc388 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fond Du Lac
Clinicians with the same Medicare primary specialty in Fond Du Lac, WI — not a recommendation.
Other clinicians in Agnesian Healthcare Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2024 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144027749 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians