Quick answers
- Which hospitals does Katherine A. Ritsche work at?
- Medicare's official clinician data lists Katherine A. Ritsche at 5 hospitals: Essentia Health Duluth, Essentia Health Moose Lake, Essentia Health St Mary's Medical Center, Essentia Health Virginia and St Marys Hospital Superior. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katherine A. Ritsche see patients?
- Medicare's clinician data lists 1 practice location in Duluth, MN. Call before your visit to confirm the address.
- What is Katherine A. Ritsche's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katherine A. Ritsche accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine A. Ritsche accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Katherine A. Ritsche offer telehealth?
- Medicare's clinician data says Katherine A. Ritsche offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Katherine A. Ritsche?
- (218) 786-3443, as listed in official Medicare / NPI Registry data.
- What is Katherine A. Ritsche's NPI number?
- 1881081248. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katherine A. Ritsche works
Medicare's Facility Affiliation Data lists Katherine A. Ritsche at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Essentia Health DuluthDuluth, MN · Acute Care Hospital · CCN 240019
- Essentia Health Moose LakeMoose Lake, MN · Critical Access Hospital · CCN 241350
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · CCN 240002
- Essentia Health VirginiaVirginia, MN · Acute Care Hospital · CCN 240084
- St Marys Hospital SuperiorSuperior, WI · Critical Access Hospital · CCN 521329
Practice locations
Addresses where Katherine A. Ritsche is enrolled with Medicare (CMS data updated 2026-10-02).
- 402 E 2nd StDuluth, MN 55805 (218) 786‑3443
Group practices
Medicare enrollment lists Katherine A. Ritsche as a member of this group (CMS data updated 2026-10-02).
- St Marys Medical Center93 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Duluth
Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881081248 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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