Quick answers
- Which hospitals does Katrina M. Stoffel work at?
- Medicare's official clinician data lists Katrina M. Stoffel at 1 hospital: Allen Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katrina M. Stoffel see patients?
- Medicare's clinician data lists 1 practice location in Waterloo, IA. Call before your visit to confirm the address.
- What is Katrina M. Stoffel's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katrina M. Stoffel accept Medicare assignment?
- Medicare's clinician data says Katrina M. Stoffel may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Katrina M. Stoffel?
- (319) 235-3941, as listed in official Medicare / NPI Registry data.
- What is Katrina M. Stoffel's NPI number?
- 1336556844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katrina M. Stoffel works
Medicare's Facility Affiliation Data lists Katrina M. Stoffel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Allen HospitalWaterloo, IA · Acute Care Hospital · CCN 160110
Practice locations
Addresses where Katrina M. Stoffel is enrolled with Medicare (CMS data updated 2026-10-02).
- 1825 Logan AveWaterloo, IA 50703 (319) 235‑3941
Group practices
Medicare enrollment lists Katrina M. Stoffel as a member of this group (CMS data updated 2026-10-02).
- Allen Memorial Hospital Corporation157 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Waterloo
Clinicians with the same Medicare primary specialty in Waterloo, IA — not a recommendation.
Clinician information
| Graduation year | 2014 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1336556844 |
| 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