Quick answers
- Where does Catherine E. Grimsley see patients?
- Medicare's clinician data lists 1 practice location in Sioux City, IA. Call before your visit to confirm the address.
- What is Catherine E. Grimsley's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Catherine E. Grimsley accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine E. Grimsley 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.
- What is the phone number for Catherine E. Grimsley?
- (712) 239-4300, as listed in official Medicare / NPI Registry data.
- What is Catherine E. Grimsley's NPI number?
- 1609543933. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Catherine E. Grimsley is enrolled with Medicare (CMS data updated 2026-10-02).
- 4230 Hamilton BlvdSioux City, IA 51104 (712) 239‑4300
Group practices
Medicare enrollment lists Catherine E. Grimsley as a member of this group (CMS data updated 2026-10-02).
- Family Health Care of Siouxland PLC50 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sioux City
Clinicians with the same Medicare primary specialty in Sioux City, IA — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609543933 |
| 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
- 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