Quick answers
- Does Kati L. Grimes accept Medicare assignment?
- Yes. Medicare's clinician data says Kati L. Grimes 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 Kati L. Grimes's NPI number?
- 1821440959. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kati L. Grimes works
Medicare's Facility Affiliation Data lists Kati L. Grimes 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.
- Hammond Henry HospitalGeneseo, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141319
- OSF Saint Luke Medical CenterKewanee, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141325
- Trinity Rock IslandRock Island, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140280
Practice locations
Addresses where Kati L. Grimes is enrolled with Medicare (CMS data updated October 2, 2026).
- 105 N Main StPort Byron, IL 61275 (309) 523‑2015
- 1258 W S St, Suite 2Kewanee, IL 61443 (309) 853‑3677
- 203 W Front StAnnawan, IL 61234 (309) 935‑4100
- 600 N College Ave, Suite 120Geneseo, IL 61254 (309) 944‑1275
Group practices
Medicare enrollment lists Kati L. Grimes as a member of this group (CMS data updated October 2, 2026).
- Hammond Henry Dist Hospital40 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Hammond Henry Dist Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2016 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821440959 |
| 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