Quick answers
- Does Marissa A. Garrels Kjos accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa A. Garrels Kjos 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 Marissa A. Garrels Kjos's NPI number?
- 1164311320. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marissa A. Garrels Kjos works
Medicare's Facility Affiliation Data lists Marissa A. Garrels Kjos 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.
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520087
Practice locations
Addresses where Marissa A. Garrels Kjos is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1122 W Hwy 61Winona, MN 55987 (507) 615‑0600
- 120 2nd Ave SEWaukon, IA 52172 (563) 568‑3000
- 1830 State Hwy 9Decorah, IA 52101 (563) 382‑3140
- 1836 S AveLa Crosse, WI 54601 (608) 783‑7300
- 505 Gopher DrTomah, WI 54660 (608) 372‑4111
Group practices
Medicare enrollment lists Marissa A. Garrels Kjos as a member of these groups (CMS data updated October 2, 2026).
- Gundersen Lutheran Medical Center Inc895 clinicians in the group
- Gundersen Clinic Ltd418 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Winona
Clinicians with the same Medicare primary specialty in Winona, MN — not a recommendation.
Other clinicians in Gundersen Lutheran Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 2025 (1 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164311320 |
| 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