Active NPI
Marissa Ann Garrels Kjos, OD
- Optometrist
- La Crosse, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 4085
- Practice address
- 1836 South Ave
La Crosse, WI 54601-5429 - Phone
- (608) 782-7300
- NPI assigned
- Jul 1, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | 4085 | WI | Primary |
Addresses
Primary practice location
1836 South Ave
La Crosse, WI 54601-5429
Mailing address
1836 South Ave
La Crosse, WI 54601-5429
Phone (608) 782-7300
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WI, IA, MN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Optometry
- Education
- Illinois College of Optometry at Chicago, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Gundersen Lutheran Medical Center Inc
Practice addresses (Care Compare)
1122 W Hwy 61
Winona, MN 55987-1957
Phone (507) 615-0600
120 2ND Ave SE
Waukon, IA 52172-2073
Phone (563) 568-3000
1836 S Ave
La Crosse, WI 54601-5429
Phone (608) 783-7300
610 E Taylor St
PR Du Chien, WI 53821-2109
Phone (608) 326-6466
Hospital & facility affiliations
- Gundersen Lutheran Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 17 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4085 | WI | MD | Student in an Organized Health Care Education/Training Program |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Gundersen Lutheran Medical Center Inc | Current | Accepting new patients | |
| Gundersen Clinic LTD | Current | Accepting new patients | |
| Gundersen Lutheran Medical Center Inc | Current | Accepting new patients | |
| Gundersen Lutheran Medical Center, Inc | Current | Accepting new patients | |
| Gundersen Lutheran Medical Center Inc | Current | Accepting new patients | |
| Gundersen Clinic LTD | Current | Accepting new patients | |
| Gundersen Lutheran Express Care, Inc | Current | Accepting new patients |
Locations
1830 State Highway 9
Decorah, IA 52101
Phone (563) 382-2639
120 2nd Ave SE
Waukon, IA 52172
Phone (563) 568-3000
1122 W Highway 61
Winona, MN 55987
Phone (507) 615-0600
402 W Lake St
Friendship, WI 53934
Phone (608) 339-3331
1836 South Ave
La Crosse, WI 54601
Phone (608) 788-8102
1910 South Ave
La Crosse, WI 54601
Phone (608) 775-2287
3111 Gundersen Dr
Onalaska, WI 54650
Phone (608) 775-8100
1600 Main St
Onalaska, WI 54650
Phone (608) 783-4681
610 E Taylor St
Prairie du Chien, WI 53821
Phone (608) 326-6466
505 Gopher Dr
Tomah, WI 54660
Phone (608) 372-2181
Interoperability endpoints
- mgarrelskjos1128016@direct.emplifyhealth.org
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Clinic/Center
- La Crosse, WI
- NPI 1225873458
-
- Community/Retail Pharmacy
- La Crosse, WI
- NPI 1548710627
-
- Clinic/Center
- La Crosse, WI
- NPI 1043446974
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Onalaska, WI
- NPI 1871837567
-
- Clinic/Center
- Winona, MN
- NPI 1952959603
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- La Crosse, WI
- NPI 1376593442
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Onalaska, WI
- NPI 1871837567
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1751328000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751328000000",
"number": "1164311320",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1836 SOUTH AVE",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546015429",
"telephone_number": "608-782-7300"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1836 SOUTH AVE",
"city": "LA CROSSE",
"state": "WI",
"postal_code": "546015429",
"telephone_number": "608-782-7300"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GARRELS KJOS",
"first_name": "MARISSA",
"middle_name": "ANN",
"credential": "OD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-07-01",
"last_updated": "2025-07-01",
"certification_date": "2025-07-01",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "WI",
"license": "4085",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in La Crosse, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.