FILOMENA C LARSON OD
NPI 1215933395
Optometrist in La Crosse, WI
About Filomena C Larson Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FILOMENA C LARSON OD (NPI 1215933395) is an individual optometrist in La Crosse, Wisconsin, licensed in Wisconsin (2493) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and is a graduate of Illinois College Of Optometry At Chicago (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Filomena C Larson Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Filomena Larson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 928 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Filomena Larson's NPI number?
The NPI number for Filomena Larson is 1215933395. It was assigned to this individual provider in the NPPES registry on June 23, 2005.
Where is Filomena Larson located?
Filomena Larson practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Filomena Larson's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Filomena Larson enrolled in Medicare?
Yes. Filomena Larson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Filomena Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Filomena Larson reassigns Medicare benefits to 2 organizations: Gundersen Clinic Ltd (La Crosse, WI) and Gundersen Lutheran Medical Center, Inc (La Crosse, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Filomena Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Filomena Larson accept?
Health plans from Aspirus Health Plan and HealthPartners list Filomena Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Filomena Larson affiliated with any hospitals?
According to CMS data, Filomena Larson is affiliated with Gundersen Lutheran Medical Center.
When was this NPI record last updated?
The NPPES record for Filomena Larson was last updated on April 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Filomena C Larson, OD · NPI 1215933395
Optometrist provider in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since June 23, 2005.
## Identity
- **NPI:** 1215933395 (Entity type: Individual)
- **Enumerated:** June 23, 2005
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 2493 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1836 SOUTH AVE, La Crosse, WI 54601-5429
- **Phone:** (608) 782-7300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Gundersen Clinic Ltd (NPI 1851343115, La Crosse, WI); Gundersen Lutheran Medical Center, Inc (NPI 1619210895, La Crosse, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Illinois College Of Optometry At Chicago, class of 1992
## Record status
- **NPPES last updated:** April 24, 2015
- **Other identifiers:** Medicare UPIN U39774; Medicare PIN 0480 (WI); Medicaid 38590900 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1215933395) · Data from the CMS NPPES public registry.