BENJAMIN S MIXIS
NPI 1932635935
Psychiatry & Neurology - Neurology in La Crosse, WI
About Benjamin S Mixis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN S MIXIS (NPI 1932635935) is an individual neurology provider in La Crosse, Wisconsin, licensed in Wisconsin (69972) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Medical Center, and maintains a secondary practice location in Madison.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Benjamin S Mixis 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
3Medicare enrollment records show Benjamin Mixis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Iowa, Minnesota and Wisconsin enrollments
- 179 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin and Minnesota enrollments
- Also billed through NPI 1376593442 (Minnesota)
- 1,457 clinicians in this Medicare group
Black River Falls, WI 54615
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1811940331 (Wisconsin)
- 227 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 6
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Elizabeth Medical Center
Critical Access Hospitals · Wabasha, MNGundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WITomah Memorial Hospital
Critical Access Hospitals · Tomah, WICrossing Rivers Health Medical Center
Critical Access Hospitals · Prairie Du Chien, WIGundersen Boscobel Area Hospital And Clinics
Critical Access Hospitals · Boscobel, 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 Benjamin Mixis's NPI number?
The NPI number for Benjamin Mixis is 1932635935. It was assigned to this individual provider in the NPPES registry on May 11, 2017.
Where is Benjamin Mixis located?
Benjamin Mixis practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Benjamin Mixis's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Benjamin Mixis enrolled in Medicare?
Yes. Benjamin Mixis 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 Benjamin Mixis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Mixis reassigns Medicare benefits to 3 organizations: Gundersen Clinic Ltd (La Crosse, WI), Gundersen Lutheran Medical Center, Inc (La Crosse, WI) and Black River Health Inc (Black River Falls, 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 Benjamin Mixis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Mixis accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz list Benjamin Mixis 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 Benjamin Mixis affiliated with any hospitals?
According to CMS data, Benjamin Mixis is affiliated with St Elizabeth Medical Center, Gundersen Lutheran Medical Center, Tomah Memorial Hospital, Crossing Rivers Health Medical Center and Gundersen Boscobel Area Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Benjamin Mixis was last updated on August 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Benjamin S Mixis · NPI 1932635935
Neurology physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since May 11, 2017.
## Identity
- **NPI:** 1932635935 (Entity type: Individual)
- **Enumerated:** May 11, 2017
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 69972 (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, power mobility devices
- **Bills Medicare through:** 3 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); Black River Health Inc (NPI 1003914011, Black River Falls, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** August 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1932635935) · Data from the CMS NPPES public registry.