JOHN CHRISTOS STYLIARAS MD
NPI 1871720201
Neurological Surgery in La Crosse, WI
About John Christos Styliaras Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN CHRISTOS STYLIARAS MD (NPI 1871720201) is an individual neurological surgery provider in La Crosse, Wisconsin, licensed in Wisconsin (3421-320) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital Of Carbondale, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
John Christos Styliaras Md 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
6Medicare enrollment records show John Styliaras reassigns Medicare billing to 6 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
- 1,003 clinicians in this Medicare group
Winona, MN 55987
- Reassigned Medicare billing, Minnesota enrollment
- 330 clinicians in this Medicare group
Osseo, WI 54758
- Reassigned Medicare billing, Wisconsin enrollment
- 1,248 clinicians in this Medicare group
Colfax, IA 50054
- Reassigned Medicare billing, Iowa enrollment
- 516 clinicians in this Medicare group
Fargo, ND 58102
- Reassigned Medicare billing, North Dakota enrollment
- 1,464 clinicians in this Medicare group
Carbondale, IL 62901
- Reassigned Medicare billing, Illinois enrollment
- 702 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 11
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.
Memorial Hospital Of Carbondale
Acute Care Hospitals · Carbondale, ILMercyone Des Moines Medical Center
Acute Care Hospitals · Des Moines, IAWinona Health Services
Acute Care Hospitals · Winona, MNSanford Medical Center Fargo
Acute Care Hospitals · Fargo, NDMayo Clinic Health System-Franciscan Medical Center Inc
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
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 John Styliaras's NPI number?
The NPI number for John Styliaras is 1871720201. It was assigned to this individual provider in the NPPES registry on June 11, 2009.
Where is John Styliaras located?
John Styliaras practices at 800 West Ave S, La Crosse, WI 54601. The listed phone number is (608) 785-0940.
What is John Styliaras's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is John Styliaras enrolled in Medicare?
Yes. John Styliaras 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 John Styliaras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Styliaras reassigns Medicare benefits to 6 organizations: Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI), Winona Health Services (Winona, MN), Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Osseo, WI), Mercy Clinics Inc (Colfax, IA), Sanford Medical Center Fargo (Fargo, ND) and 1 more organization, listed in the Medicare section above. 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 John Styliaras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Styliaras accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of North Dakota and HealthPartners and 4 other insurers list John Styliaras 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 John Styliaras affiliated with any hospitals?
According to CMS data, John Styliaras is affiliated with Memorial Hospital Of Carbondale, Mercyone Des Moines Medical Center, Winona Health Services, Sanford Medical Center Fargo and Mayo Clinic Health System-Franciscan Medical Center Inc.
When was this NPI record last updated?
The NPPES record for John Styliaras was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# John Christos Styliaras, MD · NPI 1871720201
Neurological Surgery physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since June 11, 2009.
## Identity
- **NPI:** 1871720201 (Entity type: Individual)
- **Enumerated:** June 11, 2009
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** 3421-320 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 WEST AVE S, La Crosse, WI 54601-8806
- **Phone:** (608) 785-0940
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1629056049, La Crosse, WI); Winona Health Services (NPI 1295789352, Winona, MN); Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (NPI 1083140990, Osseo, WI); Mercy Clinics Inc (NPI 1831110816, Colfax, IA); Sanford Medical Center Fargo (NPI 1952323974, Fargo, ND); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** February 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1871720201) · Data from the CMS NPPES public registry.