John Christos Styliaras, MD

Primary specialty

Neurological Surgery PhysicianTaxonomy code 207T00000X

License

3421-320 Issued in WI

Practice address

800 West Ave S
La Crosse, WI 54601-8806

Phone

(608) 785-0940

NPI assigned

Jun 11, 2009

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 6

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MN, WI, IA, IL, ND5 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 5

Specialty

Neurology

Education

Georgetown University School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Clinics IncGroup PAC ID 7911810882, 441 clinicians

Sanford Medical Center FargoGroup PAC ID 8426967803, 1,210 clinicians

Southern Illinois Medical Services NFPGroup PAC ID 3678677390, 331 clinicians

Winona Health ServicesGroup PAC ID 8527977420, 160 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Winona Health Services Hospital, Winona, MN, CCN 240044
• Sanford Medical Center Fargo Hospital, Fargo, ND, CCN 350011
• Mayo Clinic Health System-Franciscan Medical Center Inc Hospital, La Crosse, WI, CCN 520004
• Mercyone Des Moines Medical Center Hospital, Des Moines, IA, CCN 160083

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Sanford Medical Center Fargo

  • Family Medicine Physician
  • West Fargo, ND
  • NPI 1184917924
  Medicare reassignment Care Compare group NPD
• Southern Illinois Medical Services, NFP

  • Internal Medicine Physician
  • Carbondale, IL
  • NPI 1770656837
  Medicare reassignment Care Compare group NPD
• Winona Health Services

  • General Acute Care Hospital
  • Winona, MN
  • NPI 1295789352
  Medicare reassignment Care Compare group NPD
• Mercy Clinics, Inc.

  • Primary Care Clinic/Center
  • Clive, IA
  • NPI 1487670923
  Medicare reassignment Care Compare group
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • Eau Claire, WI
  • NPI 1235588831
  Medicare reassignment NPD
• Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • La Crosse, WI
  • NPI 1629056049
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Rural Health Clinic/Center
  • Mondovi, WI
  • NPI 1174116669
  NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • Bloomer, WI
  • NPI 1548796444
  NPD
• Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • La Crosse, WI
  • NPI 1942980917
  NPD
• Mercy Clinics, Inc

  • Neurological Surgery Physician
  • Des Moines, IA
  • NPI 1164762555
  NPD
• Mercy Clinics, Inc.

  • Obstetrics & Gynecology Physician
  • Des Moines, IA
  • NPI 1508741505
  NPD
• Sanford Medical Center Fargo

  • Rural Health Clinic/Center
  • Lamoure, ND
  • NPI 1164439196
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

  • General Acute Care Hospital
  • La Crosse, WI
  • NPI 1801874227
  Care Compare affiliation
• Catholic Health Initiatives - Iowa Corp

  • General Acute Care Hospital
  • West Des Moines, IA
  • NPI 1538395975
  Care Compare affiliation
• Catholic Health Initiatives-Iowa Corp

  • Clinical Medical Laboratory
  • Des Moines, IA
  • NPI 1104982743

  Hospital

  Care Compare affiliation
• Catholic Health Initiatives-Iowa Corp

  • General Acute Care Hospital
  • Des Moines, IA
  • NPI 1508964883
  Care Compare affiliation
• Catholic Health Initiatives, Ia-Corp

  • Mammography Clinic/Center
  • Des Moines, IA
  • NPI 1477984367

  Hospital

  Care Compare affiliation
• Sanford Health of Northern Minnesota

  • Ambulatory Surgical Clinic/Center
  • Bemidji, MN
  • NPI 1093876922

  Hospital

  Care Compare affiliation
• Sanford Medical Center Fargo

  • Family Medicine Physician
  • West Fargo, ND
  • NPI 1184917924

  Hospital

  Care Compare affiliation
• Sanford Medical Center Fargo

  • General Acute Care Hospital
  • Fargo, ND
  • NPI 1245519081
  Care Compare affiliation
• Sanford Medical Center Fargo

  • General Acute Care Hospital
  • Fargo, ND
  • NPI 1528009412
  Care Compare affiliation
• Sanford Medical Center Fargo

  • Air Ambulance
  • Fargo, ND
  • NPI 1942415468

  Hospital

  Care Compare affiliation
• Winona Health Services

  • General Acute Care Hospital
  • Winona, MN
  • NPI 1295789352
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1244678400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1871720201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "608-785-0940"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WEST AVE S",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546018806",
            "telephone_number": "608-785-0940"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1012 E 2nd St # Street4",
            "address_purpose": "LOCATION",
            "city": "Duluth",
            "state": "MN",
            "postal_code": "558052200",
            "country_code": "US",
            "telephone_number": "218-249-2450",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "305 W Jackson St Ste 100",
            "address_purpose": "LOCATION",
            "city": "Carbondale",
            "state": "IL",
            "postal_code": "629011474",
            "country_code": "US",
            "telephone_number": "618-351-4972",
            "fax_number": "618-351-4973",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1111 6th Ave Ste B1",
            "address_purpose": "LOCATION",
            "city": "Des Moines",
            "state": "IA",
            "postal_code": "503142610",
            "country_code": "US",
            "telephone_number": "515-358-0100",
            "fax_number": "515-358-0109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STYLIARAS",
        "first_name": "JOHN",
        "middle_name": "CHRISTOS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-06-11",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "PA",
            "license": "MT195822",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "MN",
            "license": "60923",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "KS",
            "license": "04-44082",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "WI",
            "license": "3421-320",
            "primary": true
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "IA",
            "license": "MD-55889",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "IL",
            "license": "036178099",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jstyliaras86538@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "305 W Jackson St Ste 100",
            "city": "Carbondale",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629011474",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Trisha Stroyny, PHARMD
• Joyce Strub, MT
• Bonita E Stubbendick, LPC
• Eric J Stull, D.D.S.
• Robert J Stupi, AA
• Yutao Su, MD
• Sandra Milena Suarez Hoyos, M.D.
• Sarah Ann Suarez, PA-C
• Aubryana Sullivan
• Brooklynn Elizabeth Sullivan

• Neurological Surgery Physician in La Crosse, WI
• Providers in La Crosse, WI by specialty
• Neurological Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 2026; 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.

Verify at the official NPI Registry.