Stephen Mathias Endres, MD

Primary specialty

Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X

License

26650 Issued in WI

Practice address

1221 Whipple St
Eau Claire, WI 54703-5270

Phone

(715) 552-5346

NPI assigned

Mar 14, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WI

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 1

Specialty

Interventional Pain ManagementAlso: Anesthesiology

Education

University of Minnesota Medical School, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mayo Clinic Health System-Northwest Wisconsin Region IncGroup PAC ID 4385553627, shared by 21 NPIs, 797 clinicians

Mayo Clinic Health System-Southwest Wisconsin Region IncGroup PAC ID 0345152443, 539 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mayo Clinic Health System Eau Claire Hospital Hospital, Eau Claire, WI, CCN 520070
• Mayo Clinic Health System-Franciscan Medical Center Inc Hospital, La Crosse, WI, CCN 520004
• Mayo Clinic Health System Chippewa Valley Hospital, Bloomer, WI, CCN 521314
• Mayo Clinic Health System-Red Cedar Inc Hospital, Menomonie, WI, CCN 521340
• Mayo Clinic Health System-Northland Hospital, Barron, WI, CCN 521315

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sendres42909@ehrdirect.mayoclinicmsg.org

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.

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

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

  • Critical Access Hospital
  • Menomonie, WI
  • NPI 1154372944
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

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

  • Critical Access Hospital
  • Barron, WI
  • NPI 1740239557
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Critical Access Hospital
  • Osseo, WI
  • NPI 1912958026
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

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

  • Multi-Specialty Clinic/Center
  • La Crosse, WI
  • NPI 1942980917
  NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Critical Access Hospital
  • Bloomer, WI
  • NPI 1700837812
  NPD (past)
• Nura PLLC

  • Pain Medicine Physician
  • Minneapolis, MN
  • NPI 1750316014
  NPD (past)

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

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

  • Critical Access Hospital
  • Menomonie, WI
  • NPI 1154372944
  Care Compare affiliation
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • General Acute Care Hospital
  • Eau Claire, WI
  • NPI 1629027578
  Care Compare affiliation
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Critical Access Hospital
  • Bloomer, WI
  • NPI 1700837812
  Care Compare affiliation
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Critical Access Hospital
  • Barron, WI
  • NPI 1740239557
  Care Compare affiliation
• Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

  • General Acute Care Hospital
  • La Crosse, WI
  • NPI 1801874227
  Care Compare affiliation

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

{
    "created_epoch": "1142294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1851360986",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "address_2": "PROVIDER ENROLLMENT - MCHS WI",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "715-838-5222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1221 WHIPPLE ST",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547035270",
            "telephone_number": "715-552-5346"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 Bellinger St",
            "address_purpose": "LOCATION",
            "city": "Eau Claire",
            "state": "WI",
            "postal_code": "547035222",
            "country_code": "US",
            "telephone_number": "715-838-5222",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ENDRES",
        "first_name": "STEPHEN",
        "middle_name": "MATHIAS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-14",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "WI",
            "license": "26650",
            "primary": false
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "WI",
            "license": "26650",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sendres42909@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "1221 Whipple St",
            "city": "Eau Claire",
            "state": "WI",
            "country_code": "US",
            "postal_code": "547035270",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Marcelyn Elwood, LCSW
• Ashley Kathleen Lester Emmer, AUD
• Melissa L Emmerich, MD
• Gene George Enders, MD
• Sandra Lynn Endle, MS-CF-SLP
• McKenna Annmarie Endvick, MS CF-SLP
• Wendi Jean Engum
• Kala Rae Ann Ennen
• Pamela Jean Entorf, GDH RDH BS MEPD
• Ep Monitoring Services

• Interventional Pain Medicine Physician in Eau Claire, WI
• Providers in Eau Claire, WI by specialty
• Interventional Pain Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 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.

Verify at the official NPI Registry.