Timothy Mess, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

3132-23 Issued in WI

Practice address

1200 Oakleaf Way Ste a
Altoona, WI 54720-2217

Phone

(715) 832-1400

Fax

(715) 832-4187

NPI assigned

Jun 11, 2013

Last updated

Jun 4, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Chippewa Valley Orthopedics and Sports Medicine Clinic SCGroup PAC ID 7618948399, 30 clinicians

Advantage Physical Therapy and Sports Rehab, LLCGroup PAC ID 8022016336, shared by 3 NPIs, 289 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Oakleaf Surgical Hospital Hospital, Altoona, WI, CCN 520196
• Aspirus Stanley Hospital Hospital, Stanley, WI, CCN 521311

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: trmess@cvosm.emadirect.md

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Chippewa Valley Orthopedics and Sports Medicine Clinic SC

  • Orthopaedic Surgery Physician
  • Altoona, WI
  • NPI 1699778829
  Medicare reassignment Care Compare group
• Chippewa Valley Orthopedics and Sports Medicine Clinic, SC

  • Physical Therapy Clinic/Center
  • Rice Lake, WI
  • NPI 1023884376
  NPD
• Medical X-Ray Consultants, LTD

  • Vascular & Interventional Radiology Physician
  • Alexandria, MN
  • NPI 1386601383

  Physician Assistant

  NPD (past)

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

• Aspirus Stanley Hospital & Clinics, Inc

  dba Aspirus Pharmacy - Stanley

  • Community/Retail Pharmacy
  • Stanley, WI
  • NPI 1578272266

  Hospital

  Care Compare affiliation
• Aspirus Stanley Hospital & Clinics, Inc.

  dba Aspirus Stanley Hospital

  • Critical Access Hospital
  • Stanley, WI
  • NPI 1053391730
  Care Compare affiliation
• Oak Leaf Surgical Hospital LLC

  • Special Hospital
  • Altoona, WI
  • NPI 1669463832
  Care Compare affiliation

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

{
    "created_epoch": "1370908800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780531200000",
    "number": "1922446020",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 OAKLEAF WAY STE A",
            "city": "ALTOONA",
            "state": "WI",
            "postal_code": "547202217"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 OAKLEAF WAY STE A",
            "city": "ALTOONA",
            "state": "WI",
            "postal_code": "547202217",
            "telephone_number": "715-832-1400",
            "fax_number": "715-832-4187"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESS",
        "first_name": "TIMOTHY",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-11",
        "last_updated": "2026-06-04",
        "certification_date": "2026-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "WI",
            "license": "313223",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "3132-23",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "WI",
            "license": "313223",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bdcarlson@cvosm.gwaydirect.com",
            "affiliation": "N",
            "address_1": "1200 OakLeaf Way",
            "address_2": "Suite A",
            "city": "Altoona",
            "state": "WI",
            "country_code": "US",
            "postal_code": "547202245",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jennifer M McCommons, PA-C
• MCHS Hospitals Inc (Marshfield Clinic Altoona Sports Therapy and Rehab Center)
• MCHS Hospitals Inc (Marshfield Clinic Altoona Sports Therapy and Rehab Center)
• Ashley Merritt
• Shawna Rose Mess, PA-C
• Stephanie Meyer
• M. Drew Millington, D.D.S.
• Misfitz Services LLC
• Moriah Mizer
• MK Care, LLC (Visiting Angels)

• Physician Assistant in Altoona, WI
• Providers in Altoona, WI by specialty
• Physician Assistant in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 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.