Individual provider Active NPI

Tucker Henry Trefz, PA

  • Physician Assistant
  • Onalaska, WI
National Provider Identifier
1710616933
Registry record updated Oct 31, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
7625 Issued in WI
Practice address
191 Theater Road
Onalaska, WI 54650
Phone
(608) 392-5000
NPI assigned
Jun 6, 2022
Last updated
Oct 31, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 31, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 7625 WI Primary

Addresses

Primary practice location

191 Theater Road
Onalaska, WI 54650

Mailing address

200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Other practice location 1

101 7th St SW
Orange City, IA 51041-1996
Phone (563) 210-0201

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ttrefz2024863@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20231101001798 WI Practitioner - Physician Assistant 8628424306 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mayo Clinic Health System-Southwest Wisconsin Region IncGroup PAC ID 0345152443, shared by 9 NPIs, 539 clinicians

Practice addresses (Care Compare)

800 E Blackhawk Ave
Prairie Du Chien, WI 53821-1698
Phone (608) 326-0808

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Oct 20, 2023 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Dec 29, 2025 Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Oct 20, 2023 Accepting new patients

Locations

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

191 Theater Rd
Onalaska, WI 54650
Phone (608) 392-5000

800 E Blackhawk Ave
Prairie du Chien, WI 53821
Phone (608) 326-0808

310 W Main St
Sparta, WI 54656
Phone (608) 269-1700

Organizations & group practices 3

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1654473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1698710400000",
    "number": "1710616933",
    "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": "507-284-2511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "191 THEATER ROAD",
            "city": "ONALASKA",
            "state": "WI",
            "postal_code": "54650",
            "telephone_number": "608-392-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 7th St SW",
            "address_purpose": "LOCATION",
            "city": "Orange City",
            "state": "IA",
            "postal_code": "510411996",
            "country_code": "US",
            "telephone_number": "563-210-0201",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TREFZ",
        "first_name": "TUCKER",
        "middle_name": "HENRY",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-06-06",
        "last_updated": "2023-10-31",
        "certification_date": "2023-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "7625",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ttrefz2024863@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "191 Theater Road",
            "city": "Onalaska",
            "state": "WI",
            "country_code": "US",
            "postal_code": "54650",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Onalaska, WI

Sources for this page

Verify at the official NPI Registry.