Nathan Anthony Barnes

Primary specialty

Physical TherapistTaxonomy code 225100000X

License

17491-24 Issued in WI

Practice address

10460 W Innovation Dr Ste 102
Wauwatosa, WI 53226-4881

Phone

(414) 563-1230

NPI assigned

Aug 18, 2025

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Specialty

Physical Therapist in Private Practice

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Independent Physicians of Wisconsin LLCGroup PAC ID 3274842034, 42 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nathan.barnes.1@18758.direct.athenahealth.com

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.

• Independent Physicians of Wisconsin, LLC

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1871975920
  Medicare reassignment Care Compare group NPD
• Independent Physicians of Wisconsin, LLC

  • Durable Medical Equipment & Medical Supplies
  • Kenosha, WI
  • NPI 1588255996
  NPD

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

{
    "created_epoch": "1755475200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1427935840",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "451 E ERIE ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532026159",
            "telephone_number": "414-272-8482",
            "fax_number": "414-272-2880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10460 W INNOVATION DR STE 102",
            "city": "WAUWATOSA",
            "state": "WI",
            "postal_code": "532264881",
            "telephone_number": "414-563-1230"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "136 N Main St # 308",
            "address_purpose": "LOCATION",
            "city": "Thiensville",
            "state": "WI",
            "postal_code": "530921606",
            "country_code": "US",
            "telephone_number": "262-518-0030",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "451 E Erie St",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532026159",
            "country_code": "US",
            "telephone_number": "414-272-8482",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARNES",
        "first_name": "NATHAN",
        "middle_name": "ANTHONY",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-08-18",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "WI",
            "license": "17491-24",
            "primary": true
        },
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Callie Barfield, MA, LPC
• Gonzalo Barinaga, M.D.
• Subhadeep Barman, M.D.
• Karen L Barnes, PT
• Kathleen Grace Barnes, PA
• James H Barnett, M.D.
• Adrienne Ruth Barnosky, D.O.
• Elizabeth Louise Baron, O.D.
• Laurie Bartels, LCSW
• Afton Bartol, LPC-IT

• Physical Therapist in Wauwatosa, WI
• Providers in Wauwatosa, WI by specialty
• Physical Therapist in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.