Chase Michael Isenberger, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

085010417 Issued in IL

Practice address

1000 Mineral Point Ave
Janesville, WI 53548-2940

Phone

(608) 756-6868

NPI assigned

Mar 21, 2023

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

Medicare fee-for-service enrollment

Enrolled in IL, WI2 enrollments

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 2

Specialty

Physician Assistant

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Health System CorporationGroup PAC ID 7416860440, 749 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Health System Corp Hospital, Janesville, WI, CCN 520066

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cisenberger126860@direct.mhemail.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.

• Mercy Health System Corporation

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603
  Medicare reassignment Care Compare group NPD
• Mercy Health System Corporation

  • General Acute Care Hospital
  • Janesville, WI
  • NPI 1093768962
  NPD
• Mercy Health System Corporation

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  NPD

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

• Mercy Health System Corporation

  • General Acute Care Hospital
  • Janesville, WI
  • NPI 1093768962
  Care Compare affiliation

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

{
    "created_epoch": "1679356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754438400000",
    "number": "1891497020",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "538 OLD HIGHWAY 70 4",
            "city": "WHITE BLUFF",
            "state": "TN",
            "postal_code": "371874703",
            "telephone_number": "608-290-8189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 MINERAL POINT AVE",
            "city": "JANESVILLE",
            "state": "WI",
            "postal_code": "535482940",
            "telephone_number": "608-756-6868"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "538 Old Highway 70 4",
            "address_purpose": "LOCATION",
            "city": "White Bluff",
            "state": "TN",
            "postal_code": "371874703",
            "country_code": "US",
            "telephone_number": "608-290-8189",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISENBERGER",
        "first_name": "CHASE",
        "middle_name": "MICHAEL",
        "name_prefix": "Mr.",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-21",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085010417",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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

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