Amy L. Holthouser, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

40653 Issued in KY

Practice address

231 E Chestnut St
Louisville, KY 40202-1821

Phone

(502) 629-4750

Fax

(502) 629-4617

NPI assigned

Dec 13, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 2

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in KY

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

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Quality

97.07

Promoting interoperability

100

Improvement activities

40

Cost

76.49

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kholthouser106087@direct.nortonhealthcare.org
• Direct secure messaging: aholthouser45629@direct.nortonhealthcare.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.

• Norton Children'S Medical Group, LLC

  • Psychiatry Physician
  • Louisville, KY
  • NPI 1457999096
  Medicare reassignment NPD
• University of Louisville Physicians, Inc.

  • Internal Medicine Physician
  • Louisville, KY
  • NPI 1366722316
  Medicare reassignment NPD
• Norton Children'S Medical Group, LLC

  • Hospitalist Physician
  • Louisville, KY
  • NPI 1316584691

  Internal Medicine

  NPD
• Norton Children'S Medical Group, LLC

  • Pediatric Radiology Physician
  • Louisville, KY
  • NPI 1659913812
  NPD
• University of Louisville Physicians, Inc.

  • Diagnostic Radiology Physician
  • Louisville, KY
  • NPI 1316294127
  NPD
• University of Louisville Physicians, Inc.

  • Psychiatry Physician
  • Louisville, KY
  • NPI 1831443472
  NPD
• Norton Hospitals, Inc

  • General Acute Care Hospital
  • Louisville, KY
  • NPI 1891799227
  NPD (past)
• University Medical Associates

  • Internal Medicine Physician
  • Louisville, KY
  • NPI 1417902925
  NPD (past)

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

{
    "created_epoch": "1165968000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1083775993",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776879",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776879",
            "telephone_number": "502-588-9490",
            "fax_number": "502-272-5116"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "231 E CHESTNUT ST",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402021821",
            "telephone_number": "502-629-4750",
            "fax_number": "502-629-4617"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4199 Gateway Blvd",
            "address_purpose": "LOCATION",
            "city": "Newburgh",
            "state": "IN",
            "postal_code": "476308940",
            "country_code": "US",
            "telephone_number": "812-842-4200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLTHOUSER",
        "first_name": "AMY",
        "middle_name": "L.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-13",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "KY",
            "license": "40653",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "KY",
            "license": "40653",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IN",
            "license": "01098239A",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "KY",
            "license": "40653",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "64127806",
            "state": "KY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200864140",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicsoap.nortonhealthcare.org/FHIRPRD/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "231 E Chestnut St",
            "city": "Louisville",
            "state": "KY",
            "country_code": "US",
            "postal_code": "402021821",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kholthouser106087@direct.nortonhealthcare.org",
            "affiliation": "N",
            "address_1": "201 Abraham Flexner Way",
            "address_2": "#1001",
            "city": "Louisville",
            "state": "KY",
            "country_code": "US",
            "postal_code": "402023841",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Patrick Holt, MS. CCC/SLP
• Richard T Holt, MD
• Taryn Renee Holt, PHARMD
• Tracy Ryan Holt, APRN
• Wendy Jean Holt, OTR/L
• Kristine A Holthouser
• John Bernard Holtman, DMD PSC
• Judy H. Holtman, M.D.
• Katherine Anne Holtz, PA-C
• Rose Holum

• Internal Medicine Physician in Louisville, KY
• Providers in Louisville, KY by specialty
• Internal Medicine Physician in Kentucky

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 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.