Individual provider Active NPI

Aaron Bisig, MD

  • Diagnostic Radiology Physician
  • Louisville, KY
National Provider Identifier
1851852537
Registry record updated Jun 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
70673 Issued in TN
Practice address
4000 Kresge Way
Louisville, KY 40207-4605
Phone
(502) 896-9793
NPI assigned
Mar 26, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 70673 TN Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

4000 Kresge Way
Louisville, KY 40207-4605

Mailing address

4000 Kresge Way
Louisville, KY 40207-4605

Other practice location 1

3601 The Vanderbilt Clinic
Nashville, TN 37232-2632
Phone (615) 322-3000

Other practice location 2

1430 Tulane Ave # Sl50
New Orleans, LA 70112-2632
Phone (504) 998-7809

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address abisig811322@direct.vumc.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN, KY, FL3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20240806002624 TN Practitioner - Diagnostic Radiology 6406393610
I20250710001502 KY Practitioner - Diagnostic Radiology 6406393610 Reassigns benefits to 1 organization
I20260107002092 FL Practitioner - Diagnostic Radiology 6406393610 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Kentucky College of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
X-Ray Associates of Louisville PSCGroup PAC ID 9436146818, 55 clinicians

Practice addresses (Care Compare)

2049 Massachusetts Ave NE
St Petersburg, FL 33703-3403
Phone (502) 895-5405

4000 Kresge Way
Louisville, KY 40207-4605
Phone (502) 897-8121

Hospital & facility affiliations

  • Baptist Health Louisville Hospital, Louisville, KY, CCN 180130
  • Baptist Health Lagrange Hospital, La Grange, KY, CCN 180138
  • Norton Hospitals, Inc Hospital, Louisville, KY, CCN 180088

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
70673TNMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
X-Ray Associates of Louisville PSC Diagnostic Radiology CurrentSince Aug 1, 2025 Accepting new patients
Tuhc Radiology Group LLC Diagnostic Radiology PastSince Jul 1, 2024 Accepting new patients
Radiology Associates Inc Diagnostic Radiology Past Accepting new patients

Locations

4000 Kresge Way
St Matthews, KY 40207
Phone (502) 459-7902

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 and National Provider Directory roles.

Hospital & facility affiliations 16

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

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750118400000",
    "number": "1851852537",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 KRESGE WAY",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402074605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 KRESGE WAY",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402074605",
            "telephone_number": "502-896-9793"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3601 The Vanderbilt Clinic",
            "address_purpose": "LOCATION",
            "city": "Nashville",
            "state": "TN",
            "postal_code": "372322632",
            "country_code": "US",
            "telephone_number": "615-322-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1430 Tulane Ave # Sl50",
            "address_purpose": "LOCATION",
            "city": "New Orleans",
            "state": "LA",
            "postal_code": "701122632",
            "country_code": "US",
            "telephone_number": "504-998-7809",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BISIG",
        "first_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-26",
        "last_updated": "2025-06-17",
        "certification_date": "2025-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TN",
            "license": "70673",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "abisig811322@direct.vumc.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Health Information Service Provider",
            "address_1": "3601 The Vanderbilt Clinic",
            "city": "Nashville",
            "state": "TN",
            "country_code": "US",
            "postal_code": "372322632",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Louisville, KY

Sources for this page

Verify at the official NPI Registry.