Individual provider Active NPI

William Wallen, MD

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Indianapolis, IN
National Provider Identifier
1164827945
Registry record updated Sep 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
License
TP576 Issued in KY
Practice address
8333 Naab Rd Ste 320
Indianapolis, IN 46260-1983
Phone
(317) 338-3000
Fax
(317) 583-3099
NPI assigned
Oct 23, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X TP576 KY Primary
Student in an Organized Health Care Education/Training Program 390200000X
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X 01097512A IN

Addresses

Primary practice location

8333 Naab Rd Ste 320
Indianapolis, IN 46260-1983

Mailing address

100 Woodruff Circle
Emory School of Medicine, Suite 327
Atlanta, GA 30322
Phone (404) 727-5658

Other practice location 1

800 Rose St
Lexington, KY 40536
Phone (859) 323-1000

Other identifiers 1

IdentifierTypeStateIssuer
TP576OtherKYKY LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in KY, OH, IN3 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
I20181002002608 KY Practitioner - Cardiac SurgeryPractitioner - Thoracic Surgery 8921350943 Reassigns benefits to 2 organizations
I20250916000197 OH Practitioner - Thoracic Surgery 8921350943 Reassigns benefits to 1 organization
I20251006001068 IN Practitioner - Thoracic Surgery 8921350943 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Thoracic Surgery
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

250 W 96TH St
Suite 520
Indianapolis, IN 46260-1316

3333 Burnet Ave
Cincinnati, OH 45229-3039

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01097512AINMDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician
TP576KYMDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kentucky Medical Services Foundation, Inc CurrentSince Sep 14, 2018 Accepting new patients
University of Kentucky CurrentSince Jul 1, 2025 Accepting new patients
St Vincent Pediatric Subspecialties CurrentSince Sep 1, 2025 Accepting new patients
Children'S Hospital Medical Center CurrentSince Jun 12, 2025 Accepting new patients
St Vincent Pediatric Subspecialties CurrentSince Sep 1, 2025 Accepting new patients

Locations

3341 Solutions Ctr
Chicago, IL 60677

2001 W 86th St
Indianapolis, IN 46260
Phone (317) 338-3617

8333 Naab Rd
Ste 320
Indianapolis, IN 46260
Phone (317) 338-3000

800 Rose St
Lexington, KY 40536
Phone (859) 257-8562

2400 Greatstone Pt
Lexington, KY 40504
Phone (859) 257-9800

3333 Burnet Ave
#5021
Cincinnati, OH 45229
Phone (513) 636-4225

3333 Burnet Ave
Cincinnati, OH 45229
Phone (513) 636-4200

Interoperability endpoints

  • Direct secure messaging: wwallen22168@ukhcdirect.org

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1414022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757376000000",
    "number": "1164827945",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 WOODRUFF CIRCLE",
            "address_2": "EMORY SCHOOL OF MEDICINE, SUITE 327",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "30322",
            "telephone_number": "404-727-5658"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8333 NAAB RD STE 320",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462601983",
            "telephone_number": "317-338-3000",
            "fax_number": "317-583-3099"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "800 Rose St",
            "address_purpose": "LOCATION",
            "city": "Lexington",
            "state": "KY",
            "postal_code": "40536",
            "country_code": "US",
            "telephone_number": "859-323-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALLEN",
        "first_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-10-23",
        "last_updated": "2025-09-09",
        "certification_date": "2025-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "KY",
            "license": "TP576",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "IN",
            "license": "01097512A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KY LICENSE",
            "identifier": "TP576",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.