Andrew Thyen, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

01094221A Issued in IN

Practice address

545 Barnhill Dr
Indianapolis, IN 46202-5112

Phone

(317) 274-4966

Fax

(317) 274-8769

NPI assigned

Mar 28, 2022

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

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IN

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: athyen@direct.iuhealth.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.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment NPD
• University Surgeons, Inc.

  • Surgery Physician
  • Indianapolis, IN
  • NPI 1316966229
  Medicare reassignment NPD
• Pediatric Surgical Associates Inc

  • Pediatric Surgery Physician
  • Indianapolis, IN
  • NPI 1790880292
  Medicare reassignment
• Iu Health Medical Group Riley Specialists, LLC

  • Pediatrics Physician
  • Indianapolis, IN
  • NPI 1699561480
  NPD (past)
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)

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

{
    "created_epoch": "1648425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1619627007",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "545 BARNHILL DR",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025112",
            "telephone_number": "317-274-4966",
            "fax_number": "317-274-8769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "545 BARNHILL DR",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025112",
            "telephone_number": "317-274-4966",
            "fax_number": "317-274-8769"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "317-963-1400",
            "fax_number": "317-968-1127",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "705 Riley Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025109",
            "country_code": "US",
            "telephone_number": "317-944-4681",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THYEN",
        "first_name": "ANDREW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-28",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IN",
            "license": "01094221A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "athyen@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1701 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021239",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "athyen@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "705 Riley Hospital Dr",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Marisa Catherine Thurn, L.M.T.
• Jennifer Brooke Thurston, LCSW
• John Bradley Thurston, MD
• Virginia C. Thurston, PH.D.
• Ashima Thusu, MD
• Rachael Thyen
• John Thygesen
• Thankam Paul Thyvalikakath, DMD, PHD
• Jack Tiahnybik, DO
• Sophia Tial

• Surgery Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Surgery Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.