Individual provider Active NPI

Mark H Hoyer, MD

  • Pediatric Cardiology Physician
  • Indianapolis, IN
National Provider Identifier
1013020353
Registry record updated Jul 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
01052865A Issued in IN
Practice address
1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone
(317) 678-3900
NPI assigned
Aug 17, 2006
Last updated
Jul 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Cardiology Physician 2080P0202X 01052865A IN Primary
Pediatric Cardiology Physician 2080P0202X 01052865 IN

Addresses

Primary practice location

1701 N Senate Blvd
Indianapolis, IN 46202-1239

Mailing address

250 N Shadeland Ave
Indianapolis, IN 46219-4959

Other practice location 1

705 Riley Hospital Dr
RR 127
Indianapolis, IN 46202-5109
Phone (317) 274-8906

Other identifiers 1

IdentifierTypeStateIssuer
200281400MedicaidIN

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mhoyer@direct.iuhealth.org Direct
Direct Messaging Address MHOYER@direct.iuhealth.org

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20101207001316 IN Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Pediatric Medicine 3577750207 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Pediatric Medicine
Education
Ohio State University College of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Pediatric Associates IncGroup PAC ID 2163326794, 100 clinicians
Iu Health Medical Group Riley Specialists LLCGroup PAC ID 9638669815, 285 clinicians

Practice addresses (Care Compare)

705 Riley Hospital Dr
Indianapolis, IN 46202-5109
Phone (317) 944-5000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01052865INMDPediatric Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Pediatric Associates, Inc. CurrentSince Oct 1, 2000 Accepting new patients
Iu Health Medical Group Riley Specialists, LLC CurrentSince Jan 1, 2026 Accepting new patients

Locations

250 N Shadeland Ave
Indianapolis, IN 46219
Phone (317) 948-9174

705 Riley Hospital Dr
#127
Indianapolis, IN 46202
Phone (317) 274-8906

1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754

705 Riley Hospital Dr
Indianapolis, IN 46202
Phone (317) 274-4779

705 Riley Hospital Dr
#1134
Indianapolis, IN 46202
Phone (317) 944-8906

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1155772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1013020353",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1701 N SENATE BLVD",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462021239",
            "telephone_number": "317-678-3900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "705 Riley Hospital Dr",
            "address_2": "RR 127",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025109",
            "country_code": "US",
            "telephone_number": "317-274-8906",
            "fax_number": "317-274-4022",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOYER",
        "first_name": "MARK",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-17",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "IN",
            "license": "01052865A",
            "primary": true
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "IN",
            "license": "01052865",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200281400",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mhoyer@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": "MHOYER@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "705 Riley Hospital Dr",
            "address_2": "RR 127",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.