Michael Charles Horwath, MD, PHD

Primary specialty

Hematology (Pathology) PhysicianTaxonomy code 207ZH0000X

License

01093207A Issued in IN

Practice address

1364 Clifton Road NE RM H-184
Atlanta, GA 30332

Phone

(404) 727-8657

NPI assigned

Apr 21, 2019

Last updated

Jun 3, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

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

Specialty

Pathology

Education

University of Cincinnati College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Indiana University Health Hospital, Indianapolis, IN, CCN 150056
• Indiana University Health Arnett Hospital Hospital, Lafayette, IN, CCN 150173
• Eskenazi Health Hospital, Indianapolis, IN, CCN 150024
• Indiana University Health Ball Memorial Hospital Hospital, Muncie, IN, CCN 150089
• Indiana University Health Bloomington Hospital Hospital, Bloomington, IN, CCN 150051

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mhorwath@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• University Family Physicians, Inc.

  • Family Medicine Physician
  • Indianapolis, IN
  • NPI 1043275787
  Medicare reassignment NPD
• University Family Physicians, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Indianapolis, IN
  • NPI 1669828042
  NPD

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

• Indiana University Health Arnett Inc

  dba IU Health Arnett Hospital

  • General Acute Care Hospital
  • Lafayette, IN
  • NPI 1326296211
  Care Compare affiliation
• Indiana University Health Ball Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Muncie, IN
  • NPI 1225195340
  Care Compare affiliation
• Indiana University Health Bloomington Inc

  dba Iu Health Bloomington

  • General Acute Care Hospital
  • Bloomington, IN
  • NPI 1205860335
  Care Compare affiliation
• Indiana University Health Inc

  dba Indiana University Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1568407310
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health Midtown Narcotics Treatment Program

  • Methadone Clinic
  • Indianapolis, IN
  • NPI 1760922249

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1555804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748908800000",
    "number": "1013570415",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1364 CLIFTON ROAD NE RM H-184",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303325345",
            "telephone_number": "404-727-8657"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1364 CLIFTON ROAD NE RM H-184",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "30332",
            "telephone_number": "404-727-8657"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "350 W 11th St",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462024108",
            "country_code": "US",
            "telephone_number": "317-491-6000",
            "fax_number": "317-491-6534",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "888-484-3258",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HORWATH",
        "first_name": "MICHAEL",
        "middle_name": "CHARLES",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-21",
        "last_updated": "2025-06-03",
        "certification_date": "2025-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "IN",
            "license": "01093207A",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207ZH0000X",
            "taxonomy_group": "",
            "desc": "Pathology, Hematology",
            "state": "IN",
            "license": "01093207A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300092932",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mhorwath@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "350 W 11th St",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462024108",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mhorwath@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"
        }
    ],
    "other_names": []
}

• Dontranika Maria Horton, MD
• John Patrick Horton, M.D.
• Judith Horton, PH.D.
• Kezira Horton
• William C Horton III, MD
• Edwin Horwitz, MD
• Ray Horwitz, D.O.
• Alyssa Danielle Hosey Johnson, FNP-BC
• Celeste Christine Hosfeld, PA-C
• Jeffery Hosford

• Hematology (Pathology) Physician in Atlanta, GA
• Providers in Atlanta, GA by specialty
• Hematology (Pathology) Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 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.
• 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.