Hayley Michelle Grzych, MD

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

01096111A Issued in IN

Practice address

705 Riley Hospital Dr
Indianapolis, IN 46202-5109

Phone

(317) 274-4779

Fax

(317) 948-9806

NPI assigned

Mar 18, 2019

Last updated

Feb 14, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MO

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: hgrzych40309@direct.eskenazihealth.edu

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.

• University Pediatric Associates, Inc.

  • Pediatrics Physician
  • Indianapolis, IN
  • NPI 1457396541
  NPD

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

{
    "created_epoch": "1552867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771027200000",
    "number": "1821557810",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 719094",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606779318",
            "telephone_number": "317-777-6435",
            "fax_number": "317-777-6644"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "705 RILEY HOSPITAL DR",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462025109",
            "telephone_number": "317-274-4779",
            "fax_number": "317-948-9806"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRZYCH",
        "first_name": "HAYLEY",
        "middle_name": "MICHELLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-18",
        "last_updated": "2026-02-14",
        "certification_date": "2026-02-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "IN",
            "license": "01096111A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300112214",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ieva Grundy, BSW
• Jeni Sylese Grundy, NP
• Mycheale Grundy
• Shelby Gruner
• Nicholas J Grunloh, PA-C
• GTG Home Health
• Riley Guard, OTD, OTR
• Guardian Angels Collaborative Care, LLC
• Guardian Angels Home Care LLC
• Guardian Families Home Care LLC

• Neonatal-Perinatal Medicine Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Neonatal-Perinatal Medicine Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 14, 2026; 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.