Individual provider Active NPI

Alyx Debra Posorske, MD

  • Neonatal-Perinatal Medicine Physician
  • Indianapolis, IN
National Provider Identifier
1205332707
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
01085719A Issued in IN
Practice address
705 Riley Hospital Dr
Indianapolis, IN 46202-5109
Phone
(317) 274-4779
Fax
(317) 948-9806
NPI assigned
Apr 3, 2018
Last updated
Mar 10, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal-Perinatal Medicine Physician 2080N0001X 01085719A IN Primary

Addresses

Primary practice location

705 Riley Hospital Dr
Indianapolis, IN 46202-5109

Mailing address

PO Box
Chicago, IL 60677-9318
Phone (317) 777-6435

Other identifiers 1

IdentifierTypeStateIssuer
300052364MedicaidIN

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
I20250516000203 IN Practitioner - Pediatric Medicine 1759636582 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
Saint Louis University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
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 (888) 484-3258

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University Pediatric Associates, Inc. Pediatrics CurrentSince Mar 9, 2025 Accepting new patients
Iu Health Medical Group Riley Specialists, LLC Pediatrics CurrentSince Jan 1, 2026 Accepting new patients

Locations

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

Interoperability endpoints

  • Direct secure messaging: aposorske87387@direct.eskenazihealth.edu

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.

NPI Registry JSON

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

{
    "created_epoch": "1522713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1205332707",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX",
            "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": "POSORSKE",
        "first_name": "ALYX",
        "middle_name": "DEBRA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-03",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "IN",
            "license": "01085719A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300052364",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

Verify at the official NPI Registry.