Stephanie Rae Mastny, APRN C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

110402 Issued in NE

Practice address

908 N Howard Ave
Ste 109
Grand Island, NE 68803-3529

Phone

(308) 380-3498

NPI assigned

Jan 18, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NE

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Alegent Creighton ClinicGroup PAC ID 1951210418, 951 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• CHI Health St. Francis Hospital, Grand Island, NE, CCN 280023

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Alegent Creighton Clinic

  • Family Medicine Physician
  • Omaha, NE
  • NPI 1548287907
  Medicare reassignment Care Compare group NPD
• CHI Health Clinic Specialty, LLC

  • Hospitalist Physician
  • Lincoln, NE
  • NPI 1285138065
  NPD (past)
• Alegent Creighton Clinic

  • Family Medicine Physician
  • Council Bluffs, IA
  • NPI 1598811069
  NPD (past)

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

• Saint Francis Medical Center

  • General Acute Care Hospital
  • Grand Island, NE
  • NPI 1982675955
  Care Compare affiliation

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

{
    "created_epoch": "1137542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1376523258",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2530 NORTH SHERIDAN AVE",
            "city": "GRAND ISLAND",
            "state": "NE",
            "postal_code": "68803",
            "telephone_number": "308-398-5522",
            "fax_number": "308-398-5523"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "908 N HOWARD AVE",
            "address_2": "STE 109",
            "city": "GRAND ISLAND",
            "state": "NE",
            "postal_code": "688033529",
            "telephone_number": "308-380-3498"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTNY",
        "first_name": "STEPHANIE",
        "middle_name": "RAE",
        "name_prefix": "Mrs.",
        "credential": "APRN C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-18",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NE",
            "license": "49832",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NE",
            "license": "110402",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Janixa Martinez
• Lourdes Esther Martinez
• Maria T Martinez
• Olivia Tamayo Martinez
• Sarah J. Martinez
• Veronica Mathews
• Naomi Jean Matthews, M.D.
• Paige Maughan
• Karmin Maul
• Heidi Ann Maus, MSED, LIMHP

• Family Nurse Practitioner in Grand Island, NE
• Providers in Grand Island, NE by specialty
• Family Nurse Practitioner in Nebraska

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 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.
• 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.