Individual provider Active NPI

Tianna Renea Wawrzusin, FNP-C

  • Family Nurse Practitioner
  • Horseheads, NY
National Provider Identifier
1821980715
Registry record updated Jul 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
357326 Issued in NY
Practice address
31 Arnot Rd
Horseheads, NY 14845-8533
Phone
(607) 795-5100
NPI assigned
Jul 16, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X SP033340 PA
Family Nurse Practitioner 363LF0000X 357326 NY Primary

Addresses

Primary practice location

31 Arnot Rd
Horseheads, NY 14845-8533

Mailing address

1 Guthrie SQ
Sayre, PA 18840-1625
Phone (570) 888-5858

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, PA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20250904002740 NY Practitioner - Nurse Practitioner 4284136789 Reassigns benefits to 1 organization
I20250910000585 PA Practitioner - Nurse Practitioner 4284136789 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Guthrie Medical Group PCGroup PAC ID 6002728656, shared by 5 NPIs, 795 clinicians

Practice addresses (Care Compare)

1 Guthrie SQ
Sayre, PA 18840-1625
Phone (570) 888-5858

3344 Chambers Rd
Horseheads, NY 14845-1403
Phone (607) 795-5100

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
357326NYMDFamily Nurse Practitioner
SP033340PAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Guthrie Medical Group, P.C. CurrentSince Sep 1, 2025 Accepting new patients
Guthrie Medical Group, P.C. CurrentSince Sep 1, 2025 Accepting new patients
Guthrie Medical Group, P.C. CurrentSince Sep 1, 2025 Accepting new patients
Guthrie Medical Group, P.C. Current Accepting new patients

Locations

130 Center Way
Corning, NY 14830
Phone (607) 936-9971

1336 Cedar St
Elmira, NY 14904
Phone (607) 734-3929

3344 Chambers Rd
Horseheads, NY 14845
Phone (607) 734-2264

1 Guthrie Sq
Sayre, PA 18840
Phone (570) 887-3106

Interoperability endpoints

  • Direct secure messaging: tpeake50127@direct-guthrie.org

Organizations & group practices 4

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.

Hospital & facility affiliations 3

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": "1752624000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753142400000",
    "number": "1821980715",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GUTHRIE SQ",
            "city": "SAYRE",
            "state": "PA",
            "postal_code": "188401625",
            "telephone_number": "570-888-5858"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "31 ARNOT RD",
            "city": "HORSEHEADS",
            "state": "NY",
            "postal_code": "148458533",
            "telephone_number": "607-795-5100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WAWRZUSIN",
        "first_name": "TIANNA",
        "middle_name": "RENEA",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-16",
        "last_updated": "2025-07-22",
        "certification_date": "2025-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "PA",
            "license": "SP033340",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "357326",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Horseheads, NY

Sources for this page

Verify at the official NPI Registry.