Tonya Kay Kozdron, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

4704301403 Issued in MI

Practice address

800 S Washington Ave
Saginaw, MI 48601-2551

Phone

(989) 907-8766

NPI assigned

Sep 14, 2023

Last updated

Nov 17, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

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

Saginaw Valley Medical College - NLG, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mymichigan Medical GroupGroup PAC ID 4981501939, 174 clinicians

Mymichigan Medical Center MidlandGroup PAC ID 2264323633, 507 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mymichigan Medical Center Saginaw Hospital, Saginaw, MI, CCN 230077

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tkozdron1135180@direct.hfhs.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.

• Mymichigan Medical Center Midland

  • Multi-Specialty Clinic/Center
  • Midland, MI
  • NPI 1205889490

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Mymichigan Medical Group

  • Multi-Specialty Clinic/Center
  • Midland, MI
  • NPI 1689623506
  Medicare reassignment Care Compare group NPD
• Art of Radiology Imaging Associates, PLLC

  • Diagnostic Radiology Physician
  • Grand Blanc, MI
  • NPI 1003571076
  Medicare reassignment NPD
• Mymichigan Medical Center Alpena

  dba MyMichigan Family Medicine

  • Rural Health Clinic/Center
  • Alpena, MI
  • NPI 1144722604
  NPD
• Mymichigan Medical Center Midland

  • Anesthesiology Physician
  • Midland, MI
  • NPI 1649010455
  NPD
• Mymichigan Medical Group

  • Internal Medicine Physician
  • Midland, MI
  • NPI 1629027669
  NPD (past)

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

• Mymichigan Medical Center Saginaw

  • General Acute Care Hospital
  • Saginaw, MI
  • NPI 1871507509
  Care Compare affiliation

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

{
    "created_epoch": "1694649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1134907892",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 WELLNESS DR",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486702000",
            "telephone_number": "989-839-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 S WASHINGTON AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486012551",
            "telephone_number": "989-907-8766"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOZDRON",
        "first_name": "TONYA",
        "middle_name": "KAY",
        "credential": "FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-09-14",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MI",
            "license": "4704301403",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dolores Joanne Kowalski-Meier, O.D.
• Alissa Kowalski
• Megan Janelle Kowalski, BT
• Rebecca Lynn Kowalski
• Chelsea Lou Katie Kozak, LMSW
• Emily Kraenzlein
• Bradley Edward Krajkowski, DO
• Kyle Kram, OD
• Martha Rose Kramer
• David Jacob Kramp, MD

• Family Nurse Practitioner in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Family Nurse Practitioner in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 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.