Tammy S Willett, AGNP

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

4704199297 Issued in MI

Practice address

302 Kensington Ave
Flint, MI 48503-2044

Phone

(810) 762-8400

Fax

(810) 762-8118

NPI assigned

Aug 20, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in AZ, MI2 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

Specialty

Nurse Practitioner

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Cancer and Hematology Centers of Western Mi, P.C.Group PAC ID 4082526793, 109 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Banner Thunderbird Medical Center Hospital, Glendale, AZ, CCN 030089
• Banner Boswell Medical Center Hospital, Sun City, AZ, CCN 030061
• Spectrum Health Hospital, Grand Rapids, MI, CCN 230038
• Banner del E. Webb Medical Center Hospital, Sun City West, AZ, CCN 030093

Merit-based Incentive Payment System (MIPS)

Final score

78.42 of 100Reported as group

Quality

62.19

Promoting interoperability

99

Improvement activities

40

Cost

61.29

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.

• Cancer & Hematology Centers of Western Mi, P.C.

  • Specialist
  • Grand Rapids, MI
  • NPI 1528018389
  Medicare reassignment Care Compare group NPD
• Signify Health, LLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1689158487

  Nurse Practitioner

  NPD
• Khalid Chowdhury MD, PC

  • Facial Plastic Surgery Physician
  • Denver, CO
  • NPI 1457502940
  NPD (past)
• Rocky Mountain Cancer Centers LLP

  • Radiation Oncology Physician
  • Greenwood Village, CO
  • NPI 1861539538

  Nurse Practitioner

  NPD (past)

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

• Pennock Hospital

  • Critical Access Hospital
  • Hastings, MI
  • NPI 1932695525
  Care Compare affiliation
• Spectrum Health Hospitals

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1922090554
  Care Compare affiliation
• Banner Boswell Medical Center

  • General Acute Care Hospital
  • Sun City, AZ
  • NPI 1952560914
  Care Compare affiliation
• Banner del E Webb Medical Center

  • General Acute Care Hospital
  • Sun City West, AZ
  • NPI 1588823553
  Care Compare affiliation
• Banner Thunderbird Medical Center

  • General Acute Care Hospital
  • Glendale, AZ
  • NPI 1154355188
  Care Compare affiliation

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

{
    "created_epoch": "1250726400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764547200000",
    "number": "1568694776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "302 KENSINGTON AVE",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485032044",
            "telephone_number": "810-762-8400",
            "fax_number": "810-762-8118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "302 KENSINGTON AVE",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485032044",
            "telephone_number": "810-762-8400",
            "fax_number": "810-762-8118"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13041 N Del Webb Blvd",
            "address_2": "Suite 200",
            "address_purpose": "LOCATION",
            "city": "Sun City",
            "state": "AZ",
            "postal_code": "85351",
            "country_code": "US",
            "telephone_number": "623-832-0300",
            "fax_number": "623-285-2801",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLETT",
        "first_name": "TAMMY",
        "middle_name": "S",
        "credential": "AGNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-08-20",
        "last_updated": "2025-12-01",
        "certification_date": "2025-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MI",
            "license": "4704199297",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CO",
            "license": "SNP20012",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "AZ",
            "license": "AP3372",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark D. Wilkerson, M.D.
• Falin Wilkes
• Broc Stephen Wilkison
• Will of Son Home Care LLC
• Brian P Wille, PA-C
• William Lo MD PLC
• Williams Orthotic Services, Inc.
• Mary Williams-Garcia, MSW LMSW
• Veronica M. Williams-Latnie, PHD, MSW. BCD, ACSW
• Capri Lashay Williams-McCree

• Adult Health Nurse Practitioner in Flint, MI
• Providers in Flint, MI by specialty
• Adult Health Nurse Practitioner in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 1, 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.