Katie Ann Mattila, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

11177 Issued in MN

Practice address

790 Fuller Ave NE
Grand Rapids, MI 49503-1918

Phone

(616) 336-3909

Fax

(616) 336-8830

NPI assigned

Nov 3, 2023

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

Other names 1

• Katie Ann Longenecker Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MN, 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

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.

• Mayo Clinic

  • Multi-Specialty Clinic/Center
  • Rochester, MN
  • NPI 1922074434
  Medicare reassignment NPD
• Mayo Clinic

  • Clinical Medical Laboratory
  • Rochester, MN
  • NPI 1083249577
  NPD
• Mayo Clinic

  • Infectious Disease Physician
  • Rochester, MN
  • NPI 1114343860
  NPD
• Kent County CMH Authority

  • Community/Behavioral Health Agency
  • Grand Rapids, MI
  • NPI 1396404588
  NPD (past)

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

{
    "created_epoch": "1698969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780012800000",
    "number": "1124891858",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "790 FULLER AVE NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495031918",
            "telephone_number": "616-336-3909",
            "fax_number": "616-336-8830"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 1st St SW",
            "address_purpose": "LOCATION",
            "city": "Rochester",
            "state": "MN",
            "postal_code": "559050001",
            "country_code": "US",
            "telephone_number": "507-284-2511",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4820 23rd Ave S",
            "address_purpose": "LOCATION",
            "city": "Fargo",
            "state": "ND",
            "postal_code": "581049137",
            "country_code": "US",
            "telephone_number": "469-677-7430",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATTILA",
        "first_name": "KATIE",
        "middle_name": "ANN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-11-03",
        "last_updated": "2026-05-29",
        "certification_date": "2026-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "ND",
            "license": "204623",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MN",
            "license": "11177",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "pcerecords.network180.x@direct.mihin.net",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "790 Fuller Ave NE",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495031918",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "KATIE",
            "last_name": "LONGENECKER",
            "middle_name": "ANN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Lindsey Matthews, LPC
• Michelle Matthews
• Tristan Matthews
• Connie Ruth Mattice, RN
• Mattie Deboe Counseling LLC
• Ashlynn Mattingly, LMSW
• Mattson Dental, PLLC
• Laura Marie Mattson, D.O.
• Nancy Mattson, RN
• Natalie Mattson, FNP

• Nurse Practitioner in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Nurse Practitioner in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.