Grethel M Hokenson, APRN

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

8169 Issued in WI

Practice address

2500 E Enterprise Ave Ste B
Appleton, WI 54913-8556

Phone

(920) 416-8577

Fax

(920) 416-8581

NPI assigned

Dec 30, 2014

Last updated

Feb 26, 2026By the provider in NPPES

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WI

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, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nystrom and Associates Counseling Wi SCGroup PAC ID 1052729464, 108 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ghokenson1058640@direct.emplifyhealth.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.

• Nystrom & Associates Counseling Wi., S.C.

  dba Nystrom & Associates

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • La Crosse, WI
  • NPI 1659977866
  Medicare reassignment Care Compare group NPD
• Nystrom & Associates Counseling Wi., S.C.

  dba Sagent Behavioral Health

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Fargo, ND
  • NPI 1104549047
  NPD

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

{
    "created_epoch": "1419897600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1811385818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1900 SILVER LAKE RD NW STE 110",
            "city": "NEW BRIGHTON",
            "state": "MN",
            "postal_code": "551121789",
            "telephone_number": "651-628-9566",
            "fax_number": "651-628-0411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 E ENTERPRISE AVE STE B",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549138556",
            "telephone_number": "920-416-8577",
            "fax_number": "920-416-8581"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOKENSON",
        "first_name": "GRETHEL",
        "middle_name": "M",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-12-30",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "8169",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "WI",
            "license": "8169-33",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WI",
            "license": "8169",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1811385818",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kevin M Hoeksema, CRNA
• Brenda Hoeper
• Wendy Ann Hoffmeyer, PHARMD
• Madison Kae Hogue, BCBA
• Toyly Hojageldiyev, DDS
• Sarah L. Holets, D.O.
• Ryan Holewinski, DPT
• Holiday Helping Hands
• Holistic Expressions LLC
• Jean M Holtz, RD, MSE, LPC

• Psychiatric/Mental Health Nurse Practitioner in Appleton, WI
• Providers in Appleton, WI by specialty
• Psychiatric/Mental Health Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 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.