Erika Frey

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

203680 Issued in ND

Practice address

1301 15TH Ave W
Williston, ND 58801-3821

Phone

(701) 774-7400

NPI assigned

Jul 14, 2025

Last updated

Oct 22, 2025By 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in ND

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

Mercy Medical CenterGroup PAC ID 7416851381, shared by 2 NPIs, 78 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• CHI St Alexius Health Williston Hospital, Williston, ND, CCN 351334

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mercy Medical Center

  • Psychiatry Physician
  • Williston, ND
  • NPI 1801928593
  Medicare reassignment NPD
• Mercy Medical Center

  dba Chi St Alexius Health Williston

  • Critical Access Hospital
  • Williston, ND
  • NPI 1902824576
  Medicare reassignment NPD
• Mercy Home Care

  • Home Health Agency
  • Williston, ND
  • NPI 1871593723
  NPD

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

• Mercy Medical Center

  dba Chi St Alexius Health Williston

  • Critical Access Hospital
  • Williston, ND
  • NPI 1902824576
  Care Compare affiliation

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

{
    "created_epoch": "1752451200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1225929680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2325 17TH AVE W",
            "city": "WILLISTON",
            "state": "ND",
            "postal_code": "588012507",
            "telephone_number": "406-230-1061"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1301 15TH AVE W",
            "city": "WILLISTON",
            "state": "ND",
            "postal_code": "588013821",
            "telephone_number": "701-774-7400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FREY",
        "first_name": "ERIKA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-14",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "ND",
            "license": "203680",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "ND",
            "license": "R52806",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amy Folvag, PTA
• Theo Atlas Fontenot
• Tanya M Fox, LAC
• Yolanda Fransen
• Megan Marie Freeman
• Queen Elizabeth Fugah, DNP
• Colleen Fuller, PT
• G & G RX Inc (G & G Pharmacy)
• G&G RX Inc (Service Drug Pharmacy)
• Lanny Ross Gabbert, DC

• Acute Care Nurse Practitioner in Williston, ND
• Providers in Williston, ND by specialty
• Acute Care Nurse Practitioner in North Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 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.