Catherine E Grimsley, MSN PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

G164736 Issued in IA

Practice address

4230 Hamilton Blvd
Sioux City, IA 51104-1137

Phone

(712) 239-4300

Fax

(712) 239-2866

NPI assigned

Aug 25, 2021

Sex

Female

Sole proprietor

No

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 IA

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, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Family Health Care of Siouxland PLCGroup PAC ID 7315839412, 49 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science, Master of Science - Nursing

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: catherinegrimsley@fhcs.allscriptsdirect.net

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.

• Family Health Care of Siouxland PLC

  • Family Medicine Physician
  • Sioux City, IA
  • NPI 1437170685
  Medicare reassignment Care Compare group NPD
• Family Health Care of Siouxland LLC

  • Family Medicine Physician
  • Moville, IA
  • NPI 1720278278
  NPD (past)

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

{
    "created_epoch": "1629849600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1609543933",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 GOLD CIR STE 120",
            "city": "DAKOTA DUNES",
            "state": "SD",
            "postal_code": "570495501",
            "telephone_number": "605-217-0700",
            "fax_number": "605-217-0701"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4230 HAMILTON BLVD",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511041137",
            "telephone_number": "712-239-4300",
            "fax_number": "712-239-2866"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIMSLEY",
        "first_name": "CATHERINE",
        "middle_name": "E",
        "credential": "MSN PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-08-25",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "IA",
            "license": "G164736",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paul Robert Gregory, M.D.
• Justin Grevengoed
• Teri L Griep Langholz, RN
• Soren Long Grieve, PT
• Suzanne J. Griffith, ARNP
• Danikah Grobe
• Katherine Grode, CRNA
• Ryan R Groetken, LMHC
• Merritt Groh, PA-C
• Angela D. Gronborg-Harder, LMHC

• Psychiatric/Mental Health Nurse Practitioner in Sioux City, IA
• Providers in Sioux City, IA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 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.