Katie Ann Steinhelfer, PMHNP, PNP, FNP APRN

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

1949 Issued in HI

Practice address

4211 Waialae Ave Ste 208
Honolulu, HI 96816-5312

Phone

(808) 222-4314

NPI assigned

Oct 7, 2015

Last updated

Jan 23, 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 2

Addresses

Medicare fee-for-service enrollment

Enrolled in HI

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: katie.steinhelfer.p1@direct.wcchc.nextgenshare.com

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.

• Imua Health Group, LLC

  • Psychologist
  • Aiea, HI
  • NPI 1023648995
  Medicare reassignment NPD
• The Wahiawa Center for Community Health

  dba 'Wahiawa Health'

  • Federally Qualified Health Center (FQHC)
  • Wahiawa, HI
  • NPI 1992176283
  Medicare reassignment NPD
• Waianae District Comprehensive Health and Hospital Board, Inc

  dba Waianae Coast Comprehensive Health Center

  • Family Medicine Physician
  • Waianae, HI
  • NPI 1275566424
  Medicare reassignment NPD
• Waianae District Comprehensive Health and Hospital Board, Inc

  dba The Comp at Tamura Super Market

  • Federally Qualified Health Center (FQHC)
  • Waianae, HI
  • NPI 1649859588
  NPD
• Waianae District Comprehensive Health and Hospital Board, Incorporated

  dba Waianae Elementary School

  • Federally Qualified Health Center (FQHC)
  • Waianae, HI
  • NPI 1710709365
  NPD
• Imua Heart

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Aiea, HI
  • NPI 1265119416
  NPD (past)

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

{
    "created_epoch": "1444176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1285004986",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3145 CASTLE ST APT H",
            "city": "HONOLULU",
            "state": "HI",
            "postal_code": "968153890",
            "telephone_number": "880-222-4314"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4211 WAIALAE AVE STE 208",
            "city": "HONOLULU",
            "state": "HI",
            "postal_code": "968165312",
            "telephone_number": "808-222-4314"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEINHELFER",
        "first_name": "KATIE",
        "middle_name": "ANN",
        "credential": "PMHNP, PNP, FNP APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-10-07",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "HI",
            "license": "73383",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "HI",
            "license": "1949",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amanda Steffins
• Sydney Stegall, MD
• Alan G Stein, M.D.
• David Stein, M.D.
• Susan Steinemann, M.D.
• Stella S. Matsuda, M.D., Inc.
• Stem Cell and Wellness Institute Inc
• Molly N Stemmler
• Ashley Stenson
• Natasha Lindsay Stenson

• Psychiatric/Mental Health Nurse Practitioner in Honolulu, HI
• Providers in Honolulu, HI by specialty
• Psychiatric/Mental Health Nurse Practitioner in Hawaii

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 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.