Andrew Tietjen, FNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

5871656 Issued in ID

Practice address

6051 W Emerald St
Boise, ID 83704-8969

Phone

(208) 302-5150

Fax

(208) 302-5155

NPI assigned

Mar 20, 2025

Sex

Male

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 ID

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

Saint Alphonsus Regional Medical Center IncGroup PAC ID 3476462359, 672 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Alphonsus Regional Medical Center Hospital, Boise, ID, CCN 130007

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.

• Saint Alphonsus Regional Medical Center Inc

  • Psychologist
  • Boise, ID
  • NPI 1649357716

  Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Saint Alphonsus Medical Center- Ontario Inc

  • Internal Medicine Physician
  • Ontario, OR
  • NPI 1093034159

  ID

  Medicare reassignment NPD
• Saint Alphonsus Regional Medical Center Inc

  • Psychiatric Hospital Unit
  • Boise, ID
  • NPI 1770687857
  NPD
• Saint Alphonsus Regional Medical Center Inc

  • General Acute Care Hospital
  • Boise, ID
  • NPI 1992736649
  NPD
• Saint Alphonsus Medical Center- Ontario Inc

  dba Saint Alphonsus Medical Center Ontario

  • General Acute Care Hospital
  • Ontario, OR
  • NPI 1891891792
  NPD

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

• Saint Alphonsus Regional Medical Center Inc

  dba Saint Alphonsus RMC TVL

  • General Acute Care Hospital
  • Boise, ID
  • NPI 1184155426
  Care Compare affiliation
• Saint Alphonsus Regional Medical Center Inc

  dba St Alphonsus Rehabilitation Services

  • General Acute Care Hospital
  • Boise, ID
  • NPI 1457414948
  Care Compare affiliation
• Saint Alphonsus Regional Medical Center Inc

  • Psychiatric Hospital Unit
  • Boise, ID
  • NPI 1770687857
  Care Compare affiliation
• Saint Alphonsus Regional Medical Center Inc

  • Family Medicine Physician
  • Caldwell, ID
  • NPI 1861676298

  Hospital

  Care Compare affiliation
• Saint Alphonsus Regional Medical Center Inc

  • General Acute Care Hospital
  • Boise, ID
  • NPI 1992736649
  Care Compare affiliation

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

{
    "created_epoch": "1742428800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747958400000",
    "number": "1427859164",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 190930",
            "city": "BOISE",
            "state": "ID",
            "postal_code": "837190930",
            "telephone_number": "208-367-5170"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6051 W EMERALD ST",
            "city": "BOISE",
            "state": "ID",
            "postal_code": "837048969",
            "telephone_number": "208-302-5150",
            "fax_number": "208-302-5155"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10583 W Lake Hazel Rd",
            "address_purpose": "LOCATION",
            "city": "Boise",
            "state": "ID",
            "postal_code": "837096326",
            "country_code": "US",
            "telephone_number": "208-302-5950",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIETJEN",
        "first_name": "ANDREW",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-03-20",
        "last_updated": "2025-05-23",
        "certification_date": "2025-05-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "ID",
            "license": "5871656",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tidwell Social Work Services and Consulting, Inc. (Tidwell Social Work Services and Consulting)
• Kathy Matlock Tidwell, LCSW
• Kathleen Tierney, NP
• Quinn Tierney, LCSW
• Shannon Marie Tierney, MD
• Karl Scott Tiffany, LCPC
• Tiger Lili LLC
• Tiger Medical Transportation LLC.
• Mildred Ann Tikker, LCSW
• Suzanna Marie Tillotson, PH.D.

• Nurse Practitioner in Boise, ID
• Providers in Boise, ID by specialty
• Nurse Practitioner in Idaho

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