Siena Counseling, LLC

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Legal business name

SIENA COUNSELING, LLC

Practice address

174 Spruce St
Anderson, AK 99744

Phone

(907) 251-7664

NPI assigned

Apr 8, 2019

Last updated

Aug 17, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Mariel Mitchell Ott Gebhardt, LCSWNPI 1770734857

Title

Owner

Phone

(907) 251-7664

Specialties & licenses 1

Addresses

Other identifiers 1

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Mariel Mitchell Ott Gebhardt, LCSW

  • Mental Health Counselor
  • Fairbanks, AK
  • NPI 1770734857
  NPD Authorized official

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

{
    "created_epoch": "1554681600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786924800000",
    "number": "1851854798",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 80355",
            "city": "FAIRBANKS",
            "state": "AK",
            "postal_code": "997080355",
            "telephone_number": "907-251-7664"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "174 SPRUCE ST",
            "city": "ANDERSON",
            "state": "AK",
            "postal_code": "99744",
            "telephone_number": "907-251-7664"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SIENA COUNSELING, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-04-08",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A",
        "authorized_official_last_name": "GEBHARDT",
        "authorized_official_first_name": "MARIEL",
        "authorized_official_middle_name": "MITCHELL OTT",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "907-251-7664",
        "authorized_official_credential": "LCSW"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI",
            "identifier": "1770734857",
            "state": "AK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• City of Anderson

• Mental Health Counselor in Anderson, AK
• Providers in Anderson, AK by specialty
• Mental Health Counselor in Alaska

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.