Mariel Mitchell Ott Gebhardt, LCSW

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

PO Box 80355
Fairbanks, AK 99708-0355

Phone

(907) 251-7664

NPI assigned

Oct 7, 2008

Sex

Female

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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.

• Siena Counseling, LLC

  • Mental Health Counselor
  • Anderson, AK
  • NPI 1851854798
  NPD Authorized official

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

{
    "created_epoch": "1223337600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1770734857",
    "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": "PO BOX 80355",
            "city": "FAIRBANKS",
            "state": "AK",
            "postal_code": "997080355",
            "telephone_number": "907-251-7664"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEBHARDT",
        "first_name": "MARIEL",
        "middle_name": "MITCHELL OTT",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-10-07",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angelina Gauley
• Joseph Mattew Gaumer
• Christopher Gay, M.D.
• Helen Elizabeth Gaynes, PA-C
• Kimberly Lynn Gebauer, R.N.
• Jennifer Ann Gehrke, APRN
• Paula R Gelineau, CCC-SLP
• Claire V Gelvin-Smith, MA, M.ED
• George R Vrablik MD Apc
• George R. Kirchner & Rural Community Consultants LLC

• Mental Health Counselor in Fairbanks, AK
• Providers in Fairbanks, 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.