Ryan Christianson

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

Practice address

2707 NE Flanders St
Portland, OR 97232-3159

Phone

(503) 238-5203

NPI assigned

Jan 3, 2020

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1578009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1740829076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4805 NE GLISAN ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972132933",
            "telephone_number": "503-956-5924"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2707 NE FLANDERS ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972323159",
            "telephone_number": "503-238-5203"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHRISTIANSON",
        "first_name": "RYAN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-01-03",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rchristianson@quest-center.org",
            "affiliation": "N",
            "address_1": "2707 NE Flanders St",
            "city": "Portland",
            "state": "OR",
            "country_code": "US",
            "postal_code": "972323159",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jamie Nicole Christianson, CHW, CADC 1
• Kirk Christianson, D.M.D.
• Kirsten A Christianson, CRNA
• Leslie James Christianson, DO
• Penelope Christianson, MDIV PSYD
• Catherine Christie, MD
• Christina Ellis Dba: Paradise Adult Foster Care Home
• Christina W Enticknap, LPC, LLC
• Christine Brown DMD, LLC
• Christine R Gebhardt OD LLC

• Addiction (Substance Use Disorder) Counselor in Portland, OR
• Providers in Portland, OR by specialty
• Addiction (Substance Use Disorder) Counselor in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 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.