Alex Duwon Chang, MD

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011

Phone

(503) 494-8311

NPI assigned

Jan 13, 2022

Sex

Male

Sole proprietor

No

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

Enrolled in OR

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: achang79420@direct.ohsu.edu

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

{
    "created_epoch": "1642032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1760133458",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393098",
            "telephone_number": "503-494-8211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-8311"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "ALEX",
        "middle_name": "DUWON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-01-13",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lula P Chaney, QMHA
• Victoria Sarah Chaney
• Angela Chang-Tirado, PHARMD
• Ada Chang, PHARM.D.
• Aimee S Chang, MD
• Andrew Chang, DO
• Billy Hoon Chang, MD, PHD
• Carolyn Cha Ying Chang, MD
• CHI Young Chang
• Christopher Chang, M.D.

• Student in an Organized Health Care Education/Training Program in Portland, OR
• Providers in Portland, OR by specialty
• Student in an Organized Health Care Education/Training Program in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.