Michelle Tsai, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

MD223955 Issued in OR

Practice address

10180 SE Sunnyside Rd
Clackamas, OR 97015-8970

Phone

(800) 813-2000

NPI assigned

Apr 1, 2021

Sex

Female

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 OR

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mtsai196759@direct.ohsu.edu

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.

• University Professional Services

  • General Practice Physician
  • Portland, OR
  • NPI 1376709535
  Medicare reassignment NPD
• University Professional Services

  • Pharmacy
  • Beaverton, OR
  • NPI 1073054714
  NPD
• University Professional Services

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Portland, OR
  • NPI 1316354970
  NPD

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

{
    "created_epoch": "1617235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1497333140",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 1000",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322023",
            "telephone_number": "800-813-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10180 SE SUNNYSIDE RD",
            "city": "CLACKAMAS",
            "state": "OR",
            "postal_code": "970158970",
            "telephone_number": "800-813-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3303 S Bond Ave",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972394501",
            "country_code": "US",
            "telephone_number": "503-494-7772",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSAI",
        "first_name": "MICHELLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-01",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "OR",
            "license": "MD223955",
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "WA",
            "license": "MD.MD.70168149",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melissa Lea Trillo
• Elizabeth Tripp
• Charlene L. Tritt, OTR/L
• Kyle Troupe, FNP-C
• Pauline E Truax, PH.D.
• David G. Tse, MD
• Sylvia Tu
• Eric P Tubbs, M.D.
• Desiree Tucker
• James T Tull, M.D.

• Neurology Physician in Clackamas, OR
• Providers in Clackamas, OR by specialty
• Neurology Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.