Michael Bruce Shanahan, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD12860 Issued in OR

Practice address

9205 SW Barnes Rd
Portland, OR 97225-6603

Phone

(503) 216-1763

Fax

(503) 216-1750

NPI assigned

Nov 6, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1162771200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1255400354",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "71 NANSEN SMT",
            "city": "LAKE OSWEGO",
            "state": "OR",
            "postal_code": "970351066",
            "telephone_number": "503-744-0979",
            "fax_number": "503-744-0822"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9205 SW BARNES RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972256603",
            "telephone_number": "503-216-1763",
            "fax_number": "503-216-1750"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHANAHAN",
        "first_name": "MICHAEL",
        "middle_name": "BRUCE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-06",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD12860",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "OR",
            "license": "MD12860",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maya Shamsuddin, DC
• Albert Yuh Chyuan Shan, M.D.
• Steven Shanab, MD
• Alison Shanahan
• Meaghan Marie Shanahan, M.D.
• Michal Shanda
• Weitong Shang
• Yanan Shang, M.D.
• Kirsten Celanire Shangraw, DPT
• Patricia F Shangraw, FAMILY NURSE PRACTIT

• Internal Medicine Physician in Portland, OR
• Providers in Portland, OR by specialty
• Internal Medicine Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.