Stephen J Wallace MD PC

Primary specialty

Orthopaedic Trauma PhysicianTaxonomy code 207XX0801X

Legal business name

STEPHEN J WALLACE MD PC

Practice address

4103 Mercantile Dr
Lake Oswego, OR 97035-2556

Phone

(503) 850-9940

Fax

(503) 850-6709

NPI assigned

Oct 24, 2021

Organization subpart

No

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

Authorized official

Name

Stephen J Wallace, MDNPI 1396162673

Title

MD

Phone

(270) 556-0604

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in OR

Enrollment records 1

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Stephen J Wallace, MD

  • Orthopaedic Trauma Physician
  • Lake Oswego, OR
  • NPI 1396162673

  Orthopaedic Surgery

  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1635033600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767830400000",
    "number": "1063176352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4103 MERCANTILE DR",
            "city": "LAKE OSWEGO",
            "state": "OR",
            "postal_code": "970352556",
            "telephone_number": "503-850-9940",
            "fax_number": "503-850-6709"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4103 MERCANTILE DR",
            "city": "LAKE OSWEGO",
            "state": "OR",
            "postal_code": "970352556",
            "telephone_number": "503-850-9940",
            "fax_number": "503-850-6709"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "STEPHEN J WALLACE MD PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-10-24",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A",
        "authorized_official_last_name": "WALLACE",
        "authorized_official_first_name": "STEPHEN",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "MD",
        "authorized_official_telephone_number": "270-556-0604",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207XX0801X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery, Orthopaedic Trauma",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Natthawan Steele, LMT
• Cynthia S Steinhauser, PHD, LCSW
• Hans Albert Stenfert Kroese, P.T. MOMT
• Stephani Shaver LCSW LLC
• Stephanie Nani, DO LLC
• Steven a. Hashiguchi, MD, LLC
• Steven M Madey MD PC
• Kristin Stevens, MSCN
• Susan Roach Stewart, MS
• Tanya Lugliani Stewart, MD

• Orthopaedic Trauma Physician in Lake Oswego, OR
• Providers in Lake Oswego, OR by specialty
• Orthopaedic Trauma Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.