Individual provider Active NPI

Harold Thomas, M.D.

  • Emergency Medicine Physician
  • Lake Oswego, OR
National Provider Identifier
1639173339
Registry record updated Jul 13, 2026
On this page

OIG exclusion record

The HHS Office of Inspector General’s List of Excluded Individuals/Entities (LEIE) contains a record with this NPI:

  • Section 1128a(4) exclusion effective Jul 20, 2015.

Matched on NPI only. Confirm current status with the OIG exclusions search before relying on it.

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MDOOO18720 Issued in WA
Practice address
734 Carrera LN
Lake Oswego, OR 97034-1668
Phone
(503) 636-9234
NPI assigned
Jun 9, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X MDOOO18720 WA Primary

Addresses

Primary practice location

734 Carrera LN
Lake Oswego, OR 97034-1668

Mailing address

734 Carrera LN
Lake Oswego, OR 97034-1668
Phone (503) 636-9234

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MDOOO18720WAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St. John's Emergency Physicians, Inc., P.S. Emergency Medicine PastSince Apr 17, 2020 Accepting new patients
Peacehealth Past Accepting new patients
Peacehealth Past Accepting new patients

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1118275200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1639173339",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "734 CARRERA LN",
            "city": "LAKE OSWEGO",
            "state": "OR",
            "postal_code": "970341668",
            "telephone_number": "503-636-9234"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "734 CARRERA LN",
            "city": "LAKE OSWEGO",
            "state": "OR",
            "postal_code": "970341668",
            "telephone_number": "503-636-9234"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "HAROLD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "MDOOO18720",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Oswego, OR

Sources for this page

Verify at the official NPI Registry.