Thomas G Wimmer, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD152492 Issued in OR

Practice address

19185 SW 90TH Ave
Tualatin, OR 97062-7558

Phone

(503) 813-2000

NPI assigned

Aug 31, 2006

Last updated

Oct 22, 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 4

Addresses

Other identifiers 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WA, OR2 enrollments

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 2

Specialty

Internal MedicineAlso: Rheumatology

Education

Other, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kaiser Foundation Health Plan of the NorthwestGroup PAC ID 5799688230, 1,805 clinicians

Providence Health and Services OregonGroup PAC ID 0648183608, 1,423 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St Vincent Medical Center Hospital, Portland, OR, CCN 380004

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1184786527

  Internal Medicine, WA

  Medicare reassignment Care Compare group NPD
• Providence Health & Services Oregon

  dba Providence Medical Group

  • General Practice Physician
  • Lake Oswego, OR
  • NPI 1023488343
  Medicare reassignment Care Compare group NPD
• Providence Health & Services - Oregon

  dba Providence St Vincent Medical Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1114015971

  Internal Medicine

  Medicare reassignment NPD
• Kaiser Foundation Health Plan of the Northwest

  • Clinic/Center
  • Hillsboro, OR
  • NPI 1942718622
  NPD
• Providence Health & Services - Oregon

  dba Providence Medical Group

  • Sports Medicine (Internal Medicine) Physician
  • Portland, OR
  • NPI 1235479643
  NPD
• Providence Health & Services - Oregon

  dba Prov St. Vincent Medical Ctr

  • Clinical Pathology Physician
  • Portland, OR
  • NPI 1831641745

  Internal Medicine

  NPD
• Providence Health & Services Oregon

  dba Providence Benedictine Nursing Center

  • Skilled Nursing Facility
  • Mount Angel, OR
  • NPI 1417978164
  NPD
• Providence Health & Services Oregon

  dba Providence Medical Group

  • Psychiatry Physician
  • Portland, OR
  • NPI 1760177737
  NPD
• Prem C Chatpar MD LLC

  • Rheumatology Physician
  • Plainview, NY
  • NPI 1407902505
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Providence Health & Services - Oregon

  dba Providence St Vincent Medical Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1114015971
  Care Compare affiliation

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

{
    "created_epoch": "1156982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1083725097",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 100",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322031",
            "telephone_number": "800-813-2000",
            "fax_number": "855-524-5255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19185 SW 90TH AVE",
            "city": "TUALATIN",
            "state": "OR",
            "postal_code": "970627558",
            "telephone_number": "503-813-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9205 SW Barnes Rd",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972256603",
            "country_code": "US",
            "telephone_number": "503-216-2906",
            "fax_number": "503-216-4114",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WIMMER",
        "first_name": "THOMAS",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-31",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WA",
            "license": "MD60063843",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD152492",
            "primary": true
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "OR",
            "license": "MD152492",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "OR",
            "license": "MD152492",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE (PH&S)-PMG",
            "identifier": "P00924585",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500631982",
            "state": "OR"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/interconnect-prodnwm/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "19185 SW 90th Ave",
            "city": "Tualatin",
            "state": "OR",
            "country_code": "US",
            "postal_code": "970627558",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Willglow Psychiatry and Wellness Services
• Sandi Dawn Williams, CSWA
• Gregory S Willis, M.D.
• Amber K Wilson, PMHNP
• Tammy Leigh Wilson, PA-C
• Courtney Rose Winn, RN
• Janell Elizabeth Wismer, SLP
• Donald William Wissusik, M.A., M.S.
• Felicity Michelle Woebkenberg, MACOM, LAC, RN, BSN
• Anna Wolff, SCHOOL PSYCHOLOGIST

• Internal Medicine Physician in Tualatin, OR
• Providers in Tualatin, 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 Oct 22, 2025; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.