Nicolaas W De Wette, M.D.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

MD23344 Issued in OR

Practice address

265 N Broadway St
Portland, OR 97227-1800

Phone

(503) 280-1223

Fax

(503) 528-5252

NPI assigned

May 23, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

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

Radiation Oncology

Education

Other, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwest Cancer Specialists PCGroup PAC ID 8426943838, 70 clinicians

Sky Lakes Medical Center IncGroup PAC ID 1052204096, 196 clinicians

AsanteGroup PAC ID 0547177321, 141 clinicians

Central Washington Health Services AssociationGroup PAC ID 4880504596, 708 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Asante Rogue Regional Medical Center Hospital, Medford, OR, CCN 380018
• Sky Lakes Medical Center Hospital, Klamath Falls, OR, CCN 380050

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nicolaas.de.wette@compass.ikm.direct-ci.com
• Direct secure messaging: ndewette101502@edirect.chehr.org

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.

• Sky Lakes Medical Center Inc

  • General Acute Care Hospital
  • Klamath Falls, OR
  • NPI 1659340370

  OR

  Medicare reassignment Care Compare group NPD
• Central Washington Health Services Association

  • Emergency Medical Services (Emergency Medicine) Physician
  • Wenatchee, WA
  • NPI 1801937453

  WA

  Medicare reassignment Care Compare group NPD
• Asante

  • General Acute Care Hospital
  • Medford, OR
  • NPI 1770587107

  OR

  Medicare reassignment Care Compare group
• Northwest Cancer Specialists PC

  • Hematology & Oncology Physician
  • Vancouver, WA
  • NPI 1407828114

  OR, WA

  Medicare reassignment Care Compare group
• Sky Lakes Medical Center Inc

  • Community/Retail Pharmacy
  • Klamath Falls, OR
  • NPI 1003654625
  Care Compare group NPD
• Central Washington Health Services Association

  • General Acute Care Hospital
  • Wenatchee, WA
  • NPI 1881642239
  Care Compare group NPD
• Asante Three Rivers Medical Center, LLC

  • General Acute Care Hospital
  • Grants Pass, OR
  • NPI 1801891809

  OR

  Medicare reassignment
• Asante

  • Psychiatric Hospital Unit
  • Medford, OR
  • NPI 1114002128
  Care Compare group
• Asante

  • Community Based Hospice Care Agency
  • Medford, OR
  • NPI 1558498279
  Care Compare group
• Asante

  • Rehabilitation Hospital Unit
  • Medford, OR
  • NPI 1629121512
  Care Compare group
• Asante

  • Specialty Pharmacy
  • Medford, OR
  • NPI 1699426684
  Care Compare group
• Sky Lakes Medical Center Inc

  • Home Health Agency
  • Klamath Falls, OR
  • NPI 1568417103
  Care Compare group

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

• Asante

  • General Acute Care Hospital
  • Medford, OR
  • NPI 1770587107

  Hospital

  Care Compare affiliation
• Sky Lakes Medical Center Inc

  • Occupational Therapist
  • Klamath Falls, OR
  • NPI 1134270911

  Hospital

  Care Compare affiliation
• Sky Lakes Medical Center Inc

  • General Acute Care Hospital
  • Klamath Falls, OR
  • NPI 1659340370

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1116806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1689677692",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "265 N BROADWAY",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972271800",
            "telephone_number": "503-280-1223",
            "fax_number": "503-528-5252"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "265 N BROADWAY ST",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972271800",
            "telephone_number": "503-280-1223",
            "fax_number": "503-528-5252"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE WETTE",
        "first_name": "NICOLAAS",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-05-23",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "OR",
            "license": "MD23344",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1016363",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "287436",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Patricia Kristine De Villa
• Gerald Henry De Voe II, CADC-R
• Ann De Voir
• Anika De Vore, LMT
• Inge Alexandra De Weille, M.D.
• Marilee Dea, NP
• Clint Douglas Deadmond, LMT
• Deaf Mental Health Oregon, LLC
• David Edward Deainza, D.D.S.
• Danielle Deal

• All providers in Portland, OR
• Radiation Oncology Physician in Oregon

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