Nicholas Allen Hamilton, M.D.

Primary specialty

Pediatric Surgery PhysicianTaxonomy code 2086S0120X

License

MD171728 Issued in OR

Practice address

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011

Phone

(503) 494-8708

NPI assigned

Mar 21, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MT, 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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: krmcmedicalrecords@krhdirect.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.

• Peacehealth

  • Hospitalist Physician
  • Springfield, OR
  • NPI 1740223874

  Surgery

  Medicare reassignment NPD
• Peacehealth Medical Group

  • Family Medicine Physician
  • Eugene, OR
  • NPI 1447207287

  Surgery

  Medicare reassignment NPD
• RCHP Billings - Missoula LLC

  • Specialist
  • Missoula, MT
  • NPI 1376946913
  Medicare reassignment NPD
• Peacehealth Medical Group

  • Birthing Clinic/Center
  • Springfield, OR
  • NPI 1881860856
  NPD
• Kalispell Regional Medical Center Inc

  • Clinic/Center
  • Kalispell, MT
  • NPI 1235333139
  NPD
• RCHP Billings - Missoula LLC

  • Medical Oncology Physician
  • Missoula, MT
  • NPI 1891164125
  NPD
• Peacehealth

  • General Acute Care Hospital
  • Springfield, OR
  • NPI 1083888515
  NPD (past)
• Tuality Healthcare

  • General Acute Care Hospital
  • Hillsboro, OR
  • NPI 1336228659
  NPD (past)

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

{
    "created_epoch": "1174435200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744934400000",
    "number": "1811013840",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "address_2": "CDW7",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-8708",
            "fax_number": "503-494-6467"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3181 SW SAM JACKSON PARK RD",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972393011",
            "telephone_number": "503-494-8708"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "202 Conway Dr Ste 200",
            "address_purpose": "LOCATION",
            "city": "Kalispell",
            "state": "MT",
            "postal_code": "599013153",
            "country_code": "US",
            "telephone_number": "406-758-7490",
            "fax_number": "406-758-7080",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAMILTON",
        "first_name": "NICHOLAS",
        "middle_name": "ALLEN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-21",
        "last_updated": "2025-04-18",
        "certification_date": "2025-04-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MO",
            "license": "2007016896",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "OR",
            "license": "FE161796",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "MT",
            "license": "MED-PHYS-LIC-66859",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "IA",
            "license": "MD42623",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "OR",
            "license": "MD171728",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "krmcmedicalrecords@krhdirect.org",
            "affiliation": "Y",
            "affiliationName": "Kalispell Regional Medical Center Inc",
            "address_1": "202 Conway Dr Ste 200",
            "city": "Kalispell",
            "state": "MT",
            "country_code": "US",
            "postal_code": "599013153",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Laura E Hamilton
• Lavonna Cleopatra Hamilton
• Lisa Eileen Hamilton, LMT
• Lynette Dawn Hamilton, PSYD, ABPP
• Mary Maureen Hamilton
• Norman Gregory Hamilton, M.D.
• Rebecca Ann Hamilton, P.T.
• Richard N Hamilton, MD
• Russell Allen Hamilton, CRM
• Sheri Annette Hamilton

• Pediatric Surgery Physician in Portland, OR
• Providers in Portland, OR by specialty
• Pediatric Surgery Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 18, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.