Individual provider Active NPI

Sophia Tam, M.D.

  • Trauma Surgery Physician
  • Portland, OR
National Provider Identifier
1225425085
Registry record updated Aug 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Trauma Surgery PhysicianTaxonomy code 2086S0127X
License
MD224915 Issued in OR
Practice address
3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone
(503) 494-5300
NPI assigned
Apr 20, 2015
Last updated
Aug 4, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X MD224915 OR
Surgery Physician 208600000X 11607558-1205 UT
Surgical Critical Care Physician 2086S0102X 11607558-1205 UT
Surgical Critical Care Physician 2086S0102X MD224915 OR
Trauma Surgery Physician 2086S0127X MD224915 OR Primary

Addresses

Primary practice location

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

Mailing address

1400 SW 5TH Ave Ste 500
Portland, OR 97201-5537

Other practice location 1

30 N 1900 E Rm 3C344
Salt Lake City, UT 84132-0002
Phone (801) 585-1618

Other practice location 2

2200 NE Neff Rd Ste 302
Bend, OR 97701-4279
Phone (541) 706-6915

Other practice location 3

177 Fort Washington Ave
7GS-313
New York, NY 10032-3733
Phone (212) 305-3038

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address stam234511@secure.stcharleshealthcare.org
Direct Messaging Address stam439043@direct.med.utah.edu Direct University of Utah

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
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 1

Enrollment IDStateProvider typePAC IDDetails
I20250618002535 OR Practitioner - General SurgeryPractitioner - Critical Care (Intensivists) 9830436096 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General SurgeryAlso: Critical Care (Intensivists)
Education
State University of New York Downstate Medical Center, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Professional ServicesGroup PAC ID 4880760107, 1,683 clinicians

Practice addresses (Care Compare)

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-8311

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.07 of 100Reported as apm
Quality
79.77
Promoting interoperability
88.77
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD224915ORMDSurgical Critical Care Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Professional Services CurrentSince Jul 1, 2025 Accepting new patients
University Professional Services CurrentSince Jul 1, 2025 Accepting new patients
University Professional Services Past Accepting new patients

Locations

15700 SW Greystone Ct
Beaverton, OR 97006
Phone (503) 203-1000

2200 NE Neff Rd
Bend, OR 97701
Phone (541) 317-3915

1400 SW 5th Ave
Ste 500
Portland, OR 97201

3181 SW Sam Jackson Park Rd
Portland, OR 97239
Phone (503) 494-5674

Interoperability endpoints

  • Direct secure messaging: stam88096@direct.ohsu.edu

Organizations & group practices 4

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1429488000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1225425085",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1400 SW 5TH AVE STE 500",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972015537"
        },
        {
            "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": "503-494-5300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "30 N 1900 E Rm 3C344",
            "address_purpose": "LOCATION",
            "city": "Salt Lake City",
            "state": "UT",
            "postal_code": "841320002",
            "country_code": "US",
            "telephone_number": "801-585-1618",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2200 NE Neff Rd Ste 302",
            "address_purpose": "LOCATION",
            "city": "Bend",
            "state": "OR",
            "postal_code": "977014279",
            "country_code": "US",
            "telephone_number": "541-706-6915",
            "fax_number": "541-706-6733",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "177 Fort Washington Ave",
            "address_2": "7GS-313",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100323733",
            "country_code": "US",
            "telephone_number": "212-305-3038",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TAM",
        "first_name": "SOPHIA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-20",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OR",
            "license": "MD224915",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "UT",
            "license": "11607558-1205",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "UT",
            "license": "11607558-1205",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "OR",
            "license": "MD224915",
            "primary": false
        },
        {
            "code": "2086S0127X",
            "taxonomy_group": "",
            "desc": "Surgery, Trauma Surgery",
            "state": "OR",
            "license": "MD224915",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "stam234511@secure.stcharleshealthcare.org",
            "affiliation": "N",
            "address_1": "2200 NE Neff Rd Ste 302",
            "city": "Bend",
            "state": "OR",
            "country_code": "US",
            "postal_code": "977014279",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "stam439043@direct.med.utah.edu",
            "affiliation": "Y",
            "affiliationName": "University of Utah",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "50 N Medical Dr",
            "city": "Salt Lake City",
            "state": "UT",
            "country_code": "US",
            "postal_code": "841320100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.