Active NPI
Sophia Tam, M.D.
- Trauma Surgery Physician
- Portland, OR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Trauma Surgery Physician
- License
- MD224915
- 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, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- State University of New York Downstate Medical Center, 2015
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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 100
- Quality
- 79.77
- Promoting interoperability
- 88.77
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD224915 | OR | MD | Surgical Critical Care Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University Professional Services | Current | Accepting new patients | |
| University Professional Services | Current | 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
- 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.
-
- General Practice Physician
- Portland, OR
- NPI 1376709535
-
dba St. Charles Medical Group
- Family Medicine Physician
- Bend, OR
- NPI 1023331303
-
dba OHSU Home Infusion Pharmacy
- Pharmacy
- Beaverton, OR
- NPI 1073054714
-
dba University Professional Services in Medford
- Pediatrics Physician
- Medford, OR
- NPI 1225282122
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Portland, OR
- NPI 1609824010
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.