Active NPI
Sienna J Ringgenberg, MD
- Diagnostic Radiology Physician
- Beaverton, OR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- MD224995
- Practice address
- 4855 SW Western Ave
Beaverton, OR 97005-3499 - Phone
- (800) 813-2000
- NPI assigned
- Mar 20, 2023
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | MD224995 | OR | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
4855 SW Western Ave
Beaverton, OR 97005-3499
Mailing address
500 NE Multnomah St Ste 100
Portland, OR 97232-2031
Phone (800) 813-2000
Other practice location 1
3181 SW Sam Jackson Park Rd # L-579
Portland, OR 97239-3098
Phone (503) 494-8652
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
- Diagnostic Radiology
- Education
- Oakland Univ, William Beaumont School of Medicine, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
1400 SW 5TH Ave
FL 5
Portland, OR 97201-5509
500 NE Multnomah St
Suite 100
Portland, OR 97232-2031
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD224995 | OR | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kaiser Foundation Health Plan of the Northwest | Current | Accepting new patients | |
| Kaiser Foundation Health Plan of the Northwest | Current | Accepting new patients | |
| Kaiser Foundation Health Plan of the Northwest | Current | Accepting new patients | |
| The Regents of the University of California-Irvine | Past | Accepting new patients |
Locations
4855 SW Western Ave
Beaverton, OR 97005
Phone (503) 626-4148
10100 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2946
3181 SW Sam Jackson Park Rd
#L579
Portland, OR 97239
Phone (503) 494-8652
500 NE Multnomah St
Ste 100
Portland, OR 97232
Phone (503) 499-5200
2400 Lancaster Dr NE
Salem, OR 97305
Phone (503) 361-5400
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 and National Provider Directory roles.
-
- General Practice Physician
- Portland, OR
- NPI 1184786527
-
- General Practice Physician
- Portland, OR
- NPI 1063990695
-
- Clinic/Center
- Hillsboro, OR
- NPI 1942718622
-
- Hospitalist Physician
- Orange, CA
- NPI 1154479723
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1679270400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1760400000000",
"number": "1225730500",
"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": "4855 SW WESTERN AVE",
"city": "BEAVERTON",
"state": "OR",
"postal_code": "970053499",
"telephone_number": "800-813-2000"
}
],
"practiceLocations": [
{
"address_1": "3181 SW Sam Jackson Park Rd # L-579",
"address_purpose": "LOCATION",
"city": "Portland",
"state": "OR",
"postal_code": "972393098",
"country_code": "US",
"telephone_number": "503-494-8652",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "RINGGENBERG",
"first_name": "SIENNA",
"middle_name": "J",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-03-20",
"last_updated": "2025-10-14",
"certification_date": "2025-10-14",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "OR",
"license": "MD224995",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Beaverton, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 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.