Active NPI
Stephen Matsuoka
- Emergency Medicine Physician
- Tacoma, WA
National Provider Identifier
1568043032
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- MD61506989
- Practice address
- 1717 S J St
Tacoma, WA 98405-4933 - Phone
- (253) 627-4101
- NPI assigned
- Apr 16, 2021
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | MD61506989 | WA | Primary |
Addresses
Primary practice location
1717 S J St
Tacoma, WA 98405-4933
Mailing address
PO Box 634720
Cincinnati, OH 45263-4720
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA
- 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
- Emergency Medicine
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
34515 9TH Ave S
Federal Way, WA 98003-6761
Phone (253) 838-9700
Hospital & facility affiliations
- St Joseph Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD61506989 | WA | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northwest Emergency Physicians LLC | Emergency Medicine | Current | Accepting new patients |
| Northwest Observation Associates PC | Current | Accepting new patients |
Locations
34515 9th Ave S
Federal Way, WA 98003
Phone (253) 835-8100
888 Swift Blvd
Richland, WA 99352
Phone (509) 942-2115
1717 S J St
Tacoma, WA 98405
Phone (253) 426-4101
Organizations & group practices 2
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.
-
- Emergency Medicine Physician
- Arlington, WA
- NPI 1235172370
-
- Internal Medicine Physician
- Federal Way, WA
- NPI 1023539376
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Tacoma, WA
- NPI 1124291117
-
- General Acute Care Hospital
- Tacoma, WA
- NPI 1952309098
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1618531200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1752796800000",
"number": "1568043032",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 634720",
"city": "CINCINNATI",
"state": "OH",
"postal_code": "452634720"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1717 S J ST",
"city": "TACOMA",
"state": "WA",
"postal_code": "984054933",
"telephone_number": "253-627-4101"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MATSUOKA",
"first_name": "STEPHEN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-04-16",
"last_updated": "2025-07-18",
"certification_date": "2025-07-18",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "WA",
"license": "MD61506989",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Tacoma, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 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.
- 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.