Active NPI
Michael A O'Connell, PHD, MSW
- Clinical Social Worker
- Mill Creek, WA
National Provider Identifier
1841237609
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- LW00004619
- Practice address
- 16300 Mill Creek Blvd
202
Mill Creek, WA 98012-1737 - Phone
- (425) 741-1405
- Fax
- (425) 745-5865
- NPI assigned
- Jun 1, 2006
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | LW00004619 | WA | Primary |
Addresses
Primary practice location
16300 Mill Creek Blvd
202
Mill Creek, WA 98012-1737
Mailing address
16300 Mill Creek Blvd
202
Mill Creek, WA 98012-1737
Phone (425) 741-1405
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LW00004619 | WA | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lisa C. Trifiletti | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Community/Behavioral Health Agency
- Lynnwood, WA
- NPI 1740658400
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149120000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1841237609",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "16300 MILL CREEK BLVD",
"address_2": "202",
"city": "MILL CREEK",
"state": "WA",
"postal_code": "980121737",
"telephone_number": "425-741-1405",
"fax_number": "425-745-5865"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16300 MILL CREEK BLVD",
"address_2": "202",
"city": "MILL CREEK",
"state": "WA",
"postal_code": "980121737",
"telephone_number": "425-741-1405",
"fax_number": "425-745-5865"
}
],
"practiceLocations": [],
"basic": {
"last_name": "O'CONNELL",
"first_name": "MICHAEL",
"middle_name": "A",
"credential": "PHD, MSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-01",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "WA",
"license": "LW00004619",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Mill Creek, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.