Active NPI
Lorelei Olivia Siemasz, LLMSW
- Social Worker
- Farmington Hills, MI
National Provider Identifier
1508472358
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 6851122371
- Practice address
- 30903 W 10 Mile Rd
Farmington Hills, MI 48336-2615 - Phone
- (517) 580-2225
- NPI assigned
- Sep 17, 2020
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | 6851122371 | MI | Primary |
Addresses
Primary practice location
30903 W 10 Mile Rd
Farmington Hills, MI 48336-2615
Mailing address
6900 E 10 Mile Rd
Center Line, MI 48015-1168
Other practice location 1
6900 E 10 Mile Rd
Center Line, MI 48015-1168
Phone (586) 501-3070
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)
- Not enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1600300800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789430400000",
"number": "1508472358",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6900 E 10 MILE RD",
"city": "CENTER LINE",
"state": "MI",
"postal_code": "480151168"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "30903 W 10 MILE RD",
"city": "FARMINGTON HILLS",
"state": "MI",
"postal_code": "483362615",
"telephone_number": "517-580-2225"
}
],
"practiceLocations": [
{
"address_1": "6900 E 10 Mile Rd",
"address_purpose": "LOCATION",
"city": "Center Line",
"state": "MI",
"postal_code": "480151168",
"country_code": "US",
"telephone_number": "586-501-3070",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SIEMASZ",
"first_name": "LORELEI",
"middle_name": "OLIVIA",
"credential": "LLMSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-09-17",
"last_updated": "2026-09-15",
"certification_date": "2026-09-15",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "MI",
"license": "6851122371",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Farmington Hills, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.