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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LORELEI OLIVIA SIEMASZ LLMSW
NPI 1508472358
Social Worker in Farmington Hills, MI

Active since September 17, 2020
30903 W 10 MILE RD, FARMINGTON HILLS, MI 48336(517) 580-2225 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 15, 2026, Jun 2, 2026, Sep 17, 2020 (3 updates tracked since 2020).

About Lorelei Olivia Siemasz Llmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LORELEI OLIVIA SIEMASZ LLMSW (NPI 1508472358) is an individual social worker in Farmington Hills, Michigan, licensed in Michigan (6851122371) and active in the NPI registry since September 2020. She maintains a secondary practice location in Center Line.

NPPES Registry Identity

NPI1508472358
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameLORELEI OLIVIA SIEMASZCredential: LLMSW
Location Address30903 W 10 MILE RDFarmington Hills, MI 48336-2615
Mailing Address6900 E 10 Mile RdCenter Line, MI 48015-1168
Phone(517) 580-2225
Sole ProprietorNo
Enumeration DateSeptember 17, 2020
Last NPPES UpdateSeptember 15, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1508472358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MI · 6851122371
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
30903 W 10 MILE RD, Farmington Hills, MI 48336
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Secondary Practice Location 1

Location 16900 E 10 Mile RdCenter Line, MI 48015-1168 · Phone (586) 501-3070

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAIMIE MARIE DURDEN OTRL
Occupational Therapist
30903 W 10 MILE RD
FARMINGTON HILLS, MI 48336
Oakland County (248) 893-6192

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lorelei Siemasz's NPI number?

The NPI number for Lorelei Siemasz is 1508472358. It was assigned to this individual provider in the NPPES registry on September 17, 2020.

Where is Lorelei Siemasz located?

Lorelei Siemasz practices at 30903 W 10 Mile Rd, Farmington Hills, MI 48336. The listed phone number is (517) 580-2225.

What is Lorelei Siemasz's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Lorelei Siemasz was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.