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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.

ANDREA SIEG MSW
NPI 1487099297
Social Worker in Ann Arbor, MI

Active since May 07, 2013PECOS Enrolled
950 VICTORS WAY STE 10, ANN ARBOR, MI 48108(734) 975-5000 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Andrea Sieg Msw NPPES

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

ANDREA SIEG MSW (NPI 1487099297) is an individual social worker in Ann Arbor, Michigan, licensed in Michigan (6801095127) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487099297
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameANDREA SIEGCredential: MSW
Location Address950 VICTORS WAY STE 10Ann Arbor, MI 48108-5217
Mailing AddressPo Box 40412Belfast, ME 04915-1255 · (734) 975-5000
Phone(734) 975-5000
Sole ProprietorYes
Enumeration DateMay 7, 2013
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
✔ NPI 1487099297 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 · 6801095127
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.
950 VICTORS WAY STE 10, Ann Arbor, MI 48108
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrea Sieg Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 2

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

ELIZABETH ANN HABRECHT PA-C
Physician Assistant
950 VICTORS WAY STE 10
ANN ARBOR, MI 48108
Washtenaw County (734) 975-5000
MRS. ASHLEY MAE HOWARD NP-C
Nurse Practitioner
950 VICTORS WAY STE 10
ANN ARBOR, MI 48108
Washtenaw County (734) 975-5000

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 Andrea Sieg's NPI number?

The NPI number for Andrea Sieg is 1487099297. It was assigned to this individual provider in the NPPES registry on May 7, 2013.

Where is Andrea Sieg located?

Andrea Sieg practices at 950 Victors Way Ste 10, Ann Arbor, MI 48108. The listed phone number is (734) 975-5000.

What is Andrea Sieg's specialty?

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

Is Andrea Sieg enrolled in Medicare?

Yes. Andrea Sieg is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Andrea Sieg was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 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.