ANNE-MARIE M ILGEN MSW
NPI 1205285889
Social Worker - Clinical in Ann Arbor, MI
About Anne-marie M Ilgen Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNE-MARIE M ILGEN MSW (NPI 1205285889) is an individual clinical provider in Ann Arbor, Michigan, licensed in Michigan (6801092933) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Anne-marie M Ilgen Msw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Anne-marie Ilgen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48105
- Reassigned Medicare billing, Michigan enrollment
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 80 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48105
ANN ARBOR, MI 48105
ANN ARBOR, MI 48105
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 Anne-marie Ilgen's NPI number?
The NPI number for Anne-marie Ilgen is 1205285889. It was assigned to this individual provider in the NPPES registry on June 6, 2016.
Where is Anne-marie Ilgen located?
Anne-marie Ilgen practices at 24 Frank Lloyd Wright Dr Suite H-2100, Ann Arbor, MI 48105. The listed phone number is (734) 647-5940.
What is Anne-marie Ilgen's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Anne-marie Ilgen enrolled in Medicare?
Yes. Anne-marie Ilgen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Anne-marie Ilgen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne-marie Ilgen reassigns Medicare benefits to 2 organizations: Anne-Marie Ilgen Lmsw LLC (Ann Arbor, MI) and Regents Of The University Of Michigan (Ann Arbor, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anne-marie Ilgen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anne-marie Ilgen accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Anne-marie Ilgen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Anne-marie Ilgen was last updated on January 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Anne-Marie M Ilgen, MSW · NPI 1205285889
Clinical provider in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since June 6, 2016.
## Identity
- **NPI:** 1205285889 (Entity type: Individual)
- **Enumerated:** June 6, 2016
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801092933 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 FRANK LLOYD WRIGHT DR, SUITE H-2100, Ann Arbor, MI 48105-9484
- **Phone:** (734) 647-5940
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Anne-Marie Ilgen Lmsw LLC (NPI 1396534806, Ann Arbor, MI); Regents Of The University Of Michigan (NPI 1356366868, Ann Arbor, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** January 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1205285889) · Data from the CMS NPPES public registry.