Anna Mae Stegemann, D.O.
NPI 1003089707ActiveIndividual· Anesthesiology· Libertyville, IL
Anesthesiology (D.O.) in Libertyville, Illinois, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2004). Medicare paid $33,292 for services to 243 patients in 2024. Merck Sharp & Dohme LLC reported $22.67 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1003089707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 2, 2008 |
| Last updated in NPPES | Jun 26, 2024 |
| Certified by provider | Jun 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 036.120892 | IL |
| Anesthesiology | 207L00000X | 20A9638 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 243 |
|---|---|
| Services billed | 280 across 58 procedure codes |
| Paid by Medicare | $33,292 |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Anesthesiology |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
Industry payments (Open Payments)
- 2025$22.67 · 1 payment from 1 company
- 2024$68.03 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $22.67 | 1 |
What the 2025 payments were for
- Food and Beverage$22.67 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 anesthesiologists in Libertyville · All anesthesiologists in Illinois