Ellen Therese Haas, M.D.
NPI 1124256854ActiveIndividual· Obstetrics & Gynecology· Peoria, IL
Obstetrics & Gynecology (M.D.) in Peoria, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $20,177 for 157 claims, against $5,875 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 12 companies reporting payments in 2025, $776.19 in all, mostly food and beverage.
Overview
| NPI | 1124256854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2009 |
| Last updated in NPPES | Jul 1, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 125.056269 | IL |
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 - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 113 across 12 procedure codes |
| Paid by Medicare | $5,875 |
Part D prescriptions in 2024
| Prescriptions (claims) | 157 · 338 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $20,177 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Thornton and Haas, S.C.Normal, IL · 2 clinicians
Hospital affiliations
- Carle Bromenn Medical CenterNormal, IL
- St Joseph Medical CenterBloomington, IL
Industry payments (Open Payments)
- 2025$776.19 · 35 payments from 12 companies
- 2024$925.44 · 42 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $207.45 | 8 |
| Astellas Pharma US Inc | $179.82 | 8 |
| Biogen, Inc. | $77.19 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $55.53 | 3 |
| Lilly USA, LLC | $54.81 | 2 |
What the 2025 payments were for
- Food and Beverage$776.19 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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