Theresa M. Durbin, PA-C
NPI 1639120967ActiveIndividual· Physician Assistant· Springfield, IL
Physician Assistant (PA-C) with Springfield Clinic, LLP, practicing in Springfield, Illinois. In 2024 Medicare paid $58,266 for 531 patients, and Part D covered 871 of their prescriptions, 86% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 18 companies reporting payments in 2025, $823.58 in all, mostly food and beverage. Lists Carlinville Area Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1639120967 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 12, 2006 |
| Last updated in NPPES | May 22, 2020 |
| Certified by provider | May 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085001121 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 531 |
|---|---|
| Services billed | 1,336 across 15 procedure codes |
| Paid by Medicare | $58,266 |
Part D prescriptions in 2024
| Prescriptions (claims) | 871 · 1,819 30-day fills |
|---|---|
| Patients | 270 |
| Total drug cost | $73,304 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
Hospital affiliations
- Carlinville Area HospitalCarlinville, IL
- Hillsboro Area HospitalHillsboro, IL
- Memorial Medical CenterSpringfield, IL
- St Francis HospitalLitchfield, IL
- Taylorville Memorial HospitalTaylorville, IL
Industry payments (Open Payments)
- 2025$823.58 · 39 payments from 18 companies
- 2024$306.86 · 15 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $135.20 | 5 |
| Calliditas Therapeutics US Inc. | $121.45 | 5 |
| Novartis Pharmaceuticals Corporation | $76.58 | 5 |
| Amgen Inc. | $70.95 | 3 |
| Otsuka America Pharmaceutical, Inc. | $66.77 | 3 |
What the 2025 payments were for
- Food and Beverage$823.58 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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