Christopher John Differding, PA-C
NPI 1295002715ActiveIndividual· Physician Assistant· Spring Valley, IL
Physician Assistant (PA-C) with T4 Medical PLLC and 1 other group, practicing in Spring Valley, Illinois. In 2024 Medicare paid $237,182 for 1,296 patients, and Part D covered 3,302 of their prescriptions, 87% of them generic. Abbvie Inc. reported $24.46 in payments in 2025, mostly food and beverage. Lists Osf Saint Clare Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1295002715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 29, 2011 |
| Last updated in NPPES | Aug 3, 2020 |
| Certified by provider | Aug 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085.004245 | 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 - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,296 |
|---|---|
| Services billed | 6,267 across 28 procedure codes |
| Paid by Medicare | $237,182 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,302 · 5,924 30-day fills |
|---|---|
| Patients | 932 |
| Total drug cost | $299,002 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- T4 Medical PLLCOttawa, IL · 32 clinicians
- Pai Participant 27, PCWaterloo, IL · 9 clinicians
Hospital affiliations
- Osf Saint Clare Medical CenterPrinceton, IL
- Osf Saint Elizabeth Mdl CtrPeru, IL
- Osf Saint Paul Medical CenterMendota, IL
Industry payments (Open Payments)
- 2025$24.46 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $24.46 | 1 |
What the 2025 payments were for
- Food and Beverage$24.46 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Spring Valley
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