Josiah Hamilton, PA-C
NPI 1265800163ActiveIndividual· Physician Assistant· Springfield, IL
Physician Assistant (PA-C) with Springfield Clinic, LLP, practicing in Springfield, Illinois. Their prescriptions cost Medicare Part D more than their services did: $275,796 for 488 claims, against $40,123 paid for services in 2024. Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $485.57 in all, mostly food and beverage. Lists Memorial Medical Center as a hospital affiliation.
Overview
| NPI | 1265800163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 9, 2015 |
| Last updated in NPPES | May 22, 2020 |
| Certified by provider | May 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085005614 | 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 | 349 |
|---|---|
| Services billed | 1,151 across 16 procedure codes |
| Paid by Medicare | $40,123 |
Part D prescriptions in 2024
| Prescriptions (claims) | 488 · 508 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $275,796 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
Hospital affiliation
- Memorial Medical CenterSpringfield, IL
Industry payments (Open Payments)
- 2025$485.57 · 14 payments from 8 companies
- 2024$205.03 · 10 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $206.87 | 4 |
| Abbvie Inc. | $92.48 | 3 |
| Galderma Laboratories, L.P. | $63.61 | 1 |
| Novartis Pharmaceuticals Corporation | $41.86 | 2 |
| Almirall LLC | $35.56 | 1 |
What the 2025 payments were for
- Food and Beverage$385.58 · 13 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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