Isaac A. Roberg, PA
NPI 1447297676ActiveIndividual· Physician Assistant· Carbondale, IL
Physician Assistant (PA) with Southern Illinois Medical Services Nfp, practicing in Carbondale, Illinois. 349 Medicare patients in 2024, $154,413 paid; nearly all of their 924 Part D prescriptions were generic (98%). Boston Scientific Corporation was the largest of 5 companies reporting payments in 2025, $640.51 in all, mostly food and beverage. Lists Harrisburg Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1447297676 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | May 31, 2006 |
| Last updated in NPPES | Nov 18, 2025 |
| Certified by provider | Nov 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085002411 | 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 | 349 |
|---|---|
| Services billed | 18,228 across 43 procedure codes |
| Paid by Medicare | $154,413 |
Part D prescriptions in 2024
| Prescriptions (claims) | 924 · 994 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $28,348 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Southern Illinois Medical Services NfpCarterville, IL · 334 clinicians
Hospital affiliations
- Harrisburg Medical CenterHarrisburg, IL
- Herrin HospitalHerrin, IL
- Memorial Hospital of CarbondaleCarbondale, IL
- St Joseph Memorial HospitalMurphysboro, IL
Industry payments (Open Payments)
- 2025$640.51 · 36 payments from 5 companies
- 2024$475.05 · 33 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $269.99 | 21 |
| Abbvie Inc. | $191.51 | 9 |
| Medtronic, Inc. | $83.17 | 2 |
| Vertex Pharmaceuticals Incorporated | $72.02 | 3 |
| Abbott Laboratories | $23.82 | 1 |
What the 2025 payments were for
- Food and Beverage$640.51 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 68 physician assistants in Carbondale · All physician assistants in Illinois