Julian Vassay, M.D.
NPI 1003922782ActiveIndividual· Internal Medicine· Mattoon, IL
Internal Medicine (M.D.) in Mattoon, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,359,905 for 10,060 claims, against $106,813 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $398.41 in all, mostly food and beverage.
Overview
| NPI | 1003922782 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 22, 2006 |
| Last updated in NPPES | Jan 8, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-092334 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 12,018 across 29 procedure codes |
| Paid by Medicare | $106,813 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,060 · 22,154 30-day fills |
|---|---|
| Patients | 508 |
| Total drug cost | $1,359,905 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
Medical group
- Sarah Bush Lincoln Health CenterAltamont, IL · 419 clinicians
Hospital affiliation
- Sarah Bush Lincoln Health CenterMattoon, IL
Other facilities
- Sarah Bush Lincoln Home CareHome health agency · Charleston, IL
Industry payments (Open Payments)
- 2025$398.41 · 26 payments from 6 companies
- 2024$534.20 · 31 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $183.78 | 14 |
| Novo Nordisk Inc | $69.55 | 4 |
| Lilly USA, LLC | $56.44 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $35.10 | 2 |
| Exact Sciences Corporation | $34.28 | 2 |
What the 2025 payments were for
- Food and Beverage$398.41 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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