Jason Scott Mathias, MD
NPI 1033373329ActiveIndividual· Internal Medicine· Chicago, IL
Internal Medicine (MD) in Chicago, Illinois, trained at University of Michigan Medical School (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $437,507 for 4,539 claims, against $109,803 paid for services in 2024. Novo Nordisk Inc was the largest of 9 companies reporting payments in 2025, $592.11 in all, mostly food and beverage.
Overview
| NPI | 1033373329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 15, 2008 |
| Last updated in NPPES | Feb 26, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036.125157 | 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 | 268 |
|---|---|
| Services billed | 1,966 across 34 procedure codes |
| Paid by Medicare | $109,803 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,539 · 11,303 30-day fills |
|---|---|
| Patients | 441 |
| Total drug cost | $437,507 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Internal Medicine Associates LLCChicago, IL · 9 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
- 2025$592.11 · 25 payments from 9 companies
- 2024$877.50 · 38 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $149.83 | 6 |
| Pfizer Inc. | $135.38 | 5 |
| Amgen Inc. | $110.37 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $50.52 | 2 |
| Lilly USA, LLC | $44.27 | 2 |
What the 2025 payments were for
- Food and Beverage$592.11 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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