David Mathern, PA
NPI 1790896306ActiveIndividual· Physician Assistant· Sycamore, IL
Physician Assistant (PA) with Northwestern Medical Faculty Foundation and 2 other groups, practicing in Sycamore, Illinois. 307 Medicare patients in 2024, $46,181 paid; nearly all of their 859 Part D prescriptions were generic (99%). Vertex Pharmaceuticals Incorporated reported $28.88 in payments in 2025, mostly food and beverage. Lists Northwestern Medicine Central Dupage Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1790896306 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Oct 22, 2025 |
| Certified by provider | Oct 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085002781 | IL |
| Physician Assistant, Surgical | 363AS0400X | 085002781 | 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 | 307 |
|---|---|
| Services billed | 1,025 across 27 procedure codes |
| Paid by Medicare | $46,181 |
Part D prescriptions in 2024
| Prescriptions (claims) | 859 · 907 30-day fills |
|---|---|
| Patients | 252 |
| Total drug cost | $18,582 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
- Rush-Copley Orthopedics, LLCAurora, IL · 33 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$28.88 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $28.88 | 1 |
What the 2025 payments were for
- Food and Beverage$28.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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