Diego A. Arenas, PA-C
NPI 1659023364ActiveIndividual· Physician Assistant· Vernon Hills, IL
Physician Assistant (PA-C) in Vernon Hills, Illinois, trained at Northwestern University Feinberg Medical School (class of 2023). 332 Medicare patients in 2024, $32,306 paid; nearly all of their 234 Part D prescriptions were generic (90%). Incyte Corporation reported $125.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1659023364 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jan 24, 2022 |
| Last updated in NPPES | Sep 25, 2023 |
| Certified by provider | Sep 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085009840 | 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 - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 640 across 26 procedure codes |
| Paid by Medicare | $32,306 |
Part D prescriptions in 2024
| Prescriptions (claims) | 234 · 267 30-day fills |
|---|---|
| Patients | 163 |
| Total drug cost | $6,049 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Physician Assistant |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$125.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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