Jason Dy, MD
NPI 1396710265ActiveIndividual· Internal Medicine· Naperville, IL
Internal Medicine (MD) in Naperville, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $530,152 for 7,916 claims, against $124,531 paid for services in 2024. Novo Nordisk Inc was the largest of 28 companies reporting payments in 2025, $2,131 in all, mostly food and beverage.
Overview
| NPI | 1396710265 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 22, 2006 |
| Last updated in NPPES | Aug 7, 2023 |
| Certified by provider | Aug 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036089560 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 372 |
|---|---|
| Services billed | 3,191 across 86 procedure codes |
| Paid by Medicare | $124,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,916 · 20,039 30-day fills |
|---|---|
| Patients | 704 |
| Total drug cost | $530,152 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliation
- Edward HospitalNaperville, IL
Other facilities
- Residential Home HealthHome health agency · Lisle, IL
Industry payments (Open Payments)
- 2025$2,131 · 108 payments from 28 companies
- 2024$2,429 · 127 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $282.12 | 11 |
| Phathom Pharmaceuticals, Inc. | $257.17 | 8 |
| Astrazeneca Pharmaceuticals LP | $200.31 | 13 |
| Abbvie Inc. | $197.61 | 12 |
| Merck Sharp & Dohme LLC | $162.06 | 10 |
What the 2025 payments were for
- Food and Beverage$2,131 · 108 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 114 internal medicine physicians in Naperville · All internal medicine physicians in Illinois