David De Leon, MD
NPI 1417022583ActiveIndividual· Hospitalist· Evanston, IL
Hospitalist (MD) with Endeavor Health Medical Group, practicing in Evanston, Illinois. 361 Medicare patients in 2024, $105,212 paid; nearly all of their 219 Part D prescriptions were generic (90%). Pfizer Inc. reported $18.53 in payments in 2025, mostly food and beverage. Lists Northshore University Healthsystem - Evanston Hospital as a hospital affiliation.
Overview
| NPI | 1417022583 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 22, 2006 |
| Last updated in NPPES | Oct 29, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036111885 | IL |
| Internal Medicine | 207R00000X | 036111885 | 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 - Hospitalist (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 361 |
|---|---|
| Services billed | 1,222 across 15 procedure codes |
| Paid by Medicare | $105,212 |
Part D prescriptions in 2024
| Prescriptions (claims) | 219 · 297 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $13,113 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$18.53 · 1 payment from 1 company
- 2024$33.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $18.53 | 1 |
What the 2025 payments were for
- Food and Beverage$18.53 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 136 hospitalists in Evanston · All hospitalists in Illinois