Christopher J. Winslow, MD
NPI 1780605352ActiveIndividual· Internal Medicine, Pulmonary Disease· Evanston, IL
Internal Medicine, Pulmonary Disease (MD) in Evanston, Illinois, trained at Ohio State University College of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $2,037,031 for 2,667 claims, against $107,910 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $748.81 in all, mostly food and beverage.
Overview
| NPI | 1780605352 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | Dec 8, 2020 |
| Certified by provider | Dec 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036087067 | IL |
| Internal Medicine | 207R00000X | 036087067 | IL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 036087067 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 602 |
|---|---|
| Services billed | 1,364 across 27 procedure codes |
| Paid by Medicare | $107,910 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,667 · 3,815 30-day fills |
|---|---|
| Patients | 401 |
| Total drug cost | $2,037,031 |
| Generic share | 40% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$748.81 · 42 payments from 5 companies
- 2024$655.89 · 53 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $296.23 | 22 |
| Glaxosmithkline, LLC. | $148.74 | 14 |
| Genzyme Corporation | $141.89 | 1 |
| Regeneron Healthcare Solutions, Inc. | $140.89 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $21.06 | 1 |
What the 2025 payments were for
- Food and Beverage$748.81 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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