John Losurdo, M.D.
NPI 1548205594ActiveIndividual· Internal Medicine, Gastroenterology· Chicago, IL
Internal Medicine, Gastroenterology (M.D.) in Chicago, Illinois, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1988). Mostly services rather than prescriptions: Medicare paid $27,136 for 144 patients in 2024, with only 28 Part D claims. Ferring Pharmaceuticals Inc. reported $27.79 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1548205594 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Jul 9, 2026 |
| Certified by provider | Jul 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036-081809 | 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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 144 |
|---|---|
| Services billed | 281 across 32 procedure codes |
| Paid by Medicare | $27,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 38 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $1,515 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Loyola University Medical CenterMaywood, IL · 953 clinicians
- Freeport Memorial HospitalFreeport, IL · 178 clinicians
- Freeport Regional Health Care FoundationFreeport, IL · 92 clinicians
Hospital affiliations
- Fhn Memorial HospitalFreeport, IL
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2025$27.79 · 1 payment from 1 company
- 2024$25.93 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $27.79 | 1 |
What the 2025 payments were for
- Food and Beverage$27.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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