Derek A. Melby, DO
NPI 1033266473ActiveIndividual· Internal Medicine· South Holland, IL
Internal Medicine (DO) in South Holland, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1995). In 2024 Medicare paid $47,361 for 204 patients, and Part D covered 577 of their prescriptions, 85% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $45.40 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1033266473 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 5, 2007 |
| Last updated in NPPES | May 30, 2023 |
| Certified by provider | Sep 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036145502 | IL |
| Hospitalist | 208M00000X | 036145502 | 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 - Internal Medicine (IL); Practitioner - Internal Medicine (NC); Practitioner - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 571 across 14 procedure codes |
| Paid by Medicare | $47,361 |
Part D prescriptions in 2024
| Prescriptions (claims) | 577 · 705 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $48,364 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliation
- Advocate Trinity HospitalChicago, IL
Industry payments (Open Payments)
- 2025$45.40 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $45.40 | 2 |
What the 2025 payments were for
- Food and Beverage$45.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in South Holland
- 1366507535
- 1225116346
- 1467474395
- 1659803039
- 1619904992
- 1700413887
- 1194130302
- 1417991449
- 1356802102
- 1275553661
- 1164050050
- 1437165594