Lesley-Ann Gail Derby McCook, MD
NPI 1720665474ActiveIndividual· Internal Medicine, Hepatology· Maywood, IL
Internal Medicine, Hepatology (MD) with Hha Associates LLC, practicing in Maywood, Illinois. Part D covered 78 prescriptions written in 2024, 83% of them generic. Gilead Sciences, Inc. reported $125.98 in payments in 2025, mostly food and beverage. Lists HCA Florida Jfk Hospital as a hospital affiliation.
Overview
| NPI | 1720665474 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2021 |
| Last updated in NPPES | Jul 2, 2024 |
| Certified by provider | Jul 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hepatology Primary | 207RI0008X | 036.170844 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (FL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 78 · 151 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $11,304 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Hha Associates LLCLoxahatchee, FL · 132 clinicians
Hospital affiliation
- HCA Florida Jfk HospitalAtlantis, FL
Industry payments (Open Payments)
- 2025$125.98 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $125.98 | 1 |
What the 2025 payments were for
- Food and Beverage$125.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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