Nathalie D. McKenzie, MD
NPI 1598966061ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· Orlando, FL
Obstetrics & Gynecology, Gynecologic Oncology (MD) in Orlando, Florida, trained at State University of New York at Buffalo School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $565,472 for 448 claims, against $78,538 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 6 companies reporting payments in 2025, $29,106 in all, mostly consulting fees.
Overview
| NPI | 1598966061 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 30, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | ME100220 | FL |
| Obstetrics & Gynecology | 207V00000X | ME100220 | FL |
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 - Gynecological Oncology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 120 |
|---|---|
| Services billed | 463 across 43 procedure codes |
| Paid by Medicare | $78,538 |
Part D prescriptions in 2024
| Prescriptions (claims) | 448 · 520 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $565,472 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Gynecological Oncology |
| Telehealth | Offers telehealth |
Medical group
- Florida Hospital Medical Group IncOrlando, FL · 1,755 clinicians
Hospital affiliations
- Adventhealth OrlandoOrlando, FL
- Adventhealth WatermanTavares, FL
Industry payments (Open Payments)
- 2025$29,106 · 19 payments from 6 companies
- 2024$34,734 · 25 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $12,759 | 8 |
| Pfizer Inc. | $11,380 | 5 |
| Glaxosmithkline, LLC. | $4,600 | 2 |
| Abbvie Inc. | $143.93 | 2 |
| Fennec Pharmaceuticals, Inc. | $121.85 | 1 |
What the 2025 payments were for
- Consulting Fee$15,980 · 7 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,520 · 2 payments
- Travel and Lodging$1,117 · 5 payments
- Food and Beverage$488.63 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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