Robert W. Holloway, MD
NPI 1538109137ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· Orlando, FL
Obstetrics & Gynecology, Gynecologic Oncology (MD) in Orlando, Florida, trained at Vanderbilt University School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $1,403,478 for 1,161 claims, against $216,240 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $87,316 in all, mostly speaking and faculty fees.
Overview
| NPI | 1538109137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Dec 7, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | ME58193 | 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 | 312 |
|---|---|
| Services billed | 1,459 across 86 procedure codes |
| Paid by Medicare | $216,240 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,161 · 1,399 30-day fills |
|---|---|
| Patients | 300 |
| Total drug cost | $1,403,478 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Gynecological Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Florida Hospital Medical Group IncOrlando, FL · 1,755 clinicians
- Ability Health Services and Rehabilitation LPSanford, FL · 1,269 clinicians
- Ability Health Services, IncSanford, FL · 1,258 clinicians
Hospital affiliations
- Adventhealth Daytona BeachDaytona Beach, FL
- Adventhealth Fish MemorialOrange City, FL
- Adventhealth New Smyrna BeachNew Smyrna Beach, FL
- Adventhealth OrlandoOrlando, FL
- Adventhealth WatermanTavares, FL
Industry payments (Open Payments)
- 2025$87,316 · 54 payments from 4 companies
- 2024$68,537 · 49 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $36,840 | 20 |
| Merck Sharp & Dohme LLC | $31,001 | 20 |
| Glaxosmithkline, LLC. | $19,386 | 13 |
| Caris Mpi, Inc. | $89.10 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$63,753 · 16 payments
- Consulting Fee$13,543 · 3 payments
- Travel and Lodging$8,709 · 22 payments
- Food and Beverage$1,312 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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