Robert Alan Greenberg, MD
NPI 1568445997ActiveIndividual· Internal Medicine, Pulmonary Disease· Gainesville, FL
Internal Medicine, Pulmonary Disease (MD) in Gainesville, Florida, trained at University of Florida College of Medicine (class of 1967). Their prescriptions cost Medicare Part D more than their services did: $154,146 for 485 claims, against $34,080 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $236.36 in all, mostly food and beverage.
Overview
| NPI | 1568445997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Dec 8, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | ME13988 | FL |
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 - Pulmonary Disease (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 329 |
|---|---|
| Services billed | 398 across 14 procedure codes |
| Paid by Medicare | $34,080 |
Part D prescriptions in 2024
| Prescriptions (claims) | 485 · 825 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $154,146 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 1967 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- HCA Florida North Florida HospitalGainesville, FL
Industry payments (Open Payments)
- 2025$236.36 · 6 payments from 3 companies
- 2024$34.91 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $182.61 | 3 |
| Regeneron Healthcare Solutions, Inc. | $34.68 | 2 |
| Genzyme Corporation | $19.07 | 1 |
What the 2025 payments were for
- Food and Beverage$236.36 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 pulmonologists in Gainesville · All pulmonologists in Florida