Marc Howard Greenstein, MD
NPI 1164402764ActiveIndividual· Internal Medicine· Pembroke Pines, FL
Internal Medicine (MD) in Pembroke Pines, Florida, trained at University of Miami, Lm Miller School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $399,792 for 5,709 claims, against $76,585 paid for services in 2024. Amgen Inc. reported $17.40 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1164402764 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 19, 2006 |
| Last updated in NPPES | Apr 29, 2022 |
| Certified by provider | Apr 29, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME0061551 | 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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 429 |
|---|---|
| Services billed | 2,058 across 31 procedure codes |
| Paid by Medicare | $76,585 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,709 · 13,595 30-day fills |
|---|---|
| Patients | 673 |
| Total drug cost | $399,792 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
Medical group
- Evergreen Medical Center, PAPembroke Pines, FL · 3 clinicians
Hospital affiliations
- Memorial Hospital MiramarMiramar, FL
- Memorial Hospital WestPembroke Pines, FL
Industry payments (Open Payments)
- 2025$17.40 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $17.40 | 1 |
What the 2025 payments were for
- Food and Beverage$17.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 219 internal medicine physicians in Pembroke Pines · All internal medicine physicians in Florida