Mammen P. Zachariah, MD
NPI 1154300150ActiveIndividual· Internal Medicine, Interventional Cardiology· Fort Lauderdale, FL
Internal Medicine, Interventional Cardiology (MD) with Florida Heart Rhythm Specialists PLLC, practicing in Fort Lauderdale, Florida. Their prescriptions cost Medicare Part D more than their services did: $193,679 for 1,956 claims, against $55,354 paid for services in 2024. Medtronic, Inc. reported $155.98 in payments in 2025, mostly food and beverage. Lists Holy Cross Hospital as a hospital affiliation.
Overview
| NPI | 1154300150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2006 |
| Last updated in NPPES | Aug 20, 2025 |
| Certified by provider | Aug 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | ME41759 | 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 - Interventional Cardiology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 372 |
|---|---|
| Services billed | 1,056 across 24 procedure codes |
| Paid by Medicare | $55,354 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,956 · 5,377 30-day fills |
|---|---|
| Patients | 378 |
| Total drug cost | $193,679 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1975 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
Medical group
- Florida Heart Rhythm Specialists PLLCFort Lauderdale, FL · 9 clinicians
Hospital affiliation
- Holy Cross HospitalFt Lauderdale, FL
Industry payments (Open Payments)
- 2025$155.98 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $155.98 | 1 |
What the 2025 payments were for
- Food and Beverage$155.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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