Marcus St John, MD
NPI 1073510269ActiveIndividual· Internal Medicine, Interventional Cardiology· Miami, FL
Internal Medicine, Interventional Cardiology (MD) in Miami, Florida, trained at Harvard Medical School (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,250,545 for 6,099 claims, against $133,512 paid for services in 2024. Boston Scientific Corporation was the largest of 10 companies reporting payments in 2025, $1,248 in all, mostly food and beverage.
Overview
| NPI | 1073510269 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 1, 2005 |
| Last updated in NPPES | Jan 30, 2022 |
| Certified by provider | Jan 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | ME90609 | 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 - Interventional Cardiology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 845 |
|---|---|
| Services billed | 2,240 across 49 procedure codes |
| Paid by Medicare | $133,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,099 · 16,548 30-day fills |
|---|---|
| Patients | 792 |
| Total drug cost | $1,250,545 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Interventional Cardiology |
| Telehealth | Offers telehealth |
Medical groups
- Baptist Health Medical Group Physicians LLCMiami, FL · 670 clinicians
- Baptist Outpatient Services IncCoral Gables, FL · 199 clinicians
- Baptist Echocardiography Associates IncMiami, FL · 26 clinicians
- Baptist Ekg Associates IncMiami, FL · 23 clinicians
Hospital affiliations
- Baptist Hospital of MiamiMiami, FL
- Homestead HospitalHomestead, FL
- Mariners HospitalTavernier, FL
- South Miami HospitalMiami, FL
- West Kendall Baptist HospitalMiami, FL
Industry payments (Open Payments)
- 2025$1,248 · 18 payments from 10 companies
- 2024$3,970 · 31 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $323.06 | 3 |
| Cleerly, Inc. | $224.39 | 1 |
| Zoll Circulation Inc | $216.89 | 2 |
| Medtronic, Inc. | $164.39 | 1 |
| Abbott Laboratories | $140.62 | 2 |
What the 2025 payments were for
- Food and Beverage$1,248 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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