Marcus St John, MD
NPI 1073510269 · Interventional Cardiology Physician · Miami, FL
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus St John, MD is a Interventional Cardiology Physician provider in Miami, FL (NPI 1073510269).
Provider details
- NPI number
- 1073510269
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME90609 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,991 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 469 | $142 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 409 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 388 | $18 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 217 | $16 |
| Technetium Tc-99m Sestamibi, Diagnostic, Per Study DoseA9500 | 84 | $115 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 739 | 252 |
| Atorvastatin Calcium | 636 | 217 |
| Metoprolol Succinate | 502 | 162 |
| Amlodipine Besylate | 399 | 136 |
| Ezetimibe | 360 | 119 |
| Carvedilol | 349 | 99 |
| Losartan Potassium | 303 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,970 across 31 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-01
- Last updated
- 2022-01-30
- Certified
- 2022-01-30
Frequently asked questions
- What is Marcus St John's NPI number?
- Marcus St John's National Provider Identifier (NPI) is 1073510269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus St John's specialty?
- Marcus St John is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus St John located?
- Marcus St John's practice location on file with NPPES is 8950 N Kendall Dr, Miami, FL 33176-2132.
- What is Marcus St John's phone number?
- The practice phone number listed in the NPPES registry for Marcus St John is (305) 412-3558.
- Does Marcus St John accept Medicare?
- Marcus St John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus St John's NPI active?
- Yes — Marcus St John's NPI (1073510269) is active in the NPPES registry as of the last update on 2022-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.