Marshall Marcus, M.D.
NPI 1609160563 · Clinical Cardiac Electrophysiology Physician · St Petersburg, FL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Marcus, M.D. is a Clinical Cardiac Electrophysiology Physician provider in St Petersburg, FL (NPI 1609160563).
Provider details
- NPI number
- 1609160563
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- P26497 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,000 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) |
|---|---|---|
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 377 | $21 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 300 | $30 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 198 | $131 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 183 | $15 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 122 | $123 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 189 | 57 |
| Metoprolol Succinate | 83 | 35 |
| Rivaroxabanbrand: Xarelto | 60 | 15 |
| Amiodarone Hcl | 54 | 25 |
| Carvedilol | 53 | 17 |
| Lisinopril | 40 | 19 |
| Amlodipine Besylate | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,633 across 110 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
Additional practice locations (1)
- 2401 W Belvedere AveBaltimore, MD 21215-5216Phone: (410) 601-9386
Registry dates
- Enumerated
- 2011-06-07
- Last updated
- 2019-11-06
Frequently asked questions
- What is Marshall Marcus's NPI number?
- Marshall Marcus's National Provider Identifier (NPI) is 1609160563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Marcus's specialty?
- Marshall Marcus is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Marcus located?
- Marshall Marcus's practice location on file with NPPES is 6006 49th St N Ste 200, St Petersburg, FL 33709-2149.
- What is Marshall Marcus's phone number?
- The practice phone number listed in the NPPES registry for Marshall Marcus is (727) 490-2100.
- Does Marshall Marcus accept Medicare?
- Marshall Marcus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Marcus's NPI active?
- Yes — Marshall Marcus's NPI (1609160563) is active in the NPPES registry as of the last update on 2019-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.