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Cardiovascular Disease (Cardiology)

Marshall B. Marcus, MD

Works at hospitals in Saint Petersburg, FL · Florida

Summary

Marshall B. Marcus, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 3 hospitals in Saint Petersburg, FL. NPI 1609160563. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marshall B. Marcus, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
MaleGender (as listed)
West Florida Cardiology Network, LLCGroup practice

Quick answers

Which hospitals does Marshall B. Marcus work at?
Medicare's official clinician data lists Marshall B. Marcus at 3 hospitals: HCA Florida Northside Hospital, HCA Florida St Petersburg Hospital and St Anthonys Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marshall B. Marcus see patients?
Medicare's clinician data lists 1 practice location in Saint Petersburg, FL. Call before your visit to confirm the address.
What is Marshall B. Marcus's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Marshall B. Marcus accept Medicare assignment?
Yes. Medicare's clinician data says Marshall B. Marcus accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Marshall B. Marcus?
(727) 490-2100, as listed in official Medicare / NPI Registry data.
What is Marshall B. Marcus's NPI number?
1609160563. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marshall B. Marcus works

Medicare's Facility Affiliation Data lists Marshall B. Marcus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Marshall B. Marcus is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marshall B. Marcus as a member of this group (CMS data updated 2026-10-02).

  • West Florida Cardiology Network, LLC83 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Florida →

Other cardiologists in Saint Petersburg

Clinicians with the same Medicare primary specialty in Saint Petersburg, FL — not a recommendation.

All cardiologists in Saint Petersburg →

Clinician information

CredentialMD
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609160563
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians