Quick answers
- Which hospitals does Seth J. Marquit work at?
- Medicare's official clinician data lists Seth J. Marquit at 3 hospitals: HCA Florida Osceola Hospital, HCA Florida University Hospital and Mount Sinai Medical Center of Florida, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Seth J. Marquit see patients?
- Medicare's clinician data lists 3 practice locations, including Aventura, FL, Miami, FL and Kissimmee, FL. Call before your visit to confirm the address.
- What is Seth J. Marquit's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Seth J. Marquit accept Medicare assignment?
- Yes. Medicare's clinician data says Seth J. Marquit 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 Seth J. Marquit?
- (305) 692-1000, as listed in official Medicare / NPI Registry data.
- What is Seth J. Marquit's NPI number?
- 1588694798. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Seth J. Marquit works
Medicare's Facility Affiliation Data lists Seth J. Marquit at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Florida Osceola HospitalKissimmee, FL · Acute Care Hospital · CCN 100110
- HCA Florida University HospitalDavie, FL · Acute Care Hospital · CCN 100360
- Mount Sinai Medical Center of Florida, IncMiami Beach, FL · Acute Care Hospital · CCN 100034
Practice locations
Addresses where Seth J. Marquit is enrolled with Medicare (CMS data updated 2026-10-02).
- 2845 Aventura BlvdAventura, FL 33180 (305) 692‑1000
- 4300 Alton RdMiami, FL 33140 (305) 674‑2064
- 700 W Oak, Osceola Regional Medical CenterKissimmee, FL 34741 (407) 846‑2266
Group practices
Medicare enrollment lists Seth J. Marquit as a member of these groups (CMS data updated 2026-10-02).
- Emergency Medicine Services of Fl LLC712 clinicians in the group
- Sterling Emergency Services of Miami Beach PA49 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Aventura
Clinicians with the same Medicare primary specialty in Aventura, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588694798 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians