Quick answers
- Which hospitals does Mark Mercier work at?
- Medicare's official clinician data lists Mark Mercier at 3 hospitals: Beaufort County Memorial Hospital, HCA Florida Citrus Hospital and Marion Communtiy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Mercier see patients?
- Medicare's clinician data lists 2 practice locations, including Orlando, FL and Beaufort, SC. Call before your visit to confirm the address.
- What is Mark Mercier's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mark Mercier accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Mercier 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 Mark Mercier?
- (689) 216-8000, as listed in official Medicare / NPI Registry data.
- What is Mark Mercier's NPI number?
- 1548220296. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Mercier works
Medicare's Facility Affiliation Data lists Mark Mercier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaufort County Memorial HospitalBeaufort, SC · Acute Care Hospital · CCN 420067
- HCA Florida Citrus HospitalInverness, FL · Acute Care Hospital · CCN 100023
- Marion Communtiy HospitalOcala, FL · Acute Care Hospital · CCN 100212
Practice locations
Addresses where Mark Mercier is enrolled with Medicare (CMS data updated 2026-10-02).
- 6700 Lake Nona Blvd, HCA Ucf Lake Nona Medical CenterOrlando, FL 32827 (689) 216‑8000
- 955 Ribaut RdBeaufort, SC 29902 (843) 522‑5983
Group practices
Medicare enrollment lists Mark Mercier as a member of these groups (CMS data updated 2026-10-02).
- Emergency Medicine Services of Fl LLC712 clinicians in the group
- Beaufort County Memorial Hospital194 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Orlando
Clinicians with the same Medicare primary specialty in Orlando, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548220296 |
| 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