Quick answers
- Which hospitals does Mark Fleisher work at?
- Medicare's official clinician data lists Mark Fleisher at 2 hospitals: Baptist Health Medical Center - Jacksonville and Baptist Medical Center Beaches. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Fleisher see patients?
- Medicare's clinician data lists 1 practice location in Jacksonville, FL. Call before your visit to confirm the address.
- What is Mark Fleisher's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Mark Fleisher accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Fleisher 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 Fleisher?
- (904) 398-7205, as listed in official Medicare / NPI Registry data.
- What is Mark Fleisher's NPI number?
- 1134125891. 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 Fleisher works
Medicare's Facility Affiliation Data lists Mark Fleisher at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · CCN 100088
- Baptist Medical Center BeachesJacksonville Beach, FL · Acute Care Hospital · CCN 100117
Practice locations
Addresses where Mark Fleisher is enrolled with Medicare (CMS data updated 2026-10-02).
- 4800 Belfort RdJacksonville, FL 32256 (904) 398‑7205
Group practices
Medicare enrollment lists Mark Fleisher as a member of this group (CMS data updated 2026-10-02).
- Borland Groover Clinic, PA130 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134125891 |
| 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