Quick answers
- Which hospitals does Mark Marilley work at?
- Medicare's official clinician data lists Mark Marilley at 5 hospitals: AdventHealth Fish Memorial, AdventHealth Ocala, Baptist Health Hardin, Eastern Idaho Regional Medical Center and HCA Florida Lawnwood Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Marilley see patients?
- Medicare's clinician data lists 3 practice locations, including Tampa, FL, Elizabethtown, KY and Wesley Chapel, FL. Call before your visit to confirm the address.
- What is Mark Marilley's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Hospitalist.
- Does Mark Marilley accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Marilley 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 Marilley?
- (813) 615-7260, as listed in official Medicare / NPI Registry data.
- What is Mark Marilley's NPI number?
- 1407852353. 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 Marilley works
Medicare's Facility Affiliation Data lists Mark Marilley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Fish MemorialOrange City, FL · Acute Care Hospital · CCN 100072
- AdventHealth OcalaOcala, FL · Acute Care Hospital · CCN 100062
- Baptist Health HardinElizabethtown, KY · Acute Care Hospital · CCN 180012
- Eastern Idaho Regional Medical CenterIdaho Falls, ID · Acute Care Hospital · CCN 130018
- HCA Florida Lawnwood HospitalFort Pierce, FL · Acute Care Hospital · CCN 100246
Practice locations
Addresses where Mark Marilley is enrolled with Medicare (CMS data updated 2026-10-02).
- 13901 Bruce B Downs BlvdTampa, FL 33613 (813) 615‑7260
- 1700 Ring RdElizabethtown, KY 42701 (270) 769‑5551
- 2700 Healing WayWesley Chapel, FL 33543
Group practices
Medicare enrollment lists Mark Marilley as a member of these groups (CMS data updated 2026-10-02).
- Baptist Health Medical Group Inc2,472 clinicians in the group
- Florida Hospital Physician Group Inc979 clinicians in the group
Specialties
- Gastroenterologyprimary
- Hospitalistalso
Other gastroenterologists in Tampa
Clinicians with the same Medicare primary specialty in Tampa, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407852353 |
| 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