Quick answers
- Which hospitals does Mark S. Eisner work at?
- Medicare's official clinician data lists Mark S. Eisner at 3 hospitals: AdventHealth Dade City, AdventHealth Tampa and Adventhealth Zephyrhills. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark S. Eisner see patients?
- Medicare's clinician data lists 7 practice locations, including Wesley Chapel, FL and Zephyrhills, FL. Call before your visit to confirm the address.
- What is Mark S. Eisner's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Mark S. Eisner accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Eisner 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.
- Does Mark S. Eisner offer telehealth?
- Medicare's clinician data says Mark S. Eisner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark S. Eisner?
- (813) 751-3375, as listed in official Medicare / NPI Registry data.
- What is Mark S. Eisner's NPI number?
- 1902815103. 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 S. Eisner works
Medicare's Facility Affiliation Data lists Mark S. Eisner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Dade CityDade City, FL · Acute Care Hospital · CCN 100211
- AdventHealth TampaTampa, FL · Acute Care Hospital · CCN 100173
- Adventhealth ZephyrhillsZephyrhills, FL · Acute Care Hospital · CCN 100046
Practice locations
Addresses where Mark S. Eisner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 2352 Bruce B Downs BlvdWesley Chapel, FL 33544
- 2352 Bruce B Downs Blvd, Suite 302Zephyrhills, FL 33544 (813) 751‑3375
- 38101 Market Square DrZephyrhills, FL 33542 (813) 715‑0195
- 38103 Market Square DrZephyrhills, FL 33542 (813) 778‑0414
- 38105 Market Square DrZephyrhills, FL 33542 (813) 815‑5380
Group practices
Medicare enrollment lists Mark S. Eisner as a member of this group (CMS data updated 2026-10-02).
- Ohi West Medical Group II LLC413 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Wesley Chapel
Clinicians with the same Medicare primary specialty in Wesley Chapel, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902815103 |
| 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