Quick answers
- Which hospitals does Mari Rivera work at?
- Medicare's official clinician data lists Mari Rivera at 2 hospitals: AdventHealth Daytona Beach and AdventHealth Orlando. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mari Rivera see patients?
- Medicare's clinician data lists 3 practice locations, including Winter Park, FL, Orlando, FL and Maitland, FL. Call before your visit to confirm the address.
- What is Mari Rivera's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Mari Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Mari Rivera 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 Mari Rivera?
- (407) 200-2700, as listed in official Medicare / NPI Registry data.
- What is Mari Rivera's NPI number?
- 1154550051. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mari Rivera works
Medicare's Facility Affiliation Data lists Mari Rivera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Daytona BeachDaytona Beach, FL · Acute Care Hospital · CCN 100068
- AdventHealth OrlandoOrlando, FL · Acute Care Hospital · CCN 100007
Practice locations
Addresses where Mari Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1925 Mizell AveWinter Park, FL 32792
- 2415 N Orange AveOrlando, FL 32804
- 2600 Westhall LnMaitland, FL 32751 (407) 200‑2700
Group practices
Medicare enrollment lists Mari Rivera as a member of this group (CMS data updated 2026-10-02).
- Florida Hospital Medical Group Inc1,755 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Winter Park
Clinicians with the same Medicare primary specialty in Winter Park, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154550051 |
| 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