Quick answers
- Which hospitals does Antonio Riera - March work at?
- Medicare's official clinician data lists Antonio Riera - March at 1 hospital: Hospital Universitario de Adulto. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Antonio Riera - March see patients?
- Medicare's clinician data lists 1 practice location in San Juan, PR. Call before your visit to confirm the address.
- What is Antonio Riera - March's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Antonio Riera - March accept Medicare assignment?
- Yes. Medicare's clinician data says Antonio Riera - March 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 Antonio Riera - March?
- (787) 758-2525, as listed in official Medicare / NPI Registry data.
- What is Antonio Riera - March's NPI number?
- 1437119518. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Antonio Riera - March works
Medicare's Facility Affiliation Data lists Antonio Riera - March at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital Universitario de AdultoRio Piedras, PR · Acute Care Hospital · CCN 400061
Practice locations
Addresses where Antonio Riera - March is enrolled with Medicare (CMS data updated 2026-10-02).
- Upr Rcm Escuela De Medicina Ppmi, Oficina A 563San Juan, PR 00936 (787) 758‑2525
Group practices
Medicare enrollment lists Antonio Riera - March as a member of this group (CMS data updated 2026-10-02).
- Recinto de Ciencias Medicas247 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in San Juan
Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437119518 |
| 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