Quick answers
- Does Juan Zequeira Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Juan Zequeira Diaz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Juan Zequeira Diaz's NPI number?
- 1154686236. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Juan Zequeira Diaz works
Medicare's Facility Affiliation Data lists Juan Zequeira Diaz at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hospital Upr, Dr Federico TrillaCarolina, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400112
Practice locations
Addresses where Juan Zequeira Diaz is enrolled with Medicare (CMS data updated October 2, 2026).
- Carretera 3 Km, 3 Avenida 65 InfanteriaCarolina, PR 00984 (787) 757‑6420
Group practices
Medicare enrollment lists Juan Zequeira Diaz as a member of this group (CMS data updated October 2, 2026).
- Recinto de Ciencias Medicas247 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Carolina
Clinicians with the same Medicare primary specialty in Carolina, PR — not a recommendation.
Other clinicians in Recinto de Ciencias Medicas
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154686236 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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