Quick answers
- Does Luis M. Diaz Barrios accept Medicare assignment?
- Yes. Medicare's clinician data says Luis M. Diaz Barrios 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 Luis M. Diaz Barrios's NPI number?
- 1629159645. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Luis M. Diaz Barrios works
Medicare's Facility Affiliation Data lists Luis M. Diaz Barrios 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.
- Centro Medico del NoresteFajardo, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400141
Practice locations
Addresses where Luis M. Diaz Barrios is enrolled with Medicare (CMS data updated October 2, 2026).
- 303 Ave General Valero, Suite 102Fajardo, PR 00738 (787) 860‑0005
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Puerto Rico →
Other cardiologists in Fajardo
Clinicians with the same Medicare primary specialty in Fajardo, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629159645 |
| 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