Quick answers
- Does Alma R. Corbala Contreras accept Medicare assignment?
- Yes. Medicare's clinician data says Alma R. Corbala Contreras 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 Alma R. Corbala Contreras's NPI number?
- 1457333452. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alma R. Corbala Contreras works
Medicare's Facility Affiliation Data lists Alma R. Corbala Contreras 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.
- Mayaguez Medical Center Dr Ramon Emeterio BetancesMayaguez, PR · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 400103
Practice locations
Addresses where Alma R. Corbala Contreras is enrolled with Medicare (CMS data updated October 2, 2026).
- 59 Calle De Diego EMayaguez, PR 00680 (787) 831‑7821
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Mayaguez
Clinicians with the same Medicare primary specialty in Mayaguez, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1976 (50 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457333452 |
| 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