Quick answers
- Which hospitals does Gerson E. Alvarez work at?
- Medicare's official clinician data lists Gerson E. Alvarez at 4 hospitals: Hospital Menonita de Aibonito, Hospital Menonita de Cayey, Hospital Menonita Guayama and Hospital Menonita Ponce. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gerson E. Alvarez see patients?
- Medicare's clinician data lists 3 practice locations, including Guayama, PR, Aibonito, PR and Cayey, PR. Call before your visit to confirm the address.
- What is Gerson E. Alvarez's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gerson E. Alvarez accept Medicare assignment?
- Yes. Medicare's clinician data says Gerson E. Alvarez 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 Gerson E. Alvarez?
- (787) 434-1700, as listed in official Medicare / NPI Registry data.
- What is Gerson E. Alvarez's NPI number?
- 1821253840. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gerson E. Alvarez works
Medicare's Facility Affiliation Data lists Gerson E. Alvarez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital Menonita de AibonitoAibonito, PR · Acute Care Hospital · CCN 400018
- Hospital Menonita de CayeyCayey, PR · Acute Care Hospital · CCN 400013
- Hospital Menonita GuayamaGuayama, PR · Acute Care Hospital · CCN 400048
- Hospital Menonita PoncePonce, PR · Acute Care Hospital · CCN 400113
Practice locations
Addresses where Gerson E. Alvarez is enrolled with Medicare (CMS data updated 2026-10-02).
- Ave Pedro Albizu Campos, Urb. La HaciendaGuayama, PR 00785 (787) 434‑1700
- Calle Jose C Vazquez, Barrio CaonillasAibonito, PR 00705 (787) 434‑1700
- Carretera 14 Interior, Bo RinconCayey, PR 00737 (787) 434‑1700
Group practices
Medicare enrollment lists Gerson E. Alvarez as a member of these groups (CMS data updated 2026-10-02).
- Hospital Menonita de Cayey58 clinicians in the group
- Mennonite General Hospital Inc45 clinicians in the group
- Hospital Menonita Guayama Inc8 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Puerto Rico
Clinicians with the same Medicare primary specialty in Puerto Rico — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ponce School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821253840 |
| 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