Quick answers
- Which hospitals does Alejandro J. Lopez Mas work at?
- Medicare's official clinician data lists Alejandro J. Lopez Mas at 1 hospital: Hospital Damas Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alejandro J. Lopez Mas see patients?
- Medicare's clinician data lists 1 practice location in Ponce, PR. Call before your visit to confirm the address.
- What is Alejandro J. Lopez Mas's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Alejandro J. Lopez Mas accept Medicare assignment?
- Yes. Medicare's clinician data says Alejandro J. Lopez Mas 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 Alejandro J. Lopez Mas?
- (787) 492-2000, as listed in official Medicare / NPI Registry data.
- What is Alejandro J. Lopez Mas's NPI number?
- 1043487960. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alejandro J. Lopez Mas works
Medicare's Facility Affiliation Data lists Alejandro J. Lopez Mas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital Damas IncPonce, PR · Acute Care Hospital · CCN 400022
Practice locations
Addresses where Alejandro J. Lopez Mas is enrolled with Medicare (CMS data updated 2026-10-02).
- Edificio Parra, Suite 603 2213 Ponce By PassPonce, PR 00716 (787) 492‑2000
Group practices
Medicare enrollment lists Alejandro J. Lopez Mas as a member of this group (CMS data updated 2026-10-02).
- Innovative Cardiology2 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Puerto Rico →
Other cardiologists in Ponce
Clinicians with the same Medicare primary specialty in Ponce, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043487960 |
| 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