Quick answers
- Which hospitals does Luis O. Ramirez Ferrer work at?
- Medicare's official clinician data lists Luis O. Ramirez Ferrer at 1 hospital: Mayaguez Medical Center Dr Ramon Emeterio Betances…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Luis O. Ramirez Ferrer see patients?
- Medicare's clinician data lists 1 practice location in Mayaguez, PR. Call before your visit to confirm the address.
- What is Luis O. Ramirez Ferrer's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Luis O. Ramirez Ferrer accept Medicare assignment?
- Yes. Medicare's clinician data says Luis O. Ramirez Ferrer 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 Luis O. Ramirez Ferrer?
- (787) 806-1833, as listed in official Medicare / NPI Registry data.
- What is Luis O. Ramirez Ferrer's NPI number?
- 1427116797. 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 O. Ramirez Ferrer works
Medicare's Facility Affiliation Data lists Luis O. Ramirez Ferrer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayaguez Medical Center Dr Ramon Emeterio Betances…Mayaguez, PR · Acute Care Hospital · CCN 400103
Practice locations
Addresses where Luis O. Ramirez Ferrer is enrolled with Medicare (CMS data updated 2026-10-02).
- 410 Ave HostosMayaguez, PR 00682 (787) 806‑1833
Specialties
- General Surgeryprimary
Other general surgeons in Mayaguez
Clinicians with the same Medicare primary specialty in Mayaguez, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427116797 |
| 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