Quick answers
- Where does Alwin Negron-Rivera see patients?
- Medicare's clinician data lists 2 practice locations, including Corozal, PR. Call before your visit to confirm the address.
- What is Alwin Negron-Rivera's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also General Practice.
- Does Alwin Negron-Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Alwin Negron-Rivera 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 Alwin Negron-Rivera?
- (787) 859-2560, as listed in official Medicare / NPI Registry data.
- What is Alwin Negron-Rivera's NPI number?
- 1134504814. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Alwin Negron-Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- Carr 891 Km, 1 Bo PuebloCorozal, PR 00783 (787) 859‑2560
- Carr Pr, 891 Esquina Carr Pr 159Corozal, PR 00783 (787) 859‑2560
Group practices
Medicare enrollment lists Alwin Negron-Rivera as a member of this group (CMS data updated 2026-10-02).
- Salud Integral en la Montana Inc61 clinicians in the group
Specialties
- Internal Medicineprimary
- General Practicealso
Other internal medicine doctors in Puerto Rico
Clinicians with the same Medicare primary specialty in Puerto Rico — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | College Of Physicians And Surgeons (california) |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134504814 |
| 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
- 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