Quick answers
- Which hospitals does Karines Rivera Marrero work at?
- Medicare's official clinician data lists Karines Rivera Marrero at 1 hospital: Auxilio Mutuo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karines Rivera Marrero see patients?
- Medicare's clinician data lists 2 practice locations, including San Juan, PR. Call before your visit to confirm the address.
- What is Karines Rivera Marrero's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Karines Rivera Marrero accept Medicare assignment?
- Yes. Medicare's clinician data says Karines Rivera Marrero 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 Karines Rivera Marrero's NPI number?
- 1780811331. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karines Rivera Marrero works
Medicare's Facility Affiliation Data lists Karines Rivera Marrero at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Auxilio Mutuo HospitalSan Juan, PR · Acute Care Hospital · CCN 400016
Practice locations
Addresses where Karines Rivera Marrero is enrolled with Medicare (CMS data updated 2026-10-02).
Group practices
Medicare enrollment lists Karines Rivera Marrero as a member of this group (CMS data updated 2026-10-02).
- GRH Anesthesia Group, PSC10 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in San Juan
Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780811331 |
| 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