Quick answers
- Does Fernando L. Martinez Colon accept Medicare assignment?
- Yes. Medicare's clinician data says Fernando L. Martinez Colon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Fernando L. Martinez Colon's NPI number?
- 1891945713. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Fernando L. Martinez Colon works
Medicare's Facility Affiliation Data lists Fernando L. Martinez Colon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hospital Oncologico Dr Isaac Gonzalez MartinezSan Juan, PR · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 400012
- Hospital Universitario de AdultosRio Piedras, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400061
Practice locations
Addresses where Fernando L. Martinez Colon is enrolled with Medicare (CMS data updated October 2, 2026).
- Bo Monacillos, Centro Medico De PrSan Juan, PR 00935
- Bo Monacillos, Centro Medico De Puerto RicoRio Piedras, PR 00935 (787) 754‑0101
Group practices
Medicare enrollment lists Fernando L. Martinez Colon as a member of this group (CMS data updated October 2, 2026).
- Recinto de Ciencias Medicas247 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Puerto Rico →
Other colorectal surgeons in San Juan
Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.
Other clinicians in Recinto de Ciencias Medicas
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891945713 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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