Quick answers
- Does Gabriel R. Castro Colon accept Medicare assignment?
- Yes. Medicare's clinician data says Gabriel R. Castro 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.
- How many Medicare patients does Gabriel R. Castro Colon see?
- In 2024, CMS data shows 19 Original Medicare patients and 125 services for Gabriel R. Castro Colon. This counts Original Medicare only and measures volume, not quality.
- What is Gabriel R. Castro Colon's NPI number?
- 1407303282. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gabriel R. Castro Colon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 19 |
|---|---|
| Services billed to Medicare | 125 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 82 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)109 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
Hospitals where Gabriel R. Castro Colon works
Medicare's Facility Affiliation Data lists Gabriel R. Castro 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.
- Caribbean Medical CenterFajardo, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400131
- Centro Medico del NoresteFajardo, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400141
- Centro Medico Wilma N VazquezVega Baja, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400115
- Doctors Center Hospital Orlando Health DoradoDorado, PR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 400137
- Doctors' Center Hospital San JuanSanturce, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400006
Practice locations
Addresses where Gabriel R. Castro Colon is enrolled with Medicare (CMS data updated October 2, 2026).
- 1395 Calle San RafaelSan Juan, PR 00909 (787) 918‑4356
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Juan
Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407303282 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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