Quick answers
- Does Benny Nieves-Matias accept Medicare assignment?
- Yes. Medicare's clinician data says Benny Nieves-Matias 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 Benny Nieves-Matias see?
- In 2024, CMS data shows 11 Original Medicare patients and 15 services for Benny Nieves-Matias. This counts Original Medicare only and measures volume, not quality.
- What is Benny Nieves-Matias's NPI number?
- 1669874681. 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 Benny Nieves-Matias, 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 | 11 |
|---|---|
| Services billed to Medicare | 15 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Hospitals where Benny Nieves-Matias works
Medicare's Facility Affiliation Data lists Benny Nieves-Matias 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 Menonita Humacao, IncHumacao, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400011
Practice locations
Addresses where Benny Nieves-Matias is enrolled with Medicare (CMS data updated October 2, 2026).
- 1757 Lopez Landron StSan Juan, PR 00921 (787) 234‑8235
- 1757 Lopez Landron St, Urb. Santiago IglesiasSan Juan, PR 00921
Specialties
- General Practiceprimary
Other general practitioners in San Juan
Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ponce School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669874681 |
| 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