Quick answers
- Does Japhet D. Matos Nieves accept Medicare assignment?
- Medicare's clinician data says Japhet D. Matos Nieves may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Japhet D. Matos Nieves's NPI number?
- 1538756333. 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 Japhet D. Matos Nieves is enrolled with Medicare (CMS data updated October 2, 2026).
- Calle Jose Mendez Cardona, Suite 3San Sebastian, PR 00685 (787) 896‑1850
- Carr 2 Km, 6 Bo. Terranova Calle Marginal Del ParqueQuebradillas, PR 00678
Group practices
Medicare enrollment lists Japhet D. Matos Nieves as a member of these groups (CMS data updated October 2, 2026).
- Centro de Diagnostico y Tratamiento de San Sebastian Inc8 clinicians in the group
- Policlinica Familiar Shalom Inc5 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in San Sebastian
Clinicians with the same Medicare primary specialty in San Sebastian, PR — not a recommendation.
Other clinicians in Centro de Diagnostico y Tratamiento de San Sebastian Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1538756333 |
| 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 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