Quick answers
- Does Diego J. Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Diego J. Diaz 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 Diego J. Diaz's NPI number?
- 1598396129. 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 Diego J. Diaz is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Paseo San Pablo, Edif Cadilla Oficina 405Bayamon, PR 00961 (787) 269‑5655
- 410 Ave De Diego Condominio Windsor Tower, Apt 1006San Juan, PR 00923
- 410 Calle De DiegoSan Juan, PR 00923
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Bayamon
Clinicians with the same Medicare primary specialty in Bayamon, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598396129 |
| 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