Quick answers
- Does Joel A. Matos-Matos accept Medicare assignment?
- Medicare's clinician data says Joel A. Matos-Matos may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Joel A. Matos-Matos see?
- In 2024, CMS data shows 20 Original Medicare patients and 28 services for Joel A. Matos-Matos. This counts Original Medicare only and measures volume, not quality.
- What is Joel A. Matos-Matos's NPI number?
- 1144562992. 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 Joel A. Matos-Matos, 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 | 20 |
|---|---|
| Services billed to Medicare | 28 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)20 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%
Hospitals where Joel A. Matos-Matos works
Medicare's Facility Affiliation Data lists Joel A. Matos-Matos 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.
- Doctors Center Hospital Carolina LLCCarolina, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400132
Practice locations
Addresses where Joel A. Matos-Matos is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 Calle CasiaSan Juan, PR 00921 (787) 372‑5695
Specialties
- Infectious Diseaseprimary
Other infectious disease 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 | May accept for some services |
| NPI (National Provider Identifier) | 1144562992 |
| 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