Quick answers
- Does Jesus R. Casal accept Medicare assignment?
- Medicare's clinician data says Jesus R. Casal may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jesus R. Casal see?
- In 2024, CMS data shows 72 Original Medicare patients and 83 services for Jesus R. Casal. This counts Original Medicare only and measures volume, not quality.
- What is Jesus R. Casal's NPI number?
- 1477583144. 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 Jesus R. Casal, 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 | 72 |
|---|---|
| Services billed to Medicare | 83 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Sleep study in sleep lab with continuous airway pressure (6 years or older) (95811)42 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 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%
- Diabetes63%
- Arthritis51%
- Chronic kidney disease36%
- Ischemic heart disease28%
Hospitals where Jesus R. Casal works
Medicare's Facility Affiliation Data lists Jesus R. Casal 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.
- Auxilio Mutuo HospitalSan Juan, PR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 400016
Practice locations
Addresses where Jesus R. Casal is enrolled with Medicare (CMS data updated October 2, 2026).
- Ponce De Leon Km, 3 9th FloorSan Juan, PR 00919
Specialties
- Internal Medicineprimary
- Critical Care (Intensivists)also
- Pulmonary Diseasealso
- Sleep Medicinealso
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 |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1477583144 |
| 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