Quick answers
- Does Raul Melendez Ayala accept Medicare assignment?
- Yes. Medicare's clinician data says Raul Melendez Ayala 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 Raul Melendez Ayala see?
- In 2024, CMS data shows 51 Original Medicare patients and 311 services for Raul Melendez Ayala. This counts Original Medicare only and measures volume, not quality.
- What is Raul Melendez Ayala's NPI number?
- 1528155363. 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 Raul Melendez Ayala, 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 | 51 |
|---|---|
| Services billed to Medicare | 311 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)122 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)47 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)45 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)14 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)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%
- Chronic kidney disease75%
- Diabetes71%
- Heart failure51%
- Arthritis45%
Hospitals where Raul Melendez Ayala works
Medicare's Facility Affiliation Data lists Raul Melendez Ayala 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 Espanol Auxilio Mutuo San PabloBayamon, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400109
Practice locations
Addresses where Raul Melendez Ayala is enrolled with Medicare (CMS data updated October 2, 2026).
- Torre San Pablo, Suite 906Bayamon, PR 00961
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 |
|---|---|
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528155363 |
| 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