Quick answers
- Does Elba R. Martin Reyes accept Medicare assignment?
- Yes. Medicare's clinician data says Elba R. Martin Reyes 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 Elba R. Martin Reyes see?
- In 2024, CMS data shows 118 Original Medicare patients and 518 services for Elba R. Martin Reyes. This counts Original Medicare only and measures volume, not quality.
- What is Elba R. Martin Reyes's NPI number?
- 1003808742. 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 Elba R. Martin Reyes, 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 | 118 |
|---|---|
| Services billed to Medicare | 518 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)111 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)110 services
- Test to measure rate of airflow (94375)71 services
- Test to measure largest amount of air breathed in an out (94200)65 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)26 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%
- Diabetes69%
- Arthritis47%
- Chronic kidney disease46%
- Asthma38%
Hospitals where Elba R. Martin Reyes works
Medicare's Facility Affiliation Data lists Elba R. Martin Reyes 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
- Centro Cardiovascular de Puerto Rico y el CaribeSan Juan, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400124
Practice locations
Addresses where Elba R. Martin Reyes is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Ave San Patricio, Suite 1240Guaynabo, PR 00968 (787) 545‑5124
Specialties
- Pulmonary Diseaseprimary
- Internal Medicinealso
Other pulmonologists in Guaynabo
Clinicians with the same Medicare primary specialty in Guaynabo, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003808742 |
| 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