Quick answers
- Does Juan P. Rey Mendoza accept Medicare assignment?
- Yes. Medicare's clinician data says Juan P. Rey Mendoza 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 Juan P. Rey Mendoza see?
- In 2024, CMS data shows 356 Original Medicare patients and 1,532 services for Juan P. Rey Mendoza. This counts Original Medicare only and measures volume, not quality.
- What is Juan P. Rey Mendoza's NPI number?
- 1649622275. 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 Juan P. Rey Mendoza, 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 | 356 |
|---|---|
| Services billed to Medicare | 1,532 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)526 services
- Critical care, first 30-74 minutes (99291)436 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)131 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)59 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)44 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%
- Diabetes68%
- Chronic kidney disease61%
- Heart failure60%
- Ischemic heart disease54%
Hospitals where Juan P. Rey Mendoza works
Medicare's Facility Affiliation Data lists Juan P. Rey Mendoza 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 Hospital at RenaissanceEdinburg, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450869
- Knapp Medical CenterWeslaco, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450128
- South Texas Health SystemEdinburg, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450119
Practice locations
Addresses where Juan P. Rey Mendoza is enrolled with Medicare (CMS data updated October 2, 2026).
- 1604 E 8th St, Suite AWeslaco, TX 78596 (956) 447‑5557
- 5300 N McColl Rd, Suite 100McAllen, TX 78504 (956) 630‑1000
Group practices
Medicare enrollment lists Juan P. Rey Mendoza as a member of this group (CMS data updated October 2, 2026).
- Ricardo Abreu, M.D., PA29 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Weslaco
Clinicians with the same Medicare primary specialty in Weslaco, TX — not a recommendation.
Other clinicians in Ricardo Abreu, M.D., PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649622275 |
| 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