Quick answers
- Does Ernesto Trevino accept Medicare assignment?
- Medicare's clinician data says Ernesto Trevino may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Ernesto Trevino see?
- In 2024, CMS data shows 74 Original Medicare patients and 844 services for Ernesto Trevino. This counts Original Medicare only and measures volume, not quality.
- What is Ernesto Trevino's NPI number?
- 1891780185. 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 Ernesto Trevino, 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 | 74 |
|---|---|
| Services billed to Medicare | 844 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)445 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)224 services
- Insertion of needle into vein for collection of blood sample (36415)116 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)13 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%
- Ischemic heart disease65%
- Diabetes51%
- Arthritis41%
- Chronic kidney disease41%
Hospitals where Ernesto Trevino works
Medicare's Facility Affiliation Data lists Ernesto Trevino 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
Practice locations
Addresses where Ernesto Trevino is enrolled with Medicare (CMS data updated October 2, 2026).
- 4208 N 23rd StMcAllen, TX 78504 (956) 682‑4264
Specialties
- Family Practiceprimary
Other family doctors in McAllen
Clinicians with the same Medicare primary specialty in McAllen, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1974 (52 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1891780185 |
| 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