Quick answers
- Does Maria Isabel Triana accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Isabel Triana 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 Maria Isabel Triana see?
- In 2024, CMS data shows 98 Original Medicare patients and 467 services for Maria Isabel Triana. This counts Original Medicare only and measures volume, not quality.
- What is Maria Isabel Triana's NPI number?
- 1548441439. 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 Maria Isabel Triana, 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 | 98 |
|---|---|
| Services billed to Medicare | 467 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient problem focused exam of visual system (92012)113 services
- Established patient complete exam of visual system (92014)71 services
- Photography of the retina (92250)65 services
- Exam of visual field with extended testing (92083)55 services
- Exam of the internal drainage system of eye (92020)41 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 cholesterol75%
- High blood pressure74%
- Arthritis52%
- Diabetes38%
- Ischemic heart disease31%
- Chronic kidney disease22%
Practice locations
Addresses where Maria Isabel Triana is enrolled with Medicare (CMS data updated October 2, 2026).
- 4456 Lockhill Selma Rd, 102 San Antonio EyeSan Antonio, TX 78249 (210) 485‑1488
Group practices
Medicare enrollment lists Maria Isabel Triana as a member of this group (CMS data updated October 2, 2026).
- Relief Jones, III, M.D., PLLC2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Relief Jones, III, M.D., PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548441439 |
| 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
- 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