Quick answers
- Does Vivian O. La accept Medicare assignment?
- Yes. Medicare's clinician data says Vivian O. La 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 Vivian O. La see?
- In 2024, CMS data shows 174 Original Medicare patients and 408 services for Vivian O. La. This counts Original Medicare only and measures volume, not quality.
- What is Vivian O. La's NPI number?
- 1033839238. 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 Vivian O. La, 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 | 174 |
|---|---|
| Services billed to Medicare | 408 |
| 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)91 services
- Photography of the retina (92250)63 services
- Established patient complete exam of visual system (92014)61 services
- Measurement of corneal curvature and depth of eye (92136)57 services
- Exam of visual field with extended testing (92083)36 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%
- Arthritis40%
- Diabetes35%
- Ischemic heart disease33%
- Chronic kidney disease25%
Practice locations
Addresses where Vivian O. La is enrolled with Medicare (CMS data updated October 2, 2026).
- 4415 Crenshaw RdPasadena, TX 77504 (281) 977‑8888
- 455 E Medical Ctr Blvd, Suite 110Webster, TX 77598 (281) 332‑1397
- 6565 W Loop SBellaire, TX 77401 (713) 797‑1010
Group practices
Medicare enrollment lists Vivian O. La as a member of this group (CMS data updated October 2, 2026).
- Eye Center of Texas LLP19 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, TX — not a recommendation.
Other clinicians in Eye Center of Texas LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Alabama Birmingham - School Of Optometry |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033839238 |
| 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