Quick answers
- Does Thelzy R. Zamarron accept Medicare assignment?
- Yes. Medicare's clinician data says Thelzy R. Zamarron 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 Thelzy R. Zamarron see?
- In 2024, CMS data shows 237 Original Medicare patients and 549 services for Thelzy R. Zamarron. This counts Original Medicare only and measures volume, not quality.
- What is Thelzy R. Zamarron's NPI number?
- 1902525694. 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 Thelzy R. Zamarron, 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 | 237 |
|---|---|
| Services billed to Medicare | 549 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient problem focused exam of visual system (92012)124 services
- Established patient complete exam of visual system (92014)122 services
- Photography of the retina (92250)108 services
- New patient complete exam of visual system (92004)84 services
- Imaging of optic nerve (92133)31 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%
- Diabetes54%
- Arthritis48%
- Ischemic heart disease37%
- Chronic kidney disease27%
Practice locations
Addresses where Thelzy R. Zamarron is enrolled with Medicare (CMS data updated October 2, 2026).
- 1119 Fenwick Dr, Suite 101Laredo, TX 78041 (956) 652‑4321
Group practices
Medicare enrollment lists Thelzy R. Zamarron as a member of this group (CMS data updated October 2, 2026).
- Laura Mendiola, MD, PLLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Laredo
Clinicians with the same Medicare primary specialty in Laredo, TX — not a recommendation.
Other clinicians in Laura Mendiola, MD, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2022 (4 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902525694 |
| 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