Marlen Saras Mata, OD
NPI 1043887524ActiveIndividual· Optometrist· San Antonio, TX
Optometrist (OD) with Sitterle Vision Source PLLC and 1 other group, practicing in San Antonio, Texas. Mostly services rather than prescriptions: Medicare paid $1,655 for 17 patients in 2024, with only 22 Part D claims. Coopervision Inc. was the largest of 4 companies reporting payments in 2025, $473.16 in all, mostly food and beverage.
Overview
| NPI | 1043887524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Jun 4, 2021 |
| Last updated in NPPES | Apr 14, 2026 |
| Certified by provider | Apr 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 10351T | TX |
| Optometrist | 152W00000X | 798 | ND |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (MN); Practitioner - Optometry (NM); Practitioner - Optometry (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 23 across 7 procedure codes |
| Paid by Medicare | $1,655 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 26 30-day fills |
|---|---|
| Total drug cost | $550.31 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Optometry |
Medical groups
- Sitterle Vision Source PLLCSan Antonio, TX · 3 clinicians
- Robison Eyecare PLLCSan Antonio, TX · 2 clinicians
Industry payments (Open Payments)
- 2025$473.16 · 7 payments from 4 companies
- 2024$118.82 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $239.32 | 4 |
| Alcon Vision LLC | $125.00 | 1 |
| Glaukos Corporation | $90.90 | 1 |
| Bausch & Lomb Americas Inc. | $17.94 | 1 |
What the 2025 payments were for
- Food and Beverage$473.16 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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