Christian Twamley, OD
NPI 1144210592ActiveIndividual· Optometrist· Arlington, TX
Optometrist (OD) in Arlington, Texas, trained at University of Houston - College of Optometry (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $422,906 for 631 claims, against $72,750 paid for services in 2024. Biotissue Holdings Inc. was the largest of 9 companies reporting payments in 2025, $1,030 in all, mostly food and beverage.
Overview
| NPI | 1144210592 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Oct 26, 2005 |
| Last updated in NPPES | May 23, 2023 |
| Certified by provider | May 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 05462TG | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 1,257 across 21 procedure codes |
| Paid by Medicare | $72,750 |
Part D prescriptions in 2024
| Prescriptions (claims) | 631 · 1,190 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $422,906 |
| Generic share | 29% of claims |
Education and affiliations
| Medical school | University of Houston - College of Optometry |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Medical group
- Vision Expo Group PLLCArlington, TX · 2 clinicians
Industry payments (Open Payments)
- 2025$1,030 · 29 payments from 9 companies
- 2024$1,265 · 39 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotissue Holdings Inc. | $226.39 | 3 |
| Bausch & Lomb Americas Inc. | $178.48 | 8 |
| Alcon Vision LLC | $165.21 | 3 |
| Harrow Eye, LLC | $162.71 | 4 |
| Sun Pharmaceutical Industries Inc. | $80.33 | 3 |
What the 2025 payments were for
- Food and Beverage$1,030 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 103 optometrists in Arlington · All optometrists in Texas