Mark P. Welding, O.D.
NPI 1881619021ActiveIndividual· Optometrist· Arlington, TX
Optometrist (O.D.) 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: $418,282 for 1,907 claims, against $129,496 paid for services in 2024. Alcon Vision LLC was the largest of 11 companies reporting payments in 2025, $1,237 in all, mostly food and beverage.
Overview
| NPI | 1881619021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | May 4, 2020 |
| Certified by provider | May 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 05468TG | 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 | 980 |
|---|---|
| Services billed | 2,160 across 27 procedure codes |
| Paid by Medicare | $129,496 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,907 · 3,611 30-day fills |
|---|---|
| Patients | 573 |
| Total drug cost | $418,282 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | University of Houston - College of Optometry |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Medical group
- D. Todd Ford, MD PAMansfield, TX · 7 clinicians
Industry payments (Open Payments)
- 2025$1,237 · 39 payments from 11 companies
- 2024$802.90 · 27 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $310.74 | 10 |
| Abbvie Inc. | $238.79 | 8 |
| Bausch & Lomb Americas Inc. | $219.53 | 6 |
| Astellas Pharma US Inc | $146.53 | 2 |
| Tarsus Pharmaceuticals, Inc. | $103.54 | 4 |
What the 2025 payments were for
- Food and Beverage$1,237 · 39 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