Matthew Ryan Chiapa, OD
NPI 1255818225ActiveIndividual· Optometrist· Las Vegas, NV
Optometrist (OD) with Cory T Steed O D Prof Corp and 1 other group, practicing in Las Vegas, Nevada. Their prescriptions cost Medicare Part D more than their services did: $125,586 for 592 claims, against $59,591 paid for services in 2024. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $416.30 in all, mostly food and beverage.
Overview
| NPI | 1255818225 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jul 23, 2018 |
| Last updated in NPPES | Jul 23, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 986 | NV |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 357 |
|---|---|
| Services billed | 737 across 17 procedure codes |
| Paid by Medicare | $59,591 |
Part D prescriptions in 2024
| Prescriptions (claims) | 592 · 932 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $125,586 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Optometry |
Medical groups
- Cory T Steed O D Prof CorpLas Vegas, NV · 2 clinicians
- IcarelasvegasLas Vegas, NV · 2 clinicians
Industry payments (Open Payments)
- 2025$416.30 · 19 payments from 5 companies
- 2024$1,186 · 55 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $121.80 | 6 |
| Sun Pharmaceutical Industries Inc. | $100.41 | 4 |
| Biotissue Holdings Inc. | $85.02 | 4 |
| Tarsus Pharmaceuticals, Inc. | $78.56 | 4 |
| Mallinckrodt Hospital Products Inc. | $30.51 | 1 |
What the 2025 payments were for
- Food and Beverage$416.30 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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