Corey Thomas Leach, OD
NPI 1427658921ActiveIndividual· Optometrist· Mesa, AZ
Optometrist (OD) with Eyes on Site PLLC, practicing in Mesa, Arizona. Their prescriptions cost Medicare Part D more than their services did: $30,273 for 194 claims, against $19,772 paid for services in 2024. Visioneering Technologies, Inc. was the largest of 9 companies reporting payments in 2024, $502.11 in all, mostly food and beverage.
Overview
| NPI | 1427658921 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Oct 26, 2020 |
| Last updated in NPPES | Apr 4, 2024 |
| Certified by provider | Apr 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT-002774 | AZ |
| Optometrist, Corneal and Contact Management | 152WC0802X | 2209DT | KY |
| Optometrist, Sports Vision | 152WS0006X | 2209DT | KY |
| Optometrist | 152W00000X | 2209DT | KY |
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 (AZ); Practitioner - Optometry (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 100 |
|---|---|
| Services billed | 724 across 20 procedure codes |
| Paid by Medicare | $19,772 |
Part D prescriptions in 2024
| Prescriptions (claims) | 194 · 275 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $30,273 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Optometry |
| Telehealth | Offers telehealth |
Medical group
- Eyes on Site PLLCMesa, AZ · 4 clinicians
Industry payments (Open Payments)
- 2024$502.11 · 10 payments from 9 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Visioneering Technologies, Inc. | $177.87 | 1 |
| Coopervision Inc. | $112.67 | 2 |
| Bausch & Lomb Americas Inc. | $92.88 | 1 |
| Tarsus Pharmaceuticals, Inc. | $23.23 | 1 |
| Thea Pharma Inc. | $20.60 | 1 |
What the 2024 payments were for
- Food and Beverage$502.11 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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