Dianna Rebecca Aliav, OD
NPI 1851079354ActiveIndividual· Optometrist· Thousand Oaks, CA
Optometrist (OD) in Thousand Oaks, California, licensed in CA, with an NPI issued in July 2023. Mostly services rather than prescriptions: Medicare paid $5,121 for 41 patients in 2024, with only 13 Part D claims. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $162.29 in all, mostly food and beverage.
Overview
| NPI | 1851079354 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Jul 6, 2023 |
| Last updated in NPPES | Sep 19, 2023 |
| Certified by provider | Sep 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 35557 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 41 |
|---|---|
| Services billed | 75 across 13 procedure codes |
| Paid by Medicare | $5,121 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 13 30-day fills |
|---|---|
| Total drug cost | $157.75 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$162.29 · 4 payments from 3 companies
- 2024$259.44 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $69.91 | 1 |
| Tarsus Pharmaceuticals, Inc. | $59.59 | 2 |
| Johnson & Johnson Vision Care, Inc. | $32.79 | 1 |
What the 2025 payments were for
- Food and Beverage$162.29 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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