Anthony John E. Castanares, OD
NPI 1235629361ActiveIndividual· Optometrist· Dublin, CA
Optometrist (OD) in Dublin, California, trained at Southern California College of Optometry (class of 2017). Mostly services rather than prescriptions: Medicare paid $1,612 for 19 patients in 2024, with only 43 Part D claims. Alcon Vision LLC reported $135.68 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235629361 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | May 15, 2018 |
| Last updated in NPPES | May 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 33918TLG | CA |
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 (CA); Practitioner - Optometry (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 27 across 11 procedure codes |
| Paid by Medicare | $1,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 74 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $1,020 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Southern California College of Optometry |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Optometry |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2025$135.68 · 1 payment from 1 company
- 2024$415.67 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $135.68 | 1 |
What the 2025 payments were for
- Food and Beverage$135.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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