John Erick Esser, OD
NPI 1790855062ActiveIndividual· Optometrist· Fullerton, CA
Optometrist (OD) with John D Zdral MD Inc, practicing in Fullerton, California. In 2024 Medicare paid $14,393 for 149 patients, and Part D covered 72 of their prescriptions, 65% of them generic. Coopervision Inc. reported $25.86 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1790855062 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Nov 8, 2006 |
| Last updated in NPPES | Aug 7, 2026 |
| Certified by provider | Aug 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 11350T | 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 | 149 |
|---|---|
| Services billed | 193 across 10 procedure codes |
| Paid by Medicare | $14,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 72 · 120 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $8,481 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- John D Zdral MD IncFullerton, CA · 3 clinicians
Industry payments (Open Payments)
- 2025$25.86 · 1 payment from 1 company
- 2024$41.92 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $25.86 | 1 |
What the 2025 payments were for
- Food and Beverage$25.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 94 optometrists in Fullerton · All optometrists in California