Zackery Oakey, MD
NPI 1720320872ActiveIndividual· Ophthalmology, Retina Specialist· Irvine, CA
Ophthalmology, Retina Specialist (MD) in Irvine, California, trained at University of Utah School of Medicine (class of 2013). In 2024 Medicare paid $83,715 for 90 patients, and Part D covered 323 of their prescriptions, 79% of them generic. Immunocore Limited was the largest of 8 companies reporting payments in 2025, $2,480 in all, mostly honoraria.
Overview
| NPI | 1720320872 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2013 |
| Last updated in NPPES | Oct 20, 2026 |
| Certified by provider | Oct 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | A134573 | CA |
| Ophthalmology | 207W00000X | A134573 | 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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 868 across 42 procedure codes |
| Paid by Medicare | $83,715 |
Part D prescriptions in 2024
| Prescriptions (claims) | 323 · 513 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $14,304 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Ophthalmology |
Medical groups
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$2,480 · 17 payments from 8 companies
- 2024$158.75 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Immunocore Limited | $2,014 | 6 |
| Delcath Systems | $148.31 | 1 |
| Abbvie Inc. | $81.01 | 3 |
| Alcon Vision LLC | $76.02 | 1 |
| Genentech USA, Inc. | $61.89 | 2 |
What the 2025 payments were for
- Honoraria$1,680 · 1 payment
- Food and Beverage$800.27 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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