Darren Knight, MD
NPI 1891181095ActiveIndividual· Ophthalmology, Retina Specialist· Long Beach, CA
Ophthalmology, Retina Specialist (MD) in Long Beach, California, trained at Columbia University College of Physicians and Surgeons (class of 2015). In 2024 Medicare paid $408,211 for 405 patients, and Part D covered 468 of their prescriptions, 58% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 7 companies reporting payments in 2025, $456.58 in all, mostly food and beverage.
Overview
| NPI | 1891181095 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 14, 2015 |
| Last updated in NPPES | Aug 17, 2023 |
| Certified by provider | Aug 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | A147400 | CA |
| Ophthalmology | 207W00000X | A147400 | 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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 405 |
|---|---|
| Services billed | 9,232 across 41 procedure codes |
| Paid by Medicare | $408,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 468 · 747 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $52,175 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Ophthalmology |
Medical groups
- Lakewood Eye Physicians and Surgeons Inc A Medical GroupLakewood, CA · 8 clinicians
- Kenneth J Miller MD A Medical CorpSan Pedro, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$456.58 · 11 payments from 7 companies
- 2024$363.34 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $199.09 | 3 |
| Alcon Vision LLC | $76.02 | 1 |
| Genentech USA, Inc. | $56.26 | 2 |
| Astellas Pharma US Inc | $50.14 | 2 |
| Ani Pharmaceuticals, Inc. | $30.79 | 1 |
What the 2025 payments were for
- Food and Beverage$456.58 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Ophthalmology, Retina Specialist providers in California