Daniel Adam Greninger, M.D.
NPI 1861666059ActiveIndividual· Ophthalmology· Antioch, CA
Ophthalmology (M.D.) in Antioch, California, licensed in CA and OR, with an NPI issued in April 2008. Part D covered 103 prescriptions written in 2024, 89% of them generic.
Overview
| NPI | 1861666059 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2008 |
| Last updated in NPPES | Jan 13, 2022 |
| Certified by provider | Jan 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A109166 | CA |
| Ophthalmology | 207W00000X | MD157095 | OR |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 103 · 234 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $6,143 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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