Mark Edmund Johnston, MD FRCSC
NPI 1851398168ActiveIndividual· Ophthalmology· Omaha, NE
Ophthalmology (MD FRCSC) in Omaha, Nebraska, licensed in NE and IA, with an NPI issued in June 2005. Part D covered 24 prescriptions written in 2024, 58% of them generic.
Overview
| NPI | 1851398168 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD FRCSC |
| Sole proprietor | Yes |
| NPI issued | Jun 30, 2005 |
| Last updated in NPPES | Mar 6, 2023 |
| Certified by provider | Mar 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 20412 | NE |
| Ophthalmology | 207W00000X | 31743 | IA |
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 (NE) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 52 30-day fills |
|---|---|
| Total drug cost | $2,506 |
| Generic share | 58% 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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