John Geoffrey Allen, M.D.
NPI 1821084096ActiveIndividual· Ophthalmology· Columbus, OH
Ophthalmology (M.D.) in Columbus, Ohio, trained at Ohio State University College of Medicine (class of 1986). In 2024 Medicare paid $84,256 for 419 patients, and Part D covered 343 of their prescriptions, 67% of them generic.
Overview
| NPI | 1821084096 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 23, 2005 |
| Last updated in NPPES | Jan 27, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 35056570 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 419 |
|---|---|
| Services billed | 1,130 across 24 procedure codes |
| Paid by Medicare | $84,256 |
Part D prescriptions in 2024
| Prescriptions (claims) | 343 · 566 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $15,846 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Ophthalmology |
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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