David Castellano, MD
NPI 1639112691ActiveIndividual· Ophthalmology· Columbus, OH
Ophthalmology (MD) in Columbus, Ohio, trained at Geisel School of Medicine at Dartmouth (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $119,557 for 323 claims, against $24,112 paid for services in 2024. Alcon Vision LLC reported $21.40 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1639112691 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Sep 12, 2025 |
| Certified by provider | Sep 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 35063857 | OH |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 583 across 12 procedure codes |
| Paid by Medicare | $24,112 |
Part D prescriptions in 2024
| Prescriptions (claims) | 323 · 476 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $119,557 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | Geisel School of Medicine at Dartmouth |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Ophthalmology |
Hospital affiliation
- Ohio State University State Health SystemColumbus, OH
Industry payments (Open Payments)
- 2024$21.40 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $21.40 | 1 |
What the 2024 payments were for
- Food and Beverage$21.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 109 ophthalmologists in Columbus · All ophthalmologists in Ohio