Benjamin C. Chaon, MD
NPI 1902245830ActiveIndividual· Ophthalmology· Baltimore, MD
Ophthalmology (MD) in Baltimore, Maryland, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2013). In 2024 Medicare paid $47,540 for 273 patients, and Part D covered 348 of their prescriptions, 70% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 6 companies reporting payments in 2025, $537.18 in all, mostly food and beverage.
Overview
| NPI | 1902245830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 25, 2013 |
| Last updated in NPPES | Oct 15, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | D0085758 | MD |
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 (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 273 |
|---|---|
| Services billed | 774 across 31 procedure codes |
| Paid by Medicare | $47,540 |
Part D prescriptions in 2024
| Prescriptions (claims) | 348 · 599 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $42,508 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Ophthalmology |
Medical group
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
Hospital affiliation
- Christiana HospitalNewark, DE
Industry payments (Open Payments)
- 2025$537.18 · 15 payments from 6 companies
- 2024$390.35 · 15 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $212.13 | 6 |
| Biotissue Holdings Inc. | $121.60 | 1 |
| Genentech USA, Inc. | $107.21 | 4 |
| Dompe US, Inc. | $61.14 | 2 |
| Amgen Inc. | $18.83 | 1 |
What the 2025 payments were for
- Food and Beverage$537.18 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 265 ophthalmologists in Baltimore · All ophthalmologists in Maryland