Dal Chun, MD
NPI 1578587135ActiveIndividual· Ophthalmology, Retina Specialist· Vienna, VA
Ophthalmology, Retina Specialist (MD) in Vienna, Virginia, trained at Rutgers New Jersey Medical School (class of 2000). In 2024 Medicare paid $3,291,918 for 1,256 patients, and Part D covered 332 of their prescriptions, 70% of them generic. Regeneron Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $10,112 in all, mostly consulting fees.
Overview
| NPI | 1578587135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Oct 5, 2026 |
| Certified by provider | Oct 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 0101232470 | VA |
| Ophthalmology | 207W00000X | 0101232470 | VA |
| Ophthalmology | 207W00000X | MD40363 | DC |
| Ophthalmology, Retina Specialist | 207WX0107X | D0073940 | 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 (DC); Practitioner - Ophthalmology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,256 |
|---|---|
| Services billed | 34,714 across 49 procedure codes |
| Paid by Medicare | $3,291,918 |
Part D prescriptions in 2024
| Prescriptions (claims) | 332 · 571 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $12,716 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Ophthalmology |
Medical group
- The Retina Group of Washington PLLCSilver Spring, MD · 84 clinicians
Hospital affiliation
- Inova Fair Oaks HospitalFairfax, VA
Industry payments (Open Payments)
- 2025$10,112 · 33 payments from 8 companies
- 2024$551.90 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $9,585 | 16 |
| Regeneron Healthcare Solutions, Inc. | $175.33 | 5 |
| Abbvie Inc. | $94.96 | 4 |
| Astellas Pharma US Inc | $93.54 | 3 |
| Apellis Pharmaceuticals, Inc. | $68.09 | 2 |
What the 2025 payments were for
- Consulting Fee$8,460 · 3 payments
- Travel and Lodging$853.53 · 6 payments
- Food and Beverage$798.66 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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