Christopher Yongsu Chang, MD
NPI 1649234824ActiveIndividual· Otolaryngology· Warrenton, VA
Otolaryngology (MD) in Warrenton, Virginia, trained at Yale University School of Medicine (class of 2000). 1,036 Medicare patients in 2024, $168,446 paid; nearly all of their 1,369 Part D prescriptions were generic (98%). Aerin Medical Inc. was the largest of 2 companies reporting payments in 2025, $793.61 in all, mostly food and beverage.
Overview
| NPI | 1649234824 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 14, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 0101237204 | VA |
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 - Otolaryngology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,036 |
|---|---|
| Services billed | 3,217 across 58 procedure codes |
| Paid by Medicare | $168,446 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,369 · 2,072 30-day fills |
|---|---|
| Patients | 404 |
| Total drug cost | $21,621 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Otolaryngology |
Medical group
- Blue Ridge Orthopaedic Associates PCGainesville, VA · 36 clinicians
Hospital affiliations
- Fauquier HospitalWarrenton, VA
- Uva Health Culpeper Medical CenterCulpeper, VA
Industry payments (Open Payments)
- 2025$793.61 · 7 payments from 2 companies
- 2024$46.52 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aerin Medical Inc. | $778.88 | 6 |
| Integra Lifesciences Corporation | $14.73 | 1 |
What the 2025 payments were for
- Food and Beverage$445.76 · 6 payments
- Travel and Lodging$347.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other otolaryngologists in Warrenton
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- 1346512225