Irving J. Hwang, MD
NPI 1225015175ActiveIndividual· Family Medicine· Chantilly, VA
Family Medicine (MD) in Chantilly, Virginia, trained at University of Virginia School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $141,965 for 1,845 claims, against $57,777 paid for services in 2024.
Overview
| NPI | 1225015175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 30, 2005 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Oct 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 0101227639 | VA |
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 - Family Practice (DC); Practitioner - Family Practice (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 175 |
|---|---|
| Services billed | 748 across 28 procedure codes |
| Paid by Medicare | $57,777 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,845 · 5,045 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $141,965 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Fairfax Family Practice Centers PCManassas, VA · 106 clinicians
Hospital affiliation
- Stonesprings Hospital CenterDulles, VA
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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