Brian Gisu Chang, M.D.
NPI 1659803021ActiveIndividual· Emergency Medicine· Covington, LA
Emergency Medicine (M.D.) with Barron Emergency Physicians LLC and 2 other groups, practicing in Covington, Louisiana. 368 Medicare patients in 2024, $52,623 paid; nearly all of their 197 Part D prescriptions were generic (97%). Mentor Worldwide LLC reported $237.92 in payments in 2025, mostly food and beverage. Lists Hackensack Meridian Health Pascack Valley Medical and 1 other hospital as hospital affiliations.
Overview
| NPI | 1659803021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 3, 2017 |
| Last updated in NPPES | Jul 29, 2026 |
| Certified by provider | Jul 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 327837 | LA |
| Emergency Medicine | 207P00000X | 325604 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Emergency Medicine (NJ); Practitioner - Anesthesiology (NY); Practitioner - Emergency Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 368 |
|---|---|
| Services billed | 439 across 24 procedure codes |
| Paid by Medicare | $52,623 |
Part D prescriptions in 2024
| Prescriptions (claims) | 197 · 197 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $3,180 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Barron Emergency Physicians LLCNeptune, NJ · 100 clinicians
- Passaic River Physicians LLCWayne, NJ · 59 clinicians
- Ihpnj ER LLCJersey City, NJ · 36 clinicians
Hospital affiliations
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ
- St Joseph's University Medical Center IncPaterson, NJ
Industry payments (Open Payments)
- 2025$237.92 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mentor Worldwide LLC | $237.92 | 2 |
What the 2025 payments were for
- Food and Beverage$237.92 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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