William Chiang, MD
NPI 1194256867ActiveIndividual· Anesthesiology, Pain Medicine· Hammond, LA
Anesthesiology, Pain Medicine (MD) in Hammond, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 2017). 109 Medicare patients in 2024, $35,440 paid; nearly all of their 2,084 Part D prescriptions were generic (99%). Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $360.24 in all, mostly food and beverage.
Overview
| NPI | 1194256867 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 24, 2017 |
| Last updated in NPPES | Jun 23, 2022 |
| Certified by provider | Jun 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | 331557 | LA |
| Anesthesiology, Pain Medicine | 207LP2900X | 29019 | MS |
| 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 - Pain Management (LA); Practitioner - Anesthesiology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 390 across 24 procedure codes |
| Paid by Medicare | $35,440 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,084 · 2,121 30-day fills |
|---|---|
| Patients | 309 |
| Total drug cost | $34,689 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Pain Management |
Medical group
- Diagnostic and Interventional Spinal Care of LouisianaHammond, LA · 10 clinicians
Hospital affiliation
- AvalaCovington, LA
Industry payments (Open Payments)
- 2025$360.24 · 9 payments from 3 companies
- 2024$245.54 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $173.55 | 4 |
| Medtronic, Inc. | $160.78 | 4 |
| Globus Medical, Inc. | $25.91 | 1 |
What the 2025 payments were for
- Food and Beverage$360.24 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Anesthesiology, Pain Medicine providers in Hammond
- 1366475493
- 1992159743