Chia-Wai David Chang, MD
NPI 1013975986ActiveIndividual· Otolaryngology· Columbia, MO
Otolaryngology (MD) in Columbia, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $171,604 for 285 claims, against $69,046 paid for services in 2024. Inspire Medical Systems, Inc. was the largest of 2 companies reporting payments in 2025, $455.28 in all, mostly food and beverage.
Overview
| NPI | 1013975986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2006 |
| Last updated in NPPES | Oct 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 2005023723 | MO |
| Otolaryngology, Plastic Surgery within the Head & Neck | 207YX0007X | 2005023723 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 320 |
|---|---|
| Services billed | 2,439 across 72 procedure codes |
| Paid by Medicare | $69,046 |
Part D prescriptions in 2024
| Prescriptions (claims) | 285 · 308 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $171,604 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Otolaryngology |
Medical group
- The Curators of the University of MissouriColumbia, MO · 1,131 clinicians
Hospital affiliation
- University of Missouri Health CareColumbia, MO
Industry payments (Open Payments)
- 2025$455.28 · 5 payments from 2 companies
- 2024$258.15 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $246.65 | 4 |
| Acera Surgical, Inc. | $208.63 | 1 |
What the 2025 payments were for
- Food and Beverage$455.28 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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