Michael Chan-Wei Kao
NPI 1639445554ActiveIndividual· Otolaryngology· Fullerton, CA
Otolaryngology in Fullerton, California, trained at New York Medical College (class of 2019). 540 Medicare patients in 2024, $156,177 paid; nearly all of their 1,108 Part D prescriptions were generic (99%). Regeneron Healthcare Solutions, Inc. was the largest of 5 companies reporting payments in 2025, $322.88 in all, mostly food and beverage.
Overview
| NPI | 1639445554 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 25, 2012 |
| Last updated in NPPES | Aug 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A161998 | CA |
| 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 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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 540 |
|---|---|
| Services billed | 1,994 across 56 procedure codes |
| Paid by Medicare | $156,177 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,108 · 1,650 30-day fills |
|---|---|
| Patients | 397 |
| Total drug cost | $20,786 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- Greater Orange County Ear Nose Throat Head and Neck Surgeons IncFullerton, CA · 5 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$322.88 · 17 payments from 5 companies
- 2024$177.84 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $163.11 | 10 |
| Inspire Medical Systems, Inc. | $65.87 | 3 |
| Medtronic, Inc. | $41.81 | 2 |
| Smith+nephew, Inc. | $34.64 | 1 |
| Genzyme Corporation | $17.45 | 1 |
What the 2025 payments were for
- Food and Beverage$322.88 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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