Catherine Wingyun Chan, M.D.
NPI 1003279845ActiveIndividual· Obstetrics & Gynecology, Gynecology· Oviedo, FL
Obstetrics & Gynecology, Gynecology (M.D.) with Orlando Health Medical Group Inc, practicing in Oviedo, Florida. Mostly services rather than prescriptions: Medicare paid $5,083 for 13 patients in 2024, with only 27 Part D claims. Ethicon US, LLC reported $15.24 in payments in 2025, mostly food and beverage. Lists Orlando Health as a hospital affiliation.
Overview
| NPI | 1003279845 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 30, 2016 |
| Last updated in NPPES | Dec 1, 2025 |
| Certified by provider | Dec 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecology Primary | 207VG0400X | ME176560 | FL |
| Obstetrics & Gynecology | 207V00000X | 304627 | 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 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 - Obstetrics/Gynecology (FL); Practitioner - Obstetrics/Gynecology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 24 across 8 procedure codes |
| Paid by Medicare | $5,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 36 30-day fills |
|---|---|
| Total drug cost | $580.66 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Orlando Health Medical Group IncWindermere, FL · 2,287 clinicians
Hospital affiliation
- Orlando HealthOrlando, FL
Industry payments (Open Payments)
- 2025$15.24 · 1 payment from 1 company
- 2024$536.93 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $15.24 | 1 |
What the 2025 payments were for
- Food and Beverage$15.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records