Ryan Nicholas Chan, PA
NPI 1093184988ActiveIndividual· Physician Assistant, Surgical· Orange, CA
Physician Assistant, Surgical (PA) with Orange County Thoracic and Cardiovascular Surgeons A Med Corp, practicing in Orange, California. Medicare paid $3,285 for services to 11 patients in 2024. Zimmer Biomet Holdings, Inc. was the largest of 9 companies reporting payments in 2025, $3,917 in all, mostly food and beverage. Lists Providence Mission Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1093184988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Sep 21, 2015 |
| Last updated in NPPES | Jun 21, 2024 |
| Certified by provider | Jun 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 019033 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA); Practitioner - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 27 across 12 procedure codes |
| Paid by Medicare | $3,285 |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Orange County Thoracic and Cardiovascular Surgeons A Med CorpOrange, CA · 10 clinicians
Hospital affiliations
- Providence Mission HospitalMission Viejo, CA
- Providence St. Joseph HospitalOrange, CA
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$3,917 · 33 payments from 9 companies
- 2024$3,252 · 35 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $1,307 | 6 |
| Medtronic, Inc. | $732.89 | 2 |
| Abiomed | $534.31 | 5 |
| Edwards Lifesciences Corporation | $369.92 | 6 |
| W. L. Gore & Associates, Inc. | $278.01 | 2 |
What the 2025 payments were for
- Food and Beverage$2,128 · 28 payments
- Travel and Lodging$1,790 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 surgical physician assistants in Orange · All surgical physician assistants in California