Joshua Mon Chan, DO, MS
NPI 1689317588ActiveIndividual· Internal Medicine· Orange, CA
Internal Medicine (DO, MS) with The Regents of the University of California-Irvine, practicing in Orange, California. Part D covered 25 prescriptions written in 2024, 100% of them generic. Lists Uci Health-Orange as a hospital affiliation.
Overview
| NPI | 1689317588 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO, MS |
| Sole proprietor | Yes |
| NPI issued | Apr 18, 2022 |
| Last updated in NPPES | Apr 27, 2026 |
| Certified by provider | Apr 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A23348 | CA |
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 - Internal Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 26 30-day fills |
|---|---|
| Total drug cost | $663.12 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- The Regents of the University of California-IrvineOrange, CA · 125 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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