Chiajin Chiou, MD
NPI 1972815413ActiveIndividual· Internal Medicine· Mount Vernon, WA
Internal Medicine (MD) in Mount Vernon, Washington, trained at Saint Louis University School of Medicine (class of 2010). In 2024 Medicare paid $54,248 for 167 patients, and Part D covered 160 of their prescriptions, 83% of them generic.
Overview
| NPI | 1972815413 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 13, 2010 |
| Last updated in NPPES | Aug 19, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD60371422 | WA |
| 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 - Internal Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 567 across 8 procedure codes |
| Paid by Medicare | $54,248 |
Part D prescriptions in 2024
| Prescriptions (claims) | 160 · 201 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $12,153 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
Medical group
- Overlake Medical Clinics LLCBellevue, WA · 425 clinicians
Hospital affiliation
- Overlake Hospital Medical Center & ClinicsBellevue, WA
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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