Chien-Wai Chiu, MD
NPI 1013544931ActiveIndividual· Internal Medicine, Geriatric Medicine· San Jose, CA
Internal Medicine, Geriatric Medicine (MD) with North East Medical Services, practicing in San Jose, California. Their prescriptions cost Medicare Part D more than their services did: $33,392 for 390 claims, against $974.91 paid for services in 2024. Abbvie Inc. reported $15.40 in payments in 2025, mostly food and beverage. Lists El Camino Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1013544931 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2020 |
| Last updated in NPPES | Aug 1, 2024 |
| Certified by provider | Jul 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | A181509 | CA |
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 - Geriatric Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 94 across 18 procedure codes |
| Paid by Medicare | $974.91 |
Part D prescriptions in 2024
| Prescriptions (claims) | 390 · 786 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $33,392 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Internal Medicine |
Medical group
- North East Medical ServicesSouth San Francisco, CA · 143 clinicians
Hospital affiliations
- El Camino HealthMountain View, CA
- Stanford Health CareStanford, CA
Other facilities
- Centerwell Asian American Home HealthHome health agency · Alameda, CA
Industry payments (Open Payments)
- 2025$15.40 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $15.40 | 1 |
What the 2025 payments were for
- Food and Beverage$15.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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