Sylvia L. Chi-Wu, MD
NPI 1144308230ActiveIndividual· Internal Medicine, Nephrology· Walnut Creek, CA
Internal Medicine, Nephrology (MD) in Walnut Creek, California, trained at New York Medical College (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $90,388 for 1,059 claims, against $5,362 paid for services in 2024.
Overview
| NPI | 1144308230 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2006 |
| Last updated in NPPES | Jan 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A69704 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 75 across 8 procedure codes |
| Paid by Medicare | $5,362 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,059 · 3,006 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $90,388 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - AntiochAntioch, CA
Other facilities
- Davita Antioch Dialysis CenterDialysis facility · Antioch, CA
- Fresenius Medical Care - Diablo BrentwoodDialysis facility · Brentwood, 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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