Cynthia Chyn Tsui, MD
NPI 1942476940ActiveIndividual· Internal Medicine, Nephrology· Fremont, CA
Internal Medicine, Nephrology (MD) in Fremont, California, licensed in CA, with an NPI issued in April 2008. In 2024 Medicare paid $166,265 for 138 patients, and Part D covered 73 of their prescriptions, 55% of them generic. Neurocrine Biosciences, Inc. reported $24.58 in payments in 2024, mostly food and beverage. Lists Alta Bates Summit Medical Center - Alta Bates Camp and 1 other hospital as hospital affiliations.
Overview
| NPI | 1942476940 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 30, 2008 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Sep 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | C138840 | 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 | 138 |
|---|---|
| Services billed | 2,056 across 16 procedure codes |
| Paid by Medicare | $166,265 |
Part D prescriptions in 2024
| Prescriptions (claims) | 73 · 124 30-day fills |
|---|---|
| Total drug cost | $12,815 |
| Generic share | 55% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Nephrology |
Hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Washington HospitalFremont, CA
Industry payments (Open Payments)
- 2024$24.58 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $24.58 | 1 |
What the 2024 payments were for
- Food and Beverage$24.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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