Mayling Chau, RN
NPI 1558672634ActiveIndividual· Nurse Practitioner, Family· Monterey Park, CA
Nurse Practitioner, Family (RN) in Monterey Park, California, licensed in CA, with an NPI issued in June 2010. Part D covered 1,728 prescriptions written in 2024, 85% of them generic. Merck Sharp & Dohme LLC reported $27.18 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1558672634 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN |
| Sole proprietor | No |
| NPI issued | Jun 23, 2010 |
| Last updated in NPPES | Jun 1, 2026 |
| Certified by provider | Jun 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 20338 | 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 Order and Referring Only - Nurse Practitioner (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,728 · 3,729 30-day fills |
|---|---|
| Patients | 141 |
| Total drug cost | $192,356 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$27.18 · 1 payment from 1 company
- 2024$303.37 · 10 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $27.18 | 1 |
What the 2025 payments were for
- Food and Beverage$27.18 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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