Carolina Irene Chau Zheng, FNP-C, MSN, RN
NPI 1619631181ActiveIndividual· Nurse Practitioner, Family· Alhambra, CA
Nurse Practitioner, Family (FNP-C, MSN, RN) in Alhambra, California, licensed in CA, with an NPI issued in October 2021. Their prescriptions cost Medicare Part D more than their services did: $109,257 for 582 claims, against $3,876 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2025, $190.66 in all, mostly food and beverage.
Overview
| NPI | 1619631181 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C, MSN, RN |
| Sole proprietor | Yes |
| NPI issued | Oct 29, 2021 |
| Last updated in NPPES | Jan 31, 2025 |
| Certified by provider | Jan 31, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95018685 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 68 across 5 procedure codes |
| Paid by Medicare | $3,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 582 · 1,172 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $109,257 |
| Generic share | 76% of claims |
Industry payments (Open Payments)
- 2025$190.66 · 9 payments from 5 companies
- 2024$272.82 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $95.48 | 4 |
| Merck Sharp & Dohme LLC | $51.90 | 2 |
| Pfizer Inc. | $19.72 | 1 |
| Amgen Inc. | $17.94 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $5.62 | 1 |
What the 2025 payments were for
- Food and Beverage$190.66 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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