Louise K. Cheung, FNP
NPI 1578818365ActiveIndividual· Nurse Practitioner, Family· Duarte, CA
Nurse Practitioner, Family (FNP) with City of Hope Medical Foundation, practicing in Duarte, California. Their prescriptions cost Medicare Part D more than their services did: $2,394,872 for 1,069 claims, against $23,655 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $650.18 in all, mostly food and beverage.
Overview
| NPI | 1578818365 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Jul 17, 2012 |
| Last updated in NPPES | Dec 16, 2020 |
| Certified by provider | Dec 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 16109 | 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 | 176 |
|---|---|
| Services billed | 365 across 5 procedure codes |
| Paid by Medicare | $23,655 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,069 · 1,940 30-day fills |
|---|---|
| Patients | 230 |
| Total drug cost | $2,394,872 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Other facilities
- Progress Home Health Care IncHome health agency · Glendale, CA
Industry payments (Open Payments)
- 2025$650.18 · 8 payments from 5 companies
- 2024$868.93 · 18 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $256.99 | 3 |
| Ge Healthcare | $188.48 | 1 |
| Stemline Therapeutics Inc. | $125.00 | 1 |
| Novartis Pharmaceuticals Corporation | $57.66 | 2 |
| Merck Sharp & Dohme LLC | $22.05 | 1 |
What the 2025 payments were for
- Food and Beverage$643.19 · 7 payments
- Education$6.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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