Joyce Chung, MSN, AGACNP-BC
NPI 1851944821ActiveIndividual· Nurse Practitioner, Acute Care· Orange, CA
Nurse Practitioner, Acute Care (MSN, AGACNP-BC) in Orange, California, trained at University of California, Geffen School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $51,907 for 351 claims, against $5,745 paid for services in 2024. Ardelyx, Inc. was the largest of 7 companies reporting payments in 2025, $499.71 in all, mostly food and beverage.
Overview
| NPI | 1851944821 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, AGACNP-BC |
| Sole proprietor | No |
| NPI issued | Jul 18, 2019 |
| Last updated in NPPES | Sep 19, 2022 |
| Certified by provider | Sep 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 95012193 | 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 | 46 |
|---|---|
| Services billed | 77 across 6 procedure codes |
| Paid by Medicare | $5,745 |
Part D prescriptions in 2024
| Prescriptions (claims) | 351 · 829 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $51,907 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Nephrology Specialists Medical Group, Inc.Newport Beach, CA · 5 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$499.71 · 15 payments from 7 companies
- 2024$425.79 · 16 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $163.31 | 5 |
| Amgen Inc. | $125.00 | 1 |
| Novartis Pharmaceuticals Corporation | $64.08 | 3 |
| Calliditas Therapeutics US Inc. | $57.24 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $34.17 | 2 |
What the 2025 payments were for
- Food and Beverage$499.71 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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