Ann Yahan Chung, NP-C
NPI 1588024723ActiveIndividual· Nurse Practitioner, Family· Monterey Park, CA
Nurse Practitioner, Family (NP-C) with Usc Care Medical Group Inc, practicing in Monterey Park, California. Their prescriptions cost Medicare Part D more than their services did: $869,654 for 2,318 claims, against $23,008 paid for services in 2024. Boston Scientific Corporation was the largest of 5 companies reporting payments in 2025, $1,278 in all, mostly food and beverage. Lists Keck Hospital of Usc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1588024723 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Mar 1, 2016 |
| Last updated in NPPES | Dec 13, 2022 |
| Certified by provider | Dec 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95004146 | CA |
| Registered Nurse, General Practice | 163WG0000X | RN690890 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 288 across 17 procedure codes |
| Paid by Medicare | $23,008 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,318 · 5,490 30-day fills |
|---|---|
| Patients | 462 |
| Total drug cost | $869,654 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
Hospital affiliations
- Keck Hospital of UscLos Angeles, CA
- Usc Verdugo Hills HospitalGlendale, CA
Industry payments (Open Payments)
- 2025$1,278 · 21 payments from 5 companies
- 2024$2,045 · 31 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $886.15 | 15 |
| Atricure, Inc. | $164.12 | 1 |
| Biosense Webster, Inc. | $91.10 | 1 |
| Abbott Laboratories | $85.70 | 1 |
| Glaxosmithkline, LLC. | $50.92 | 3 |
What the 2025 payments were for
- Food and Beverage$1,278 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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