Daniel Chiu
NPI 1427419530ActiveIndividual· Nurse Practitioner, Gerontology· Orange, CA
Nurse Practitioner, Gerontology with Genesis Healthcare Partners PC, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $1,070,792 for 2,224 claims, against $54,517 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $3,584 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 1 other hospital as hospital affiliations.
Overview
| NPI | 1427419530 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 16, 2016 |
| Last updated in NPPES | Mar 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 95003996 | CA |
| Registered Nurse | 163W00000X | 758826 | 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 | 428 |
|---|---|
| Services billed | 838 across 11 procedure codes |
| Paid by Medicare | $54,517 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,224 · 4,872 30-day fills |
|---|---|
| Patients | 758 |
| Total drug cost | $1,070,792 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$3,584 · 172 payments from 20 companies
- 2024$3,666 · 198 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $813.90 | 47 |
| Janssen Biotech, Inc. | $468.15 | 23 |
| Madrigal Pharmaceuticals | $426.15 | 16 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $303.05 | 17 |
| Ardelyx, Inc. | $231.61 | 9 |
What the 2025 payments were for
- Food and Beverage$3,500 · 171 payments
- Education$84.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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