Ko Geng Liuo
NPI 1841683406ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Santa Ana, CA
Nurse Practitioner, Psych/Mental Health with Access Community Health Center and 1 other group, practicing in Santa Ana, California. Their prescriptions cost Medicare Part D more than their services did: $225,368 for 3,016 claims, against $59,001 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 11 companies reporting payments in 2025, $1,264 in all, mostly food and beverage.
Overview
| NPI | 1841683406 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 6, 2015 |
| Last updated in NPPES | Jan 11, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 95001948 | 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 | 218 |
|---|---|
| Services billed | 964 across 11 procedure codes |
| Paid by Medicare | $59,001 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,016 · 4,171 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $225,368 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Access Community Health CenterSanta Ana, CA · 28 clinicians
- Chona Badar Green M D A Professional CorporationLaguna Hills, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$1,264 · 62 payments from 11 companies
- 2024$563.47 · 25 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $345.67 | 18 |
| Teva Pharmaceuticals USA, Inc. | $261.53 | 14 |
| Abbvie Inc. | $150.85 | 7 |
| Vanda Pharmaceuticals Inc. | $100.37 | 4 |
| Neurocrine Biosciences, Inc. | $88.28 | 4 |
What the 2025 payments were for
- Food and Beverage$1,264 · 62 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 psychiatric nurse practitioners in Santa Ana · All psychiatric nurse practitioners in California