Johnny Leung, NP
NPI 1568723674ActiveIndividual· Nurse Practitioner, Acute Care· Bakersfield, CA
Nurse Practitioner, Acute Care (NP) with Kern County Hospital Authority, practicing in Bakersfield, California. Their prescriptions cost Medicare Part D more than their services did: $229,901 for 783 claims, against $17,430 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 6 companies reporting payments in 2025, $135.69 in all, mostly food and beverage. Lists Adventist Health Bakersfield and 1 other hospital as hospital affiliations.
Overview
| NPI | 1568723674 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jun 5, 2012 |
| Last updated in NPPES | Apr 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 95010636 | CA |
| Registered Nurse | 163W00000X | 811922 | 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 | 123 |
|---|---|
| Services billed | 292 across 5 procedure codes |
| Paid by Medicare | $17,430 |
Part D prescriptions in 2024
| Prescriptions (claims) | 783 · 1,246 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $229,901 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Kern County Hospital AuthorityBakersfield, CA · 266 clinicians
Hospital affiliations
- Adventist Health BakersfieldBakersfield, CA
- Kern Medical CenterBakersfield, CA
Industry payments (Open Payments)
- 2025$135.69 · 7 payments from 6 companies
- 2024$73.64 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $35.19 | 2 |
| Alexion Pharmaceuticals, Inc. | $22.98 | 1 |
| Genentech USA, Inc. | $22.17 | 1 |
| Calliditas Therapeutics US Inc. | $22.04 | 1 |
| Astrazeneca Pharmaceuticals LP | $16.90 | 1 |
What the 2025 payments were for
- Food and Beverage$135.69 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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