Esther Sung, MSN, FNP-C
NPI 1740708866ActiveIndividual· Nurse Practitioner, Family· Buena Park, CA
Nurse Practitioner, Family (MSN, FNP-C) with Cajon Medical Group PC, practicing in Buena Park, California. Part D covered 19 prescriptions written in 2024, 95% of them generic. Teva Pharmaceuticals USA, Inc. was the largest of 7 companies reporting payments in 2025, $399.22 in all, mostly food and beverage.
Overview
| NPI | 1740708866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, FNP-C |
| Sole proprietor | No |
| NPI issued | Sep 8, 2017 |
| Last updated in NPPES | Sep 8, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95006407 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 58 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $2,214 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Cajon Medical Group PCRedlands, CA · 18 clinicians
Industry payments (Open Payments)
- 2025$399.22 · 20 payments from 7 companies
- 2024$70.63 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $211.78 | 11 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $75.05 | 4 |
| Neurocrine Biosciences, Inc. | $31.23 | 1 |
| Otsuka America Pharmaceutical, Inc. | $29.89 | 1 |
| Axsome Therapeutics, Inc. | $20.80 | 1 |
What the 2025 payments were for
- Food and Beverage$399.22 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 family nurse practitioners in Buena Park · All family nurse practitioners in California