Kimberly Ann Sung
NPI 1265047419ActiveIndividual· Nurse Practitioner· Irvine, CA
Nurse Practitioner with Uc Regents, practicing in Irvine, California. Their prescriptions cost Medicare Part D more than their services did: $172,045 for 413 claims, against $19,068 paid for services in 2024. Geron Corporation was the largest of 3 companies reporting payments in 2025, $408.58 in all, mostly food and beverage. Lists Uci Health-Orange as a hospital affiliation.
Overview
| NPI | 1265047419 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 14, 2020 |
| Last updated in NPPES | Oct 21, 2024 |
| Certified by provider | Oct 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95014904 | CA |
| Nurse Practitioner | 363L00000X | 2986 | HI |
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); Practitioner - Nurse Practitioner (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 348 across 4 procedure codes |
| Paid by Medicare | $19,068 |
Part D prescriptions in 2024
| Prescriptions (claims) | 413 · 776 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $172,045 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Uc RegentsOrange, CA · 319 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$408.58 · 4 payments from 3 companies
- 2024$137.18 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Geron Corporation | $212.66 | 2 |
| Incyte Corporation | $124.97 | 1 |
| Pfizer Inc. | $70.95 | 1 |
What the 2025 payments were for
- Food and Beverage$408.58 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 nurse practitioners in Irvine · All nurse practitioners in California