Karizza Asper, DNP
NPI 1316287055ActiveIndividual· Nurse Practitioner, Family· Irvine, CA
Nurse Practitioner, Family (DNP) with Memorialcare Medical Foundation and 1 other group, practicing in Irvine, California. 174 Medicare patients in 2024, $13,212 paid; nearly all of their 433 Part D prescriptions were generic (90%). Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $238.02 in all, mostly food and beverage.
Overview
| NPI | 1316287055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP |
| Sole proprietor | No |
| NPI issued | Feb 16, 2013 |
| Last updated in NPPES | Dec 30, 2025 |
| Certified by provider | Dec 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 22602 | CA |
| Registered Nurse | 163W00000X | 620186 | 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 | 174 |
|---|---|
| Services billed | 273 across 33 procedure codes |
| Paid by Medicare | $13,212 |
Part D prescriptions in 2024
| Prescriptions (claims) | 433 · 442 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $6,980 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Memorialcare Medical FoundationLong Beach, CA · 566 clinicians
- Coastal Family Medicine IncIrvine, CA · 34 clinicians
Industry payments (Open Payments)
- 2025$238.02 · 18 payments from 2 companies
- 2024$284.36 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $214.04 | 17 |
| Exact Sciences Corporation | $23.98 | 1 |
What the 2025 payments were for
- Food and Beverage$238.02 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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