Doctor profile · Federal record
Dr. Karizza Asper, DNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Irvine, CA
- NPI 1316287055
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4950 Barranca Pkwy Ste 104
Irvine, CA 926048644
(949) 857-1248
fax (949) 559-1165
Credentials & registration
- NPI registered
- February 2013 — 13 yrs on file
- Profile last updated
- December 30, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- California #22602 · California #620186
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316287055. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
214
Distinct HCPCS
5
Medicare allowed
$20,899
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 66 | 62 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 62 | 61 | $115 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $140 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 34 | 34 | $100 | |
81002 |
Urinalysis, manual test | 17 | 16 | $3 |
In context: peer comparison
Among 13 peers in Irvine Family Nurse Practitioner, average services per provider: 52. This provider delivers 4.1× the peer median.Open Payments
Industry payments received
All-time total
$284
Transactions
10
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 4 | $170.29 | |
| Merck Sharp & Dohme LLC | 3 | $48.70 | |
| GlaxoSmithKline, LLC. | 2 | $41.05 | |
| Exact Sciences Corporation | 1 | $24.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
124
Patients
122
Total drug cost
$1,710
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 26 | 26 | $271 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 26 | 26 | $330 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 17 | 15 | $553 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 17 | 17 | $189 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 14 | 14 | $72 |
| Ibuprofen | Generic | 13 | 13 | $35 |
| Ofloxacin | Generic | 11 | 11 | $259 |
Frequently asked questions
What is Dr. Karizza Asper's medical specialty?
Dr. Karizza Asper practices Family Nurse Practitioner in Irvine, CA.
Where does Dr. Karizza Asper practice?
Dr. Karizza Asper practices at 4950 Barranca Pkwy Ste 104, Irvine, CA 926048644. Office phone: 9498571248.
What is Dr. Karizza Asper's NPI?
Dr. Karizza Asper's National Provider Identifier (NPI) is 1316287055, issued by NPPES.
Does Dr. Karizza Asper accept Medicare assignment?
Yes. Dr. Karizza Asper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karizza Asper commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.