KARIZZA ASPER DNP
NPI 1316287055
Nurse Practitioner - Family in Irvine, CA
About Karizza Asper Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARIZZA ASPER DNP (NPI 1316287055) is an individual family provider in Irvine, California, licensed in California (22602) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karizza Asper Dnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Karizza Asper reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Anaheim, CA 92804
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 129 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92604
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karizza Asper's NPI number?
The NPI number for Karizza Asper is 1316287055. It was assigned to this individual provider in the NPPES registry on February 16, 2013.
Where is Karizza Asper located?
Karizza Asper practices at 4950 Barranca Pkwy Ste 104, Irvine, CA 92604. The listed phone number is (949) 857-1248.
What is Karizza Asper's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karizza Asper enrolled in Medicare?
Yes. Karizza Asper is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karizza Asper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karizza Asper reassigns Medicare benefits to 4 organizations: Memorialcare Medical Foundation (Fountain Valley, CA), Sun Medical Group, Inc. (Anaheim, CA), Apex Emergency Medical Group, Inc. (Hemet, CA) and Coastal Family Medicine Inc (CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karizza Asper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karizza Asper was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Karizza Asper, DNP · NPI 1316287055
Family physician in Irvine, California. Individual provider, active in the CMS NPPES registry since February 16, 2013.
## Identity
- **NPI:** 1316287055 (Entity type: Individual)
- **Enumerated:** February 16, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 22602 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4950 BARRANCA PKWY STE 104, Irvine, CA 92604-8644
- **Phone:** (949) 857-1248 · **Fax:** (949) 559-1165
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); Sun Medical Group, Inc. (NPI 1114673902, Anaheim, CA); Apex Emergency Medical Group, Inc. (NPI 1265711089, Hemet, CA); Coastal Family Medicine Inc (CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1316287055) · Data from the CMS NPPES public registry.