OLGA IVESIC DO
NPI 1316513864
Obstetrics & Gynecology in Laguna Hills, CA
About Olga Ivesic Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLGA IVESIC DO (NPI 1316513864) is an individual obstetrics & gynecology provider in Laguna Hills, California, licensed in California (20A24100) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Olga Ivesic Do 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 Reassignment
Medicare enrollment records show Olga Ivesic reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92653 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAGUNA HILLS, CA 92653
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 Olga Ivesic's NPI number?
The NPI number for Olga Ivesic is 1316513864. It was assigned to this individual provider in the NPPES registry on June 3, 2021.
Where is Olga Ivesic located?
Olga Ivesic practices at 24401 Health Center Dr., Suite 300, Laguna Hills, CA 92653. The listed phone number is (949) 770-4115.
What is Olga Ivesic's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Olga Ivesic enrolled in Medicare?
Yes. Olga Ivesic 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 organization bills Medicare for Olga Ivesic's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olga Ivesic reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, CA). The 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 Olga Ivesic'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 Olga Ivesic was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.