OLIVIA NICOLAIS JULIAN MD
NPI 1689250326
Obstetrics & Gynecology in San Diego, CA
About Olivia Nicolais Julian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA NICOLAIS JULIAN MD (NPI 1689250326) is an individual obstetrics & gynecology provider in San Diego, California, licensed in California (A201425) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Olivia Nicolais Julian Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Olivia Julian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 171 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 92103 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Olivia Julian's NPI number?
The NPI number for Olivia Julian is 1689250326. It was assigned to this individual provider in the NPPES registry on March 23, 2021. The provider is also known as Olivia Lemense Nicolais MD.
Where is Olivia Julian located?
Olivia Julian practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Olivia Julian's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Olivia Julian enrolled in Medicare?
Yes. Olivia Julian is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Olivia Julian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Julian reassigns Medicare benefits to Regents Of The University Of California (San Diego, 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 Olivia Julian'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 Olivia Julian was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.