JULIA SLAVIK
NPI 1477909166
Nurse Practitioner - Gerontology in O Fallon, MO
About Julia Slavik NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JULIA SLAVIK (NPI 1477909166) is an individual gerontology provider in O Fallon, Missouri, licensed in Arizona (298295) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Phoenix.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Julia Slavik is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Julia Slavik reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morton Grove, IL 60053
- Reassigned Medicare billing, Missouri enrollment
- 39 clinicians in this Medicare group
Peoria, AZ 85381
- Reassigned Medicare billing, Arizona enrollment
- 8 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 63368 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.
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 Julia Slavik's NPI number?
The NPI number for Julia Slavik is 1477909166. It was assigned to this individual provider in the NPPES registry on May 11, 2016.
Where is Julia Slavik located?
Julia Slavik practices at 7068 S Outer 364, O Fallon, MO 63368. The listed phone number is (636) 240-6100.
What is Julia Slavik's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Julia Slavik enrolled in Medicare?
Yes. Julia Slavik is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Julia Slavik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julia Slavik reassigns Medicare benefits to 2 organizations: Np Health Of Mo LLC (Morton Grove, IL) and Arizona Cardiovascular LLC (Peoria, AZ). 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 Julia Slavik'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 Julia Slavik was last updated on January 8, 2026. 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.