JENNIFER OLIVEIRA CRNA
NPI 1457085946
Nurse Anesthetist, Certified Registered in Maryville, IL
About Jennifer Oliveira Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENNIFER OLIVEIRA CRNA (NPI 1457085946) is an individual nurse anesthetist, certified registered in Maryville, Illinois, licensed in Illinois (209.025376) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, is affiliated with Hshs Holy Family Hospital Inc, and is a graduate of Southern Illinois University School Of Medicine (2019).
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
Jennifer Oliveira Crna 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
2Medicare enrollment records show Jennifer Oliveira reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maryville, IL 62062
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Springfield, IL 62769
- Reassigned Medicare billing, Illinois enrollment
- 826 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 2
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hshs Holy Family Hospital Inc
Acute Care Hospitals · Greenville, ILSt Joseph's Hospital
Critical Access Hospitals · Highland, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62062 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARYVILLE, IL 62062
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 Jennifer Oliveira's NPI number?
The NPI number for Jennifer Oliveira is 1457085946. It was assigned to this individual provider in the NPPES registry on July 12, 2022.
Where is Jennifer Oliveira located?
Jennifer Oliveira practices at 6800 Il-162, Maryville, IL 62062. The listed phone number is (618) 288-5711.
What is Jennifer Oliveira's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Jennifer Oliveira enrolled in Medicare?
Yes. Jennifer Oliveira 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 Jennifer Oliveira's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Oliveira reassigns Medicare benefits to 2 organizations: Millennium Anesthesiology Consultants, LLC (Maryville, IL) and North American Partners In Anesthesia (illinois), LLC (Springfield, IL). 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 Jennifer Oliveira's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jennifer Oliveira affiliated with any hospitals?
According to CMS data, Jennifer Oliveira is affiliated with Hshs Holy Family Hospital Inc and St Joseph's Hospital.
When was this NPI record last updated?
The NPPES record for Jennifer Oliveira was last updated on July 22, 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.