JENNIFER MICHELLE MAZANEK
NPI 1922951219
Nurse Practitioner in Centralia, IL
About Jennifer Michelle Mazanek NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENNIFER MICHELLE MAZANEK (NPI 1922951219) is an individual nurse practitioner in Centralia, Illinois, licensed in Illinois (209035018) and active in the NPI registry since February 2026. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jennifer Michelle Mazanek is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jennifer Mazanek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 296 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62801 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CENTRALIA, IL 62801
CENTRALIA, IL 62801
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 Mazanek's NPI number?
The NPI number for Jennifer Mazanek is 1922951219. It was assigned to this individual provider in the NPPES registry on February 17, 2026.
Where is Jennifer Mazanek located?
Jennifer Mazanek practices at 1003 E Mccord St, Centralia, IL 62801. The listed phone number is (618) 436-6633.
What is Jennifer Mazanek's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Jennifer Mazanek enrolled in Medicare?
Yes. Jennifer Mazanek is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jennifer Mazanek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Mazanek reassigns Medicare benefits to Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, IL). 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 Jennifer Mazanek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jennifer Mazanek accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Jennifer Mazanek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jennifer Mazanek affiliated with any hospitals?
According to CMS data, Jennifer Mazanek is affiliated with Ssm Health St Mary's Hospital -Centralia.
When was this NPI record last updated?
The NPPES record for Jennifer Mazanek was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jennifer Michelle Mazanek · NPI 1922951219
Nurse Practitioner physician in Centralia, Illinois. Individual provider, active in the CMS NPPES registry since February 17, 2026.
## Identity
- **NPI:** 1922951219 (Entity type: Individual)
- **Enumerated:** February 17, 2026
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209035018 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1003 E MCCORD ST, Centralia, IL 62801-3345
- **Phone:** (618) 436-6633
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Physician Services Corporation Of Southern Illinois Inc. (NPI 1831101807, Mount Vernon, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** May 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1922951219) · Data from the CMS NPPES public registry.