MRS. AMBER LYNN WENNERSTROM DNP, PMHNP-C
NPI 1144844572
Nurse Practitioner - Psychiatric/Mental Health in Centralia, IL
About Mrs. Amber Lynn Wennerstrom Dnp, Pmhnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. AMBER LYNN WENNERSTROM DNP, PMHNP-C (NPI 1144844572) is an individual psychiatric/mental health provider in Centralia, Illinois, licensed in Illinois (209021350) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Mrs. Amber Lynn Wennerstrom Dnp, Pmhnp-c 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 Amber Wennerstrom reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Centralia, IL 62801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Marys Hospital Centralia Illinois
- 392 clinicians in this Medicare group
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.
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.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILGood Samaritan Regional Hlth Center
Acute Care Hospitals · Mount Vernon, 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CENTRALIA, IL 62801
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 Amber Wennerstrom's NPI number?
The NPI number for Amber Wennerstrom is 1144844572. It was assigned to this individual provider in the NPPES registry on June 1, 2020.
Where is Amber Wennerstrom located?
Amber Wennerstrom practices at 444 N Pleasant Ave, Centralia, IL 62801. The listed phone number is (618) 436-5665.
What is Amber Wennerstrom's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Amber Wennerstrom enrolled in Medicare?
Yes. Amber Wennerstrom 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 Amber Wennerstrom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Wennerstrom reassigns Medicare benefits to 2 organizations: St. Mary's Hospital, Centralia, Illinois (Centralia, IL) and Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, 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 Amber Wennerstrom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Wennerstrom accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Amber Wennerstrom 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 Amber Wennerstrom affiliated with any hospitals?
According to CMS data, Amber Wennerstrom is affiliated with Ssm Health St Mary's Hospital -Centralia and Good Samaritan Regional Hlth Center.
When was this NPI record last updated?
The NPPES record for Amber Wennerstrom was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Mrs. Amber Lynn Wennerstrom, DNP, PMHNP-C · NPI 1144844572
Psychiatric/Mental Health physician in Centralia, Illinois. Individual provider, active in the CMS NPPES registry since June 1, 2020.
## Identity
- **NPI:** 1144844572 (Entity type: Individual)
- **Enumerated:** June 1, 2020
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 209021350 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 444 N PLEASANT AVE, Centralia, IL 62801-3006
- **Phone:** (618) 436-5665
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): St. Mary's Hospital, Centralia, Illinois (NPI 1477097871, Centralia, IL); Physician Services Corporation Of Southern Illinois Inc. (NPI 1831101807, Mount Vernon, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** November 27, 2023
- **Other identifiers:** Other 209021350 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1144844572) · Data from the CMS NPPES public registry.