MARY T CHIEREK CRNA
NPI 1952801938
Nurse Anesthetist, Certified Registered in Decatur, IL
About Mary T Chierek Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY T CHIEREK CRNA (NPI 1952801938) is an individual nurse anesthetist, certified registered in Decatur, Illinois, licensed in Illinois (209017259) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with Decatur Memorial Hospital, and is a graduate of Other (2017).
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
Mary T Chierek 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 Reassignment
Medicare enrollment records show Mary Chierek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Decatur, IL 62526
- Reassigned Medicare billing, Illinois enrollment
- 34 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 5
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.
Decatur Memorial Hospital
Acute Care Hospitals · Decatur, ILMemorial Medical Center
Acute Care Hospitals · Springfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62526 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Mary Chierek's NPI number?
The NPI number for Mary Chierek is 1952801938. It was assigned to this individual provider in the NPPES registry on February 16, 2018.
Where is Mary Chierek located?
Mary Chierek practices at 2300 N Edward St, Decatur, IL 62526. The listed phone number is (217) 876-2575.
What is Mary Chierek's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Chierek enrolled in Medicare?
Yes. Mary Chierek 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 organization bills Medicare for Mary Chierek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Chierek reassigns Medicare benefits to Decatur Memorial Hospital (Decatur, 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 Mary Chierek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Chierek affiliated with any hospitals?
According to CMS data, Mary Chierek is affiliated with Decatur Memorial Hospital and Memorial Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Chierek was last updated on February 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mary T Chierek, CRNA · NPI 1952801938
Nurse Anesthetist, Certified Registered physician in Decatur, Illinois. Individual provider, active in the CMS NPPES registry since February 16, 2018.
## Identity
- **NPI:** 1952801938 (Entity type: Individual)
- **Enumerated:** February 16, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 209017259 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2300 N EDWARD ST, Decatur, IL 62526-4163
- **Phone:** (217) 876-2575
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** Decatur Memorial Hospital (NPI 1164477725, Decatur, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** February 16, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1952801938) · Data from the CMS NPPES public registry.