BRENNA M THOMAS CRNA
NPI 1619407210
Nurse Anesthetist, Certified Registered in O'fallon, IL
About Brenna M Thomas Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRENNA M THOMAS CRNA (NPI 1619407210) is an individual nurse anesthetist, certified registered in O'fallon, Illinois, licensed in Missouri (2018024574) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Crossroads Community Hospital, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Brenna M Thomas 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 Brenna Thomas 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
- 149 clinicians in this Medicare group
Saint Louis, MO 63136
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Midwest Anesthesia Providers Sc
- 230 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Crossroads Community Hospital
Acute Care Hospitals · Mount Vernon, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62269 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Brenna Thomas's NPI number?
The NPI number for Brenna Thomas is 1619407210. It was assigned to this individual provider in the NPPES registry on June 15, 2017.
Where is Brenna Thomas located?
Brenna Thomas practices at 1310 Engle Ct, O'fallon, IL 62269. The listed phone number is (618) 581-2854.
What is Brenna Thomas's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Brenna Thomas enrolled in Medicare?
Yes. Brenna Thomas 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 Brenna Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brenna Thomas reassigns Medicare benefits to 2 organizations: G & G Anesthesia LLC (Maryville, IL) and Midwest Anesthesia Providers S.C (Saint Louis, MO). 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 Brenna Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brenna Thomas affiliated with any hospitals?
According to CMS data, Brenna Thomas is affiliated with Crossroads Community Hospital.
When was this NPI record last updated?
The NPPES record for Brenna Thomas was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Brenna M Thomas, CRNA · NPI 1619407210
Nurse Anesthetist, Certified Registered physician in O'fallon, Illinois. Individual provider, active in the CMS NPPES registry since June 15, 2017.
## Identity
- **NPI:** 1619407210 (Entity type: Individual)
- **Enumerated:** June 15, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 2018024574 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1310 ENGLE CT, O'fallon, IL 62269
- **Phone:** (618) 581-2854
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): G & G Anesthesia LLC (NPI 1487020111, Maryville, IL); Midwest Anesthesia Providers S.C (NPI 1295189082, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1619407210) · Data from the CMS NPPES public registry.