SHAMRA BYRNE C-AA
NPI 1992289102
Anesthesiologist Assistant in Saint Louis, MO
About Shamra Byrne C-aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAMRA BYRNE C-AA (NPI 1992289102) is an individual anesthesiologist assistant in Saint Louis, Missouri, licensed in Missouri (2022016383) and active in the NPI registry since September 2018. She is affiliated with Mercy Hospital St Louis, maintains a secondary practice location in Dallas, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Shamra Byrne C-aa 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 Shamra Byrne reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 309 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.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Shamra Byrne's NPI number?
The NPI number for Shamra Byrne is 1992289102. It was assigned to this individual provider in the NPPES registry on September 24, 2018.
Where is Shamra Byrne located?
Shamra Byrne practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (636) 386-9224.
What is Shamra Byrne's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Shamra Byrne enrolled in Medicare?
Yes. Shamra Byrne 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 Shamra Byrne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shamra Byrne reassigns Medicare benefits to Western Anesthesiology Associates, Inc. (Saint Louis, MO). 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 Shamra Byrne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Shamra Byrne affiliated with any hospitals?
According to CMS data, Shamra Byrne is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Shamra Byrne was last updated on June 10, 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.
# Shamra Byrne, C-AA · NPI 1992289102
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since September 24, 2018.
## Identity
- **NPI:** 1992289102 (Entity type: Individual)
- **Enumerated:** September 24, 2018
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 2022016383 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (636) 386-9224 · **Fax:** (636) 386-7679
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Western Anesthesiology Associates, Inc. (NPI 1275646754, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 10, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1992289102) · Data from the CMS NPPES public registry.