MR. JOHN E BUTRUS AA
NPI 1629741533
Anesthesiologist Assistant in Saint Louis, MO
About Mr. John E Butrus Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN E BUTRUS AA (NPI 1629741533) is an individual anesthesiologist assistant in Saint Louis, Missouri and active in the NPI registry since July 2021. He is a graduate of Other (2021).
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
Mr. John E Butrus 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 Reassignments
3Medicare enrollment records show John Butrus reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 39 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia enrollment
- 391 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.
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.
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 John Butrus's NPI number?
The NPI number for John Butrus is 1629741533. It was assigned to this individual provider in the NPPES registry on July 27, 2021.
Where is John Butrus located?
John Butrus practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (636) 386-9224.
What is John Butrus's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is John Butrus enrolled in Medicare?
Yes. John Butrus 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 John Butrus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Butrus reassigns Medicare benefits to 3 organizations: Greater Washington Anesthesia Network PLLC (Washington, DC), Medical Faculty Associates, Inc (Washington, DC) and Anesthesia Company, LLC (Annapolis, MD). 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 John Butrus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Butrus was last updated on July 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mr. John E Butrus, AA · NPI 1629741533
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 27, 2021.
## Identity
- **NPI:** 1629741533 (Entity type: Individual)
- **Enumerated:** July 27, 2021
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **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:** 3 organizations under Medicare reassignment (form CMS-855R): Greater Washington Anesthesia Network PLLC (NPI 1376478099, Washington, DC); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 27, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1629741533) · Data from the CMS NPPES public registry.