CATALYST ANESTHESIA GROUP, LLC
NPI 1770835126
Anesthesiology in Chicago, IL
About Catalyst Anesthesia Group, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATALYST ANESTHESIA GROUP, LLC (NPI 1770835126) is a healthcare organization registered as an anesthesiology in Chicago, Illinois and active in the NPI registry since October 2012. The organization lists Joseph J. Alioto, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Catalyst Anesthesia Group, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
13Medicare enrollment records show 13 clinicians reassign Medicare billing to Catalyst Anesthesia Group, LLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (13)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Catalyst Anesthesia Group, LLC's NPI number?
The NPI number for Catalyst Anesthesia Group, LLC is 1770835126. It was assigned to this organization in the NPPES registry on October 10, 2012.
Where is Catalyst Anesthesia Group, LLC located?
Catalyst Anesthesia Group, LLC is located at 850 W Irving Park Rd, Chicago, IL 60613. The listed phone number is (773) 525-6780.
What is Catalyst Anesthesia Group, LLC's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Catalyst Anesthesia Group, LLC enrolled in Medicare?
Yes. Catalyst Anesthesia Group, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Catalyst Anesthesia Group, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians in 2 Medicare specialties reassign their Medicare billing to Catalyst Anesthesia Group, LLC. A 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 the clinician's services. The largest specialties are Anesthesiology (10) and Certified Registered Nurse Anesthetist (CRNA) (3). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Catalyst Anesthesia Group, LLC was last updated on October 10, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Catalyst Anesthesia Group, Llc · NPI 1770835126
Anesthesiology organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since October 10, 2012.
## Identity
- **NPI:** 1770835126 (Entity type: Organization)
- **Enumerated:** October 10, 2012
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Organization subpart:** No
- **Authorized official:** Joseph Alioto, PRESIDENT
## Practice location
- **Address:** 850 W IRVING PARK RD, Chicago, IL 60613-3077
- **Phone:** (773) 525-6780
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 13 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (10), Certified Registered Nurse Anesthetist (CRNA) (3); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 10, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1770835126) · Data from the CMS NPPES public registry.