COWBOY ANESTHESIA SERVICES PLLC
NPI 1225459878
Anesthesiology in Lake Bluff, IL
About Cowboy Anesthesia Services Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COWBOY ANESTHESIA SERVICES PLLC (NPI 1225459878) is a healthcare organization registered as an anesthesiology in Lake Bluff, Illinois and active in the NPI registry since December 2013. The organization lists William Kingrey, Partner, 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)
Cowboy Anesthesia Services Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
18Medicare enrollment records show 18 clinicians reassign Medicare billing to Cowboy Anesthesia Services PLLC, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (18)
Lackland A F B, TX 78236
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 Cowboy Anesthesia Services PLLC's NPI number?
The NPI number for Cowboy Anesthesia Services PLLC is 1225459878. It was assigned to this organization in the NPPES registry on December 30, 2013.
Where is Cowboy Anesthesia Services PLLC located?
Cowboy Anesthesia Services PLLC is located at 925 Sherwood Dr, Lake Bluff, IL 60044. The listed phone number is (848) 615-2200.
What is Cowboy Anesthesia Services PLLC's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Cowboy Anesthesia Services PLLC enrolled in Medicare?
Yes. Cowboy Anesthesia Services PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Cowboy Anesthesia Services PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 18 clinicians, all in Certified Registered Nurse Anesthetist (CRNA), reassign their Medicare billing to Cowboy Anesthesia Services PLLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Cowboy Anesthesia Services PLLC was last updated on December 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.