MA CRITICAL CARE SERVICES, PC
NPI 1114221983
Anesthesiology - Critical Care Medicine in Missoula, MT
About Ma Critical Care Services, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MA CRITICAL CARE SERVICES, PC (NPI 1114221983) is a healthcare organization registered as a critical care medicine in Missoula, Montana and active in the NPI registry since January 2011. The organization lists Barb Gillett Bretz, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ma Critical Care Services, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Ma Critical Care Services, PC, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
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 Ma Critical Care Services, PC's NPI number?
The NPI number for Ma Critical Care Services, PC is 1114221983. It was assigned to this organization in the NPPES registry on January 7, 2011.
Where is Ma Critical Care Services, PC located?
Ma Critical Care Services, PC is located at 500 W Broadway St, Missoula, MT 59802. The listed phone number is (406) 543-7271.
What is Ma Critical Care Services, PC's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Ma Critical Care Services, PC enrolled in Medicare?
Yes. Ma Critical Care Services, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ma Critical Care Services, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Ma Critical Care Services, PC. 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 (4) and Critical Care (Intensivists) (1). Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Ma Critical Care Services, PC accept?
Health plans from Blue Cross and Blue Shield of Montana list Ma Critical Care Services, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ma Critical Care Services, PC was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Ma Critical Care Services, Pc · NPI 1114221983
Critical Care Medicine organization in Missoula, Montana. Organization record, active in the CMS NPPES registry since January 7, 2011.
## Identity
- **NPI:** 1114221983 (Entity type: Organization)
- **Enumerated:** January 7, 2011
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **Organization subpart:** Yes (part of Missoula Anesthesiology, P.c.)
- **Authorized official:** Barb Gillett Bretz, CFO
## Practice location
- **Address:** 500 W BROADWAY ST, Missoula, MT 59802-4008
- **Phone:** (406) 543-7271
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (4), Critical Care (Intensivists) (1); 4 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1114221983) · Data from the CMS NPPES public registry.