CRITICAL CARE SERVICES, P.C.
NPI 1942256250
Clinic/Center - Multi-Specialty in St. Louis, MO
About Critical Care Services, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRITICAL CARE SERVICES, P.C. (NPI 1942256250) is a healthcare organization registered as a multi-specialty in St. Louis, Missouri and active in the NPI registry since May 2006. The organization lists Isabelle C Kopec, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Critical Care Services, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
45Medicare enrollment records show 45 clinicians reassign Medicare billing to Critical Care Services, P.C., which bills Medicare for the services they deliver. Of these, 12 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 7
Nearest to this location (20)
See all 45Saint Louis, MO 63141
Saint Louis, MO 63141
Saint Louis, MO 63110
Saint Louis, MO 63110
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 Critical Care Services, P.C.'s NPI number?
The NPI number for Critical Care Services, P.C. is 1942256250. It was assigned to this organization in the NPPES registry on May 26, 2006.
Where is Critical Care Services, P.C. located?
Critical Care Services, P.C. is located at One Cityplace Drive Suite 570, St. Louis, MO 63141. The listed phone number is (314) 514-6000.
What is Critical Care Services, P.C.'s specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.
Is Critical Care Services, P.C. enrolled in Medicare?
Yes. Critical Care Services, P.C. is registered in the Medicare PECOS enrollment system.
When is Critical Care Services, P.C.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (South Carolina, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Critical Care Services, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 45 clinicians in 7 Medicare specialties reassign their Medicare billing to Critical Care Services, P.C.. 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 Critical Care (Intensivists) (12), Nurse Practitioner (12) and Internal Medicine (8). Of these, 12 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Critical Care Services, P.C. accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 1 other insurer list Critical Care Services, P.C. 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 Critical Care Services, P.C. was last updated on April 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Critical Care Services, P.c. · NPI 1942256250
Multi-Specialty organization in St. Louis, Missouri. Organization record, active in the CMS NPPES registry since May 26, 2006.
## Identity
- **NPI:** 1942256250 (Entity type: Organization)
- **Enumerated:** May 26, 2006
- **Primary specialty:** Clinic/Center - Multi-Specialty · taxonomy 261QM1300X
- **Organization subpart:** No
- **Authorized official:** Isabelle Kopec, PRESIDENT
## Practice location
- **Address:** ONE CITYPLACE DRIVE, SUITE 570, St. Louis, MO 63141-7067
- **Phone:** (314) 514-6000 · **Fax:** (866) 497-1239
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, South Carolina, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 45 clinicians in 7 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Critical Care (Intensivists) (12), Nurse Practitioner (12), Internal Medicine (8); 12 practice within 10 miles; [full list](https://npiprofile.com/npi/1942256250/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 19, 2024
- **Other identifiers:** Medicaid 508903408 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1942256250) · Data from the CMS NPPES public registry.