Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Critical Care Services, P.C.

Q: What type of organization is Critical Care Services, P.C.?

Critical Care Services, P.C. is registered in NPPES as a Multi-Specialty Clinic/Center (its primary provider taxonomy).

Multi-Specialty Clinic/Center in St. Louis, MO · enumerated 2006 · authorized official Isabelle Kopec, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1942256250

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Registry record

Entity type Organization (Type 2)

Legal business name Critical Care Services, P.C.

Practice address One Cityplace Drive, Suite 570, St. Louis, MO, 63141

Phone (314) 514-6000

Fax (866) 497-1239

Enumeration date May 26, 2006

Last updated in NPPES Apr 19, 2024

Taxonomy & classification

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians Secondary

261QM1300X Multi-Specialty Clinic/Center Ambulatory Health Care Facilities Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Secondary

Authorized official

Name Isabelle Kopec

Title President

Phone (314) 514-6000

Other identifiers

Identifier	Type	State	Issuer
508903408	Medicaid	MO	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Critical Care Services, P.C.?

Critical Care Services, P.C. is registered in NPPES as a Multi-Specialty Clinic/Center (its primary provider taxonomy).

Providers at this address

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Isabelle Kopec Critical Care Medicine (Internal Medicine) Physician · St. Louis, MO NPI 1427021211 Susan Herena Acute Care Nurse Practitioner · Saint Louis, MO NPI 1851721583

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-19.