Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

St. Patrick Hospital & Health Sciences Center

Hospitalist Physician in Missoula, MT · enumerated 2007 · authorized official Patti Bierwag, Administrative Assistant.

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

National Provider Identifier

1811012891

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Registry record

Entity type Organization (Type 2)

Legal business name St. Patrick Hospital & Health Sciences Center

Other name <Unavail>

Practice address 500 W Broadway St, Suite 320, Missoula, MT, 59802

Phone (406) 543-7271

Fax (406) 329-5606

Enumeration date Mar 20, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Patti Bierwag

Title Administrative Assistant

Phone (406) 329-2647

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

Who is the authorized official for St. Patrick Hospital & Health Sciences Center?

NPPES lists Patti Bierwag (Administrative Assistant) as the authorized official for this organization.

What is the NPI number for St. Patrick Hospital & Health Sciences Center?

The NPI for St. Patrick Hospital & Health Sciences Center is 1811012891, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.