Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Patrick Chizek

Colon & Rectal Surgery Physician in Saint Louis, MO · enumerated 2019 · practices at St. Anthony'S Physician Organization.

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

National Provider Identifier

1245790294

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Registry record

Entity type Individual (Type 1)

Name Patrick Chizek

Sex Male

Practice address 10012 Kennerly Rd Ste 102, Saint Louis, MO, 63128

Phone (314) 543-5240

Fax (314) 543-5239

Enumeration date Mar 24, 2019

Last updated in NPPES Sep 12, 2025

Taxonomy & licenses

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License 2025032761 (MO) Primary

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.

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Frequently asked questions

What is the NPI number for Patrick Chizek?

The National Provider Identifier (NPI) for Patrick Chizek is 1245790294, a Type 1 (individual) record in the CMS NPPES registry.

Where does Patrick Chizek practice?

The practice location on file with NPPES is in Saint Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-12.