Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

The Orthopedic Center of St. Louis

Specialist in Chesterfield, MO · enumerated 2006 · authorized official Tammy Mattingly, Financials.

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

National Provider Identifier

1750461067

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Registry record

Entity type Organization (Type 2)

Legal business name The Orthopedic Center of St. Louis

Other name <Unavail>

Practice address 14825 N Outer 40, Suite 200, Chesterfield, MO, 63017

Phone (314) 336-2555

Fax (314) 336-2557

Enumeration date Oct 17, 2006

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

174400000X Specialist Other Service Providers · License 36909 (MO) Primary

Authorized official

Name Tammy Mattingly

Title Financials

Phone (314) 336-2620

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 type of organization is The Orthopedic Center of St. Louis?

The Orthopedic Center of St. Louis is registered in NPPES as a Specialist (its primary provider taxonomy).

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.

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