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Mercy Hospital South

Psychiatric Hospital Unit in Saint Louis, MO · enumerated 2006 · authorized official Cheryl Matejka, Cfo East Communities & Sfo.

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

National Provider Identifier

1538196100

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Registry record

Entity type Organization (Type 2)
Legal business name Mercy Hospital South
Other name <Unavail>
Practice address 10010 Kennerly Rd, Saint Louis, MO, 63128
Phone (314) 525-1000
Enumeration date Jun 27, 2006
Last updated in NPPES Dec 24, 2018

Taxonomy & classification

273R00000X Psychiatric Hospital Unit Hospital Units · License 273-31 (MO) Primary

Authorized official

Name Cheryl Matejka
Title Cfo East Communities & Sfo
Phone (314) 251-1958

Other identifiers

Identifier Type State Issuer
148 Other - BLUE CROSS
010161008 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.

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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 Mercy Hospital South?
Mercy Hospital South is registered in NPPES as a Psychiatric Hospital Unit (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-24.