Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

St Joseph Mercy

Q: What type of organization is St Joseph Mercy?

St Joseph Mercy is registered in NPPES as a General Acute Care Hospital (its primary provider taxonomy).

General Acute Care Hospital in Pontiac, MI · enumerated 2008 · authorized official Steven Zuska, M.D..

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

National Provider Identifier

1710133541

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Registry record

Entity type Organization (Type 2)

Legal business name St Joseph Mercy

Practice address 44405 Woodward Ave, Pontiac, MI, 48341

Phone (248) 858-3000

Enumeration date Aug 12, 2008

Last updated in NPPES Aug 12, 2008

Taxonomy & classification

282N00000X General Acute Care Hospital Hospitals · License 4301088659 (MI) Primary

Authorized official

Name Steven Zuska

Title M.D.

Phone (248) 345-6813

Other identifiers

Identifier	Type	State	Issuer
4301088659	Other	MI	BOARD OF MEDICINE EDUCATIONAL LIMITED LICENSE
5315028012	Other	MI	BOARD OF PHARMACY CONTROLLED SUBSTANCE LICENSE

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 St Joseph Mercy?

St Joseph Mercy is registered in NPPES as a General Acute Care Hospital (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 2008-08-12.