Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

St. John Health System / Oakland General Hospital

Internal Medicine Physician in Warren, MI · enumerated 2006 · authorized official Sandra Whitman, Director.

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

National Provider Identifier

1922188135

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Registry record

Entity type Organization (Type 2)

Legal business name St. John Health System / Oakland General Hospital

Other name <Unavail>

Practice address 27472 Schoenherr Rd, Suite 130, Warren, MI, 48088

Phone (586) 582-7550

Fax (586) 582-7515

Enumeration date Oct 16, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Secondary

207QA0000X Adolescent Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians Secondary

207QA0505X Adult Medicine Physician Allopathic & Osteopathic Physicians Secondary

207QG0300X Geriatric Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Sandra Whitman

Title Director

Phone (586) 226-6838

Other identifiers

Identifier	Type	State	Issuer
0E01235	Other	MI	BCBSM GROUP NUMBER

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. John Health System / Oakland General Hospital?

NPPES lists Sandra Whitman (Director) as the authorized official for this organization.

What is the NPI number for St. John Health System / Oakland General Hospital?

The NPI for St. John Health System / Oakland General Hospital is 1922188135, 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 2025-09-11.