Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

University Internists of St Louis Inc

Rheumatology Physician in Saint Louis, MO · enumerated 2006 · authorized official Sandra Hoffmann, Owner.

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

National Provider Identifier

1043222706

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Registry record

Entity type Organization (Type 2)

Legal business name University Internists of St Louis Inc

Practice address 5000 Cedar Plaza Pkwy, Suite 220, Saint Louis, MO, 63128

Phone (314) 845-9339

Enumeration date Aug 12, 2006

Last updated in NPPES Oct 26, 2011

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Secondary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Sandra Hoffmann

Title Owner

Phone (314) 845-9339

Other identifiers

Identifier	Type	State	Issuer
CN7399	Other	MO	RAILROAD MEDICARE

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 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 University Internists of St Louis Inc?

University Internists of St Louis Inc is registered in NPPES as a Rheumatology Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-26.