Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas C. Auer, M. D.

Internal Medicine Physician in Traverse City, MI · enumerated 2005.

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

National Provider Identifier

1104828649

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Registry record

Entity type Individual (Type 1)

Name Thomas C. Auer

Credential M. D.

Sex Male

Practice address 3537 W Front St, Suite I, Traverse City, MI, 49684

Phone (231) 935-8950

Fax (231) 935-8868

Enumeration date Aug 15, 2005

Last updated in NPPES Oct 20, 2011

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4301032188 (MI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1205011	Medicaid	MI	-

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

Is NPI 1104828649 active?

Yes, as of the latest NPPES snapshot, NPI 1104828649 is active (record last updated 2011-10-20).

How do I verify Thomas Auer's NPI record?

Cross-check NPI 1104828649 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-20.