Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Dr. John C Bauman MD

Colon & Rectal Surgery Physician in Royal Oak, MI · enumerated 2023 · authorized official Ginger Kleinert, Practice Manager.

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

National Provider Identifier

1063289593

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Registry record

Entity type Organization (Type 2)

Legal business name Dr. John C Bauman MD

Practice address 1121 Crooks Rd, Royal Oak, MI, 48067

Phone (248) 541-7023

Enumeration date Dec 5, 2023

Last updated in NPPES Dec 5, 2023

Taxonomy & classification

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Ginger Kleinert

Title Practice Manager

Phone (248) 541-7023

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-12-05. Verify at npiregistry.cms.hhs.gov.

Where is Dr. John C Bauman MD located?

The practice location on file with NPPES is in Royal Oak, MI.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-05.