Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Southern Indiana Surgery Inc

Vascular Surgery Physician in Columbus, IN · enumerated 2006 · authorized official Michael Dorenbusch, MD.

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

National Provider Identifier

1942314554

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Registry record

Entity type Organization (Type 2)

Legal business name Southern Indiana Surgery Inc

Practice address 2109 Doctors Park Dr, Columbus, IN, 47203

Phone (812) 372-2245

Enumeration date Aug 19, 2006

Last updated in NPPES May 23, 2023

Taxonomy & classification

174400000X Specialist Other Service Providers Secondary

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Michael Dorenbusch

Title MD

Phone (812) 372-2245

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

Where is Southern Indiana Surgery Inc located?

The practice location on file with NPPES is in Columbus, IN.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-05-23. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Clarita Kalovidouris Internal Medicine Physician · Columbus, IN NPI 1396741336 Apostolos E Kalovidouris MD Rheumatology Physician · Columbus, IN NPI 1639378979 Jason Christie Vascular Surgery Physician · Columbus, IN NPI 1568631844 Jamie Doughty Nurse Practitioner · Columbus, IN NPI 1144952342

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-23.