Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NICHOLAS COLOSI MD
NPI 1780658690
Specialist in Marion, IL

Q: What is Nicholas Colosi's NPI number?

The NPI number for Nicholas Colosi is 1780658690. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Q: What is Nicholas Colosi's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Nicholas Colosi was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 15, 2006

2401 W MAIN ST, MARION, IL 62959(618) 997-5311(618) 998-5662 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Nov 5, 2021 (2 updates tracked since 2021).

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About Nicholas Colosi Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICHOLAS COLOSI MD (NPI 1780658690) is an individual specialist in Marion, Illinois, licensed in Missouri (31672) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1780658690

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameNICHOLAS COLOSICredential: MD

Location Address2401 W MAIN STMarion, IL 62959-1188

Mailing Address2401 W Main StMarion, IL 62959-1188 · (618) 997-5311 · Fax (618) 998-5662

Phone(618) 997-5311

Fax(618) 998-5662

Sole ProprietorNo

Enumeration DateFebruary 15, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1780658690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in MO · 31672

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

2401 W MAIN ST, Marion, IL 62959

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHELE A OTTO RN

Registered Nurse