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SOUTHERN ILLINOIS SLEEP INSTITUTE
NPI 1811954944
Clinic/Center - Sleep Disorder Diagnostic in Marion, IL

Active since May 01, 2006
105 AIRWAY DR, MARION, IL 62959(618) 997-5500(618) 997-5501 Get Directions Write a Review

NPPES record last updated: January 18, 2008. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Southern Illinois Sleep Institute NPPES

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

SOUTHERN ILLINOIS SLEEP INSTITUTE (NPI 1811954944) is a healthcare organization registered as a sleep disorder diagnostic in Marion, Illinois and active in the NPI registry since May 2006. The organization lists Anita G. Hopkin, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1811954944
Entity TypeOrganization
Primary Taxonomy261QS1200X
Legal Business NameSOUTHERN ILLINOIS SLEEP INSTITUTE
Location Address105 AIRWAY DRMarion, IL 62959-5872
Mailing AddressPo Box 797090Saint Louis, MO 63179-7000 · (314) 645-5855 · Fax (314) 645-6446
Phone(618) 997-5500
Fax(618) 997-5501
Organization SubpartNo
Authorized OfficialAnita G. HopkinBilling Manager · (314) 645-5855
Enumeration DateMay 1, 2006
Last NPPES UpdateJanuary 18, 2008
✔ NPI 1811954944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Sleep Disorder DiagnosticAmbulatory Health Care Facilities
Taxonomy Code261QS1200X
105 AIRWAY DR, Marion, IL 62959
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Other Identifiers 2

Medicare PIN212587IL
Other0010032043IL · Blue Cross Provider #

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Southern Illinois Sleep Institute's NPI number?

The NPI number for Southern Illinois Sleep Institute is 1811954944. It was assigned to this organization in the NPPES registry on May 1, 2006.

Where is Southern Illinois Sleep Institute located?

Southern Illinois Sleep Institute is located at 105 Airway Dr, Marion, IL 62959. The listed phone number is (618) 997-5500.

What is Southern Illinois Sleep Institute's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Sleep Disorder Diagnostic, with taxonomy code 261QS1200X.

When was this NPI record last updated?

The NPPES record for Southern Illinois Sleep Institute was last updated on January 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.