Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Indiana Regional Sleep Disorder Center, Inc

Organization Critical Care Medicine (Internal Medicine) Physician · NPI 1396981460

Indiana Regional Sleep Disorder Center, Inc provides Critical Care Medicine (Internal Medicine) Physician services in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
In the registry since
2008
Specialties on file
3
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2850 S Wabash Ave
Chicago, IL 60616-2955 Not confirmed with CMS for 17 years — call before visiting
Phone: (219) 944-4187
Fax: (219) 944-4196
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 036-119770 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 036-119770 (IL)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 036119770 (IL)

Record details

NPI number1396981460
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Olusegun Apata — Physician/Owner · (219) 944-4187
Other names Illiana Sleep Associates
NPI enumeratedDecember 19, 2008
Last updated in NPPESMarch 23, 2009
Mailing address55 E 86th Ave, Po Box 10645, Merrillville, IN 46410-6382

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