Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Indiana Regional Sleep Disorder Center, Inc

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

Indiana Regional Sleep Disorder Center, Inc is a Critical Care Medicine (Internal Medicine) Physician 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
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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