Indiana Regional Sleep Disorder Center, Inc
NPI 1396981460 · Sleep Medicine (Internal Medicine) Physician · Chicago, IL
Indiana Regional Sleep Disorder Center, Inc is a Sleep Medicine (Internal Medicine) Physician organization in Chicago, IL (NPI 1396981460).
Provider details
- NPI number
- 1396981460
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Olusegun Apata, Physician/Owner(219) 944-4187
- License
- 036-119770 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Illiana Sleep Associates
Registry dates
- Enumerated
- 2008-12-19
- Last updated
- 2009-03-23
Frequently asked questions
- What is Indiana Regional Sleep Disorder Center, Inc's NPI number?
- Indiana Regional Sleep Disorder Center, Inc's National Provider Identifier (NPI) is 1396981460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Indiana Regional Sleep Disorder Center, Inc?
- Indiana Regional Sleep Disorder Center, Inc is classified in the NPPES registry as Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Indiana Regional Sleep Disorder Center, Inc located?
- Indiana Regional Sleep Disorder Center, Inc's practice location on file with NPPES is 2850 S Wabash Ave, Chicago, IL 60616-2955.
- What is Indiana Regional Sleep Disorder Center, Inc's phone number?
- The practice phone number listed in the NPPES registry for Indiana Regional Sleep Disorder Center, Inc is (219) 944-4187.
- Who is the authorized official for Indiana Regional Sleep Disorder Center, Inc?
- The authorized official listed on Indiana Regional Sleep Disorder Center, Inc's NPPES record is Olusegun Apata, Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Indiana Regional Sleep Disorder Center, Inc's NPI active?
- Yes — Indiana Regional Sleep Disorder Center, Inc's NPI (1396981460) is active in the NPPES registry as of the last update on 2009-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.