OrganizationActive
Southern Illinois Sleep Institute
NPI 1811954944 · Sleep Disorder Diagnostic Clinic/Center · Marion, IL
Provider details
- NPI number
- 1811954944
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Anita Hopkin, Billing Manager(314) 645-5855
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
105 Airway Dr
Marion, IL 62959-5872
Phone: (618) 997-5500
Fax: (618) 997-5501
Street-level locationGet directions
Mailing address
Po Box 797090
Saint Louis, MO 63179-7000
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2008-01-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.