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

Ottawa Regional Cardinal Sleep Center, LLC

Organization Sleep Disorder Diagnostic Clinic/Center · NPI 1861799215

Ottawa Regional Cardinal Sleep Center, LLC is a Sleep Disorder Diagnostic Clinic/Center in Ottawa, Illinois. Registered with an NPI since 2011.

In the registry since
2011
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1601 Mercury Ct Ste 2
Ottawa, IL 61350-9333
Phone: (815) 433-3100
Fax: (815) 431-5500
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Disorder Diagnostic Clinic/Center (primary) Taxonomy 261QS1200X

Record details

NPI number1861799215
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationOttawa Regional Healthcare Affiliates, Inc
Authorized official Robert Chaffin — President · (815) 431-5456
NPI enumeratedFebruary 22, 2011
Last updated in NPPESFebruary 22, 2011
Mailing address1601 Mercury Ct Ste 2, Ottawa, IL 61350-9333