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

Doctors Unlimited Service Corporation

Organization Internal Medicine Physician · NPI 1265739643

Doctors Unlimited Service Corporation is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2011.

Licensed in
IL
In the registry since
2011

Practice location Address checks out

1750 E 87th St Ste 109
Chicago, IL 60617-2706
Phone: (773) 933-9300
Fax: (773) 933-9302
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036118945 (IL)

Record details

NPI number1265739643
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Otuonye Onyewuchi — President/Ceo · (773) 933-9300
Other names Integracare Clinic
NPI enumeratedFebruary 19, 2011
Last updated in NPPESJanuary 15, 2026
Certification dateJanuary 15, 2026
Mailing addressPo Box 806112, Chicago, IL 60680-4122

Other providers in Chicago