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

Oluseun Osinowo

Individual provider Nurse Practitioner · NPI 1548614431

Oluseun Osinowo is a Nurse Practitioner in Chicago, Illinois. Qualified in 2015, 11 years ago. Practices with J C Medical Group Ltd, an 11-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
11
Licensed in
IL
In the registry since
2016
Specialties on file
3

Practice location Address checks out

4850 N Sawyer Ave Ste 1
Chicago, IL 60625-5211
Phone: (872) 292-9958
Show map & directions

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

Additional practice locations (2)

  • 142 E 154th St Ste 1, Harvey, IL 60426-3326 — (872) 292-9958
  • 23837 N Overhill Dr Ste 1, Lake Zurich, IL 60047-8874 — (872) 292-9958

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 277001223 (IL)
Nurse Practitioner Taxonomy 363L00000X · Licence 209014022 (IL)
Nurse Practitioner Taxonomy 363L00000X · Licence 277001223 (IL)

Record details

NPI number1548614431
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 18, 2016
Last updated in NPPESSeptember 16, 2025
Certification dateSeptember 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice J C Medical Group Ltd — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Other providers in Chicago