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

Leo Dilan, DO

Individual provider Emergency Medicine Physician · NPI 1598717944

Leo Dilan, DO practises Emergency Medicine in Chicago, Illinois. Graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1995, 31 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
31
Trained at
Kansas City University of Med & Biosciences, College of Osteo Med
Licensed in
IL
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

5145 N California Ave
Chicago, IL 60625-3661 Not confirmed with CMS for 17 years — call before visiting
Phone: (773) 878-8200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036100609 (IL)

Record details

NPI number1598717944
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESNovember 13, 2008

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolKANSAS CITY UNIVERSITY OF MED & BIOSCIENCES, COLLEGE OF OSTEO MED
Graduated 1995 (31 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients260
Services billed 276 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Swedish Hospital Hospital · Chicago, IL · listed as Swedish Covenant Hospital

Colleagues at Endeavor Health Medical Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3348 clinicians in the practice; 12 are shown here.

Other providers in Chicago