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

Leonard David Elkun, MD

Individual provider Neurology with Special Qualifications in Child Neurology Physician · NPI 1023129145

Leonard David Elkun, MD is a Psychiatry in Chicago, Illinois. Qualified in 1965, 61 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
61
Licensed in
IL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

411 W Ontario St Ste 402
Chicago, IL 60610-6945
Phone: (312) 943-8322
Fax: (312) 843-8323
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Geriatric Psychiatry Physician (primary) Taxonomy 2084P0805X · Licence 036-041170 (IL)
Neurology with Special Qualifications in Child Neurology Physician Taxonomy 2084N0402X · Licence 036-041170 (IL)

Record details

NPI number1023129145
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 31, 2006
Last updated in NPPESApril 24, 2021
Certification dateApril 24, 2021
Mailing address411 W. Ontario St, Suite 402, Chicago, IL 60610-6945

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Also practisesGERIATRIC PSYCHIATRY
Medical schoolOTHER
Graduated 1965 (61 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Chicago