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

Dr. Jack Leong, MD

Individual provider Pediatrics Physician · NPI 1174506513

Dr. Jack Leong, MD is a Pediatric Medicine in Chicago, Illinois. Qualified in 1982, 44 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
44
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3000 N Cicero Ave
Chicago, IL 60641-5106
Phone: (773) 282-3115
Fax: (773) 282-0590
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 036070436 (IL)

Record details

NPI number1174506513
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 21, 2005
Last updated in NPPESOctober 20, 2020
Certification dateOctober 20, 2020
Mailing address3000 N Cicero Ave, Chicago, IL 60641-5106

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesGENERAL PRACTICE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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