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

Leonel Antonio Urdaneta Jr., MD

Individual provider Internal Medicine Physician · NPI 1073541660

Leonel Antonio Urdaneta Jr., MD is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

211 E Ontario St 12th Fl
Chicago, IL 60611-3468
Phone: (312) 469-4905
Fax: (312) 469-4905
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 036119700 (IL)

Record details

NPI number1073541660
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 30, 2006
Last updated in NPPESApril 27, 2009

Other providers in Chicago