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

Mr. Juan Francisco Ortiz Mairena, MD

Individual provider Internal Medicine Physician · NPI 1992694384

Mr. Juan Francisco Ortiz Mairena, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2025.

Licensed in
IL
In the registry since
2025
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

3134 N Clark St
Chicago, IL 60657-4414
Phone: (312) 766-4949
Fax: (312) 766-4925
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

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125.085277 (IL)

Record details

NPI number1992694384
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2025
Last updated in NPPESJune 30, 2025
Certification dateJune 30, 2025

Other providers in Chicago