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

Mary Louise Orth, APN

Individual provider Pediatric Nurse Practitioner · NPI 1326071333

Mary Louise Orth, APN is a Pediatric Nurse Practitioner in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

1945 W Wilson Ave Ste 4000
Chicago, IL 60640-5255
Phone: (773) 736-6220
Fax: (773) 736-3941
Show map & directions

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

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence 209002088 (IL)

Record details

NPI number1326071333
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESDecember 2, 2021
Certification dateDecember 2, 2021

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