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

MS. Mary G. Heitschmidt, RN, APN

Individual provider Clinical Nurse Specialist · NPI 1861612269

MS. Mary G. Heitschmidt, RN, APN is a Clinical Nurse Specialist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

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Practice location Address checks out

5841 S Maryland
Chicago, IL 60638
Phone: (773) 702-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Nurse Specialist (primary) Taxonomy 364S00000X (IL)

Record details

NPI number1861612269
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , APN
Sole proprietorNo
NPI enumeratedApril 26, 2007
Last updated in NPPESJuly 8, 2007

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