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

MS. Mary Eileen Callaghan, APRN, CNS

Individual provider Oncology Clinical Nurse Specialist · NPI 1497096853

MS. Mary Eileen Callaghan, APRN, CNS is an Oncology Clinical Nurse Specialist in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2013.

Licensed in
IL
In the registry since
2013
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

See every abbreviation used in this directory →

Practice location Address checks out

250 E Superior St Fl 15
Chicago, IL 60611-2914
Phone: (312) 472-4225
Fax: (312) 472-4226
Show map & directions

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

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence 209009546 (IL)
Oncology Clinical Nurse Specialist Taxonomy 364SX0200X · Licence 209.009546 (IL)

Record details

NPI number1497096853
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , CNS
Sole proprietorNo
NPI enumeratedMarch 11, 2013
Last updated in NPPESOctober 12, 2022
Certification dateOctober 12, 2022
Mailing address250 E Superior St Fl 15, Chicago, IL 60611-2914

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