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

Diane Dudas Sheehan, CNP, APN

Individual provider Nurse Practitioner · NPI 1851309645

Diane Dudas Sheehan, CNP, APN is a Nurse Practitioner in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
Specialties on file
3
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.
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

225 E Chicago Ave Box 69
Chicago, IL 60611-2991
Phone: (312) 227-6624
Fax: (312) 227-9404
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 209-001176 (IL)
Nurse Practitioner Taxonomy 363L00000X · Licence 209-001176 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209-001176 (IL)

Record details

NPI number1851309645
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP , APN
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESAugust 7, 2026
Certification dateAugust 7, 2026

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