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

Mr. John Edward Duffy

Individual provider Registered Nurse · NPI 1255250338

Mr. John Edward Duffy is a Registered Nurse in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2026.

Licensed in
IL
In the registry since
2026

Practice location Address checks out

235 W Van Buren St Unit 2103
Chicago, IL 60607-3934
Phone: (312) 623-2293
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 041.583659 (IL)

Record details

NPI number1255250338
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 13, 2026
Last updated in NPPESJuly 13, 2026
Certification dateJuly 13, 2026

Other providers in Chicago