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
Mailing address235 W Van Buren St Unit 2103, Chicago, IL 60607-3934

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