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

Sean D Oconnor MD SC

Organization Internal Medicine Physician · NPI 1740693423

Sean D Oconnor MD SC is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2014.

Licensed in
IL
In the registry since
2014

Practice location Address checks out

211 E Chicago Ave Ste 1050
Chicago, IL 60611-2637
Phone: (312) 944-6677
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036-097642 (IL)

Record details

NPI number1740693423
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sean Oconnor — Owner · (312) 944-6677
NPI enumeratedJune 10, 2014
Last updated in NPPESJune 10, 2014
Mailing address211 E Chicago Ave, Suite 1050, Chicago, IL 60611-2637

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