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

R. Sundaresan, MD, SC

Organization Internal Medicine Physician · NPI 1427017961

R. Sundaresan, MD, SC is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
Specialties on file
2

Practice location Address checks out

3000 N Halsted St Rm 607
Chicago, IL 60657-5188
Phone: (773) 296-3456
Fax: (773) 296-3622
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X (IL)
Internal Medicine Physician Taxonomy 207R00000X

Record details

NPI number1427017961
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ramamoorthy Sundaresan — Physician Owner · (630) 718-0200
NPI enumeratedMarch 22, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address1730 Park St, Suite 101, Naperville, IL 60563-2688

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