Internal Medicine, Medical Oncology
NAN CHEN
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1558749887 · enumerated 2015-05-06 · record updated 2026-06-04. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 150 HARVESTER DR STE 300, BURR RIDGE, IL, 60527-5965 Google Maps Apple Maps OpenStreetMap
- Practice location 5841 S MARYLAND AVE, CHICAGO, IL, 60637-1443 (888) 824-0200 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine, Medical Oncology 207RX0202X · Primary · License 036156991 IL
- Internal Medicine, Medical Oncology 207RX0202X · License 01091761A IN
In this directory
Locations and evidence
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Practice location
CHICAGO, IL, 606371443
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.