Internal Medicine, Geriatric Medicine
ROBERT ALTER M.D.
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 Plan acceptance stays unpublished until the practice reports it.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 1821064585 · enumerated 2006-02-23 · record updated 2026-07-13. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 2311 W 22ND ST, SUITE 202, OAK BROOK, IL, 60523-1225 (630) 320-1160 Fax (630) 320-1231 Google Maps Apple Maps OpenStreetMap
- Practice location 2545 S KING DR, CHICAGO, IL, 60616-2441 (312) 842-7117 Fax (312) 326-2102 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 036059069 IL
- Internal Medicine, Geriatric Medicine 207RG0300X · Primary · License 036059069 IL
In this directory
IL Cook County Chicago Internal Medicine, Geriatric Medicine
Locations and evidence
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Practice location
CHICAGO, IL, 606162441
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.