Internal Medicine, Nephrology
JOHN BRENNAN MD
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 Plan acceptance stays unpublished until the practice reports it.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 1154351153 · enumerated 2006-07-04 · record updated 2026-03-24. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 3803 SPRING ST STE 600, MOUNT PLEASANT, WI, 53405-1660 (262) 687-8312 Fax (262) 687-8796 Google Maps Apple Maps OpenStreetMap
- Practice location 3803 SPRING STREET, SUITE 600, RACINE, WI, 53405-1660 (262) 687-8312 Fax (262) 687-8796 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine, Nephrology 207RN0300X · Primary · License 37698 WI
- Internal Medicine 207R00000X · License 37698 WI
In this directory
Locations and evidence
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Practice location
RACINE, WI, 534051660
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.