Internal Medicine, Hematology & Oncology
THOMAS TAN 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 Plan acceptance stays unpublished until the practice reports it.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 1275528382 · enumerated 2005-09-14 · record updated 2025-03-03. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 400 MEDICAL PLZ STE 100, LAKE ST LOUIS, MO, 63367-1493 (636) 639-8600 Google Maps Apple Maps OpenStreetMap
- Mailing address 4724 N DAVIS HWY, PENSACOLA, FL, 32503-2339 (850) 696-4000 Fax (850) 434-2647 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine, Hematology & Oncology 207RH0003X · License 17614 AL
- Internal Medicine, Hematology & Oncology 207RH0003X · License 62467 FL
- Internal Medicine, Medical Oncology 207RX0202X · License MD221267 OR
- Internal Medicine, Medical Oncology 207RX0202X · License H2823 TX
- Internal Medicine, Hematology & Oncology 207RH0003X · Primary · License 2020008924 MO
In this directory
MO St. Charles County Lake St Louis Internal Medicine, Hematology & Oncology
Locations and evidence
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Practice location
LAKE ST LOUIS, MO, 633671493
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.