Internal Medicine
GIAC CHAN NGUYEN TAN 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 Plan acceptance stays unpublished until the practice reports it.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 1962585042 · enumerated 2006-10-23 · record updated 2022-02-16. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 171 GRANDVIEW AVE, STE 105, WATERBURY, CT, 06708-2519 (203) 694-8200 Google Maps Apple Maps OpenStreetMap
- Mailing address 171 GRANDVIEW AVE, STE 105, WATERBURY, CT, 06708-2519 (203) 755-2214 Fax (203) 596-1133 Google Maps Apple Maps OpenStreetMap
Specialties
- Emergency Medicine, Undersea and Hyperbaric Medicine 207PE0005X · License 028148 CT
- Internal Medicine 207R00000X · Primary · License 028148 CT
- Emergency Medicine 207P00000X · License 028148 CT
In this directory
Locations and evidence
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Practice location
WATERBURY, CT, 067082519
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.