HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CT

SEAN T BRENNAN, PA

PHYSICIAN ASSISTANT

Graduated: 2000

NPI: 1255342556

Practice Locations (3)

HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC

80 SEYMOUR ST

HARTFORD, CT 061028000

8609720549

HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC

1244 STORRS RD, ROAD

STORRS, CT 062682200

8607242579

HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC

360 BLOOMFIELD AVE, SUITE 209

WINDSOR, CT 060952700

8606881311

Source: CMS National Downloadable File, September 2026.

SEAN BRENNAN, PA | HealthCareAtlasUSA