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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SEAN CORNELIUS GALLIGAN MD
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Internal Medicine - Interventional Cardiology in Brooklyn, NY

Active since April 28, 2011PECOS Enrolled
66.8/100
CMS Quality Rating
502 86TH ST, BROOKLYN, NY 11209(929) 470-8403 Get Directions

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 23, 2026, Oct 4, 2018 (2 updates tracked since 2018).

Find Similar Internal Medicine Providers by Distance


Discover healthcare providers in Brooklyn, NY with a similar scope of practice to DR. SEAN CORNELIUS GALLIGAN MD. These local professionals also specialize in internal medicine. Our records identify 50 registered providers nearby; this includes a mix of 43 individual practitioners and 7 healthcare organizations. For your convenience, we have ranked these results by distance to help you find the closest available care. A handy interactive map is also available; select Show map to see where each nearby provider is located, or use Export CSV to download the complete list.

50 providers within 50 miles
LISEL M HOPE MD
4.91 mi
451 CLARKSON AVE, BOX 57
BROOKLYN, NY 11203
  • Related Field: Internal Medicine (Endocrinology, Diabetes & Metabolism)
Kings County (203) 605-7750