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 / NY

GIANNINA M GALLAGHER, PA

PHYSICIAN ASSISTANT

Graduated: 2011

Offers telehealth

NPI: 1528345600

Practice Locations (9)

NORTH SHORE-LIJ MEDICAL PC

440 E MAIN ST

BAY SHORE, NY 117068501

NORTH SHORE-LIJ MEDICAL PC

620 MAIN ST

ISLIP, NY 117513516

6314397237

NORTH SHORE-LIJ MEDICAL PC

300 COMMUNITY DR LL

MANHASSET, NY 110303816

5165622229

NORTH SHORE-LIJ MEDICAL PC

330 COMMUNITY DR

MANHASSET, NY 110303816

5167082550

NORTH SHORE-LIJ MEDICAL PC

350 COMMUNITY DR

MANHASSET, NY 110303816

5165623845

NORTH SHORE-LIJ MEDICAL PC

300 COMMUNITY DR

MANHASSET, NY 110303816

NORTH SHORE-LIJ MEDICAL PC

496 COUNTY RD, 111 BLDG F1

MANORVILLE, NY 119493388

6314053240

NORTH SHORE-LIJ MEDICAL PC

496 COUNTY RD 111

MANORVILLE, NY 119493386

6314053220

NORTH SHORE-LIJ MEDICAL PC

226 E MIDDLE COUNTRY RD

SMITHTOWN, NY 117872918

6317753450

Source: CMS National Downloadable File, September 2026.

GIANNINA GALLAGHER, PA | HealthCareAtlasUSA