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

REED MARTENSEN, NP

NURSE PRACTITIONER

Graduated: 2025

NPI: 1932090891

Practice Locations (1)

NORTH SHORE-LIJ MEDICAL PC

1963 UNION BLVD

BAY SHORE, NY 117067956

6315917472

Source: CMS National Downloadable File, September 2026.

REED MARTENSEN, NP | HealthCareAtlasUSA