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 / DC

JANEEN E CONSTANTINE, NP

NURSE PRACTITIONER

Graduated: 1992

NPI: 1720198302

Practice Locations (2)

MEDSTAR MEDICAL GROUP II LLC

110 IRVING ST NW

WASHINGTON, DC 200103017

2028777000

MEDSTAR HEART INSTITUTE LLC

110 IRVING ST NW

WASHINGTON, DC 200103017

2028772851

Source: CMS National Downloadable File, September 2026.

JANEEN CONSTANTINE, NP | HealthCareAtlasUSA