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 / DC

COLLIN D CULLEN, MD

INTERNAL MEDICINE

Medical school: GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1993

Also: PEDIATRIC MEDICINE

Offers telehealth

NPI: 1689769523

Practice Locations (2)

4400 JENIFER ST NW, SUITE 350

WASHINGTON, DC 200152086

2029662828

SUBURBAN/NRH MEDICAL REHABILITATION INC

6410 ROCKLEDGE DR, SUITE 600

BETHESDA, MD 208171844

Source: CMS National Downloadable File, September 2026.