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 / MD

MARY CALLSEN, MD

INTERNAL MEDICINE

Medical school: OHIO STATE UNIVERSITY COLLEGE OF MEDICINE

Graduated: 1981

Offers telehealth

NPI: 1639137573

Practice Locations (3)

SUBURBAN/NRH MEDICAL REHABILITATION INC

6410 ROCKLEDGE DR, SUITE 600

BETHESDA, MD 208171844

JOHNS HOPKINS COMMUNITY PHYSICIANS, INC

7315 WISCONSON AVE, SUITE 700

BETHESDA, MD 208143202

2402359100

JOHNS HOPKINS COMMUNITY PHYSICIANS, INC

14207 PARK CTR DR, SUITE 102

LAUREL, MD 207075255

3016045254

Source: CMS National Downloadable File, September 2026.

MARY CALLSEN, MD | HealthCareAtlasUSA