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

JUSTIN PENG, MD

RHEUMATOLOGY

Medical school: BOSTON UNIVERSITY SCHOOL OF MEDICINE

Graduated: 2005

Offers telehealth

NPI: 1538328141

Practice Locations (2)

ARTHRITIS AND RHEUMATISM ASSOCIATES PC

2021 K ST NW, SUITE 300

WASHINGTON, DC 200061012

3019427600430

ARTHRITIS AND RHEUMATISM ASSOCIATES PC

161 THOMAS JOHNSON DR, SUITE 250

FREDERICK, MD 217024958

301942044211203

Source: CMS National Downloadable File, September 2026.

JUSTIN PENG, MD | HealthCareAtlasUSA