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

LEON M SIMMS, PA

PHYSICIAN ASSISTANT

Graduated: 2014

NPI: 1093107997

Practice Locations (4)

DIMENSIONS HEALTHCARE ASSOCIATES, INC

2900 MERCY LN

CHEVERLY, MD 207851157

3016182273

LUMINIS HEALTH MEDICAL GROUP, LLC

8116 GOOD LUCK RD, SUITE 200

LANHAM, MD 207063508

3015999500

PROFESSIONAL SERVICES OF HOLY CROSS

1500 FOREST GLEN RD

SILVER SPRING, MD 209101460

3017547000

DIMENSIONS HEALTHCARE ASSOCIATES, INC

901 HARRY S TRUMAN DR N

UPPER MARLBORO, MD 207745477

2406773000

Source: CMS National Downloadable File, September 2026.