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 / PA

MARIELLE S GROSS, MD

OBSTETRICS/GYNECOLOGY

Medical school: UNIVERSITY OF FLORIDA COLLEGE OF MEDICINE

Graduated: 2014

NPI: 1023420486

Practice Locations (1)

WELLSPAN MEDICAL GROUP

12 ST PAUL DR

CHAMBERSBURG, PA 172011035

7172176026

Source: CMS National Downloadable File, September 2026.

MARIELLE GROSS, MD | HealthCareAtlasUSA