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

THOMAS D CHALLMAN, MD

PEDIATRIC MEDICINE

Medical school: GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1991

NPI: 1841265642

Practice Locations (2)

GEISINGER CLINIC

100 N ACADEMY AVE

DANVILLE, PA 178229800

5702716144

GEISINGER CLINIC

190 WELLES ST, SUITE 122

FORTY FORT, PA 187044968

5707184140

Source: CMS National Downloadable File, September 2026.