Geisinger Fragile X Center

Autism & Developmental Medicine Institute, Geisinger Health

Contact Information

Physical Address:

120 Hamm Drive
Suite 2A
Lewisburg, Pennsylvania 17837

Phone: 570-551-0559
Fax: 570-522-9431


Thomas H. Challman, MD
Medical Director
Barbara Haas-Givler, MEd, BCBA
Clinic Director
Brenda Finucane, MS, CGC
Genetic Counselor
Alexis Heidlebaugh
Clinic Coordinator

If you are having trouble funding your trip to this clinic, we offer financial assistance through the Fly With Me Fund.