Here's a great place that treats chickens in Central Pennsylvania. Took my hen to Dr. John Hall there on Saturday and he was great!
VCA Smoketown Animal Hospital
2497 Old Philadelphia Pike
Smoketown, PA 17576
http://www.vcahospitals.com/smoketown/our-team/veterinarians.html
VCA Smoketown Animal Hospital
2497 Old Philadelphia Pike
Smoketown, PA 17576
http://www.vcahospitals.com/smoketown/our-team/veterinarians.html