Meet Our Veterinarians

At Good Hope Animal Hospital, we aim to build life-long relationships with our patients and their people. With this in mind, we want you to LOVE your vet. So, we put the following videos together to help you get a better sense of who our vets are. If you have a preference for a particular doctor, please let us know when scheduling your appointment. And remember, you’re welcome to try a different vet any time you like. Just ask!

Robert Heidecker, DVM

Dr. Heidecker is the owner of Good Hope Animal Hospital. He grew up in Boiling Springs, graduating from the Boiling Springs High School in 1985. He attended Penn State University, graduating in 1989. His next step was the University of Tennessee College of Veterinary Medicine, where he was a 1993 graduate. He worked each summer during college for Dr. Barnett, at the Carlisle Small Animal Veterinary Clinic. He now resides in Mechanicsburg with Jennifer, his wife, and two cats, a Himalayan and a Ragdoll. He enjoys working with the dogs, cats, and pockets pets that he sees daily as a veterinarian. He has a strong interest in veterinary ultrasound.

Sara Michler, DVM

Dr. Michler graduated with a degree in Animal Science from Delaware Valley College. She then went on to the Ohio State College of Veterinary Medicine to earn her DVM. In January 2008, Dr. Michler joined as a full time doctor at the Good Hope Animal Hospital. Dr. Michler’s special interests include internal medicine, radiology, and pain management. When she is not at work, Dr. Michler enjoys spending time with her cat, “Orion”, her dog, “Linus”, her daughter, her son, and her husband, Tim.

Nina Mantione, VMD

Dr. Mantione grew up in Mechanicsburg and graduated from Cumberland Valley High School in 1987. She attended Franklin and Marshall College and earned a degree in studio art. She graduated from the University Of Pennsylvania School Of Veterinary Medicine in 1995, and stayed there to complete a one year medicine and surgical internship. After working in private practice in center city Philadelphia for 6 years she returned to this area to join Good Hope Animal Hospital in 2001. She now lives in Enola with her husband and four children, as well as their three dogs and three cats. She enjoys riding horses, watching her kids play soccer, and gardening in her spare time.

Takis Weekes, VMD

Dr. Weekes graduated with a degree in Biology from the University of Arizona. He then continued his education at the University of Pennsylvania where he graduated with a Doctorate in Veterinary Medicine. The following year, he completed a one year medical and surgical rotating internship at Red Bank Veterinary Hospital in New Jersey. After working at a private practice in New Jersey for 3 years, he joined Good Hope Animal Hospital in 2015. He has a great passion for surgery and exotics care. In his spare time, he enjoys playing golf, tennis and working out along with spending time with his wife Natalie, his two cats and their bearded dragon.

Charles London, DVM

Dr. London is a York native and after graduating from York Suburban in 1973, he attended George Washington University and graduated from Penn State University in 1977. A Master’s degree in Veterinary Parasitology came next, then he graduated Summa Cum Laude from The University of Georgia College of Veterinary Medicine with a Doctorate of Veterinary Medicine (DVM) in 1984. After working in several practices, Dr. London started his own hospital in 1988, growing it into a 5 doctor practice before selling it in 2012 to devote more of his time to practicing medicine and seeing clients. Dr. London lives in East York with his wife, Elizabeth, and works in time for his hobbies and children. He has two daughters and a son and enjoys astronomy, archaeology and target shooting. Dr. London joined Good Hope Animal Hospital in 2016, committed to client education, and focused on the human side of medicine and building trust and relationships with his clients.