Dr. Ross Tramell, VMD, MS

Dr. Ross (as he prefers to be called) was born in Ft. Lauderdale, Florida and raised in Lancaster County, Pa. He graduated from Penn State University with a Bachelor of Science degree in Animal Bioscience. He then proceeded to Temple University School of Medicine where he obtained a Master’s degree in Physiology. Remaining in Philadelphia, he attended the University of Pennsylvania, School of Veterinary Medicine.

His excellent communication skills and witty sense of humor makes him very popular with our clients and patients. He has special interests in surgery, cardiology and oncology.

Dr. Ross enjoys working around the house, brewing his own special micro-brew, swimming, playing guitar, spending time with friends, and traveling with his wife, Claudia and 2 daughters. Their four-legged family includes a rescued cat:  Mack and Golden Retriever Mix, Rosie X Ray!

Dr. Anna McEvoy, VMD 

Dr. Anna grew up on a small horse farm in Saratoga Springs, New York and has had a passion for animals ever since. She attended Colgate University where she majored in molecular biology and then headed directly to the University of Pennsylvania School of Veterinary Medicine, where she received her degree in 2007.

Her primary professional interests are x-ray and ultrasound imaging, internal medicine, general wellness and preventative medicine.

When she’s not at work, Dr. Anna takes care of her ever-growing family that includes her husband, son, 1 dog, Rhonan, 3 cats , Apple Banana, Betty White  and Cantaloupe. Dr. Anna enjoys spending time outdoors with her family, horseback riding and cooking. 

Dr. Samantha Mustazza, VMD 

Dr. Sam has been with Schwenksville Vet since 2021 and has been nothing but a ray of sunshine! Her Personality and determination fits into our team perfectly. Her love for cats is why she decided to become a veterinarian vs a human doctor.

Dr. Sam’s primary interest is dentals, internal medicine and dermatology. Dr. Sam is also “Fear Free” certified.

In her spare time she enjoys spending time with her husband, 2 dogs and colony of cats.


Dr. Diana Klein, VMD 

Dr. Diana attended Pennsylvania State University, where she majored in Animal Bioscience and Equine Science. In 2009 Dr. Diana received her degree at University of Pennsylvania School of Veterinary Medicine.

Her primary professional interests are internal medicine, general wellness, and preventative medicine.

When she’s not at work, Dr. Diana loves spending time with her family that includes her husband and 2 daughters. Dr. Diana enjoys spending time volunteering at the local food pantry, skiing, and horseback riding.