West Trenton Animal Hospital






Monday        
 7:30 AM - 7:00 PM
Tuesday        7:30 AM - 7:00 PM
Wednesday   7:30 AM - 7:00 PM
Thursday       7:30 AM - 7:00 PM
Friday             7:30 AM - 7:00 PM
Saturday        8:00 AM - 1:00 PM
Sunday           Closed
After Hours Emergencies: 
C.A.R.E.S. 24 hour Emergency
Service for Animal Referral
2010 Cabot Blvd., West
(opposite Oxford Valley Mall)
Langhorne, PA 19047  
Telephone: 215-750-2774

Veterinary Specialty & Emergency
Care Service
1900 West Old Lincoln Highway
Langhorne, PA 19047  
Telephone: 215-750-7884



Our Staff



Veterinarians

  • John J Kazmierczak , D.V.M.


    John Kazmierczak, DVM, President and Owner

    Dr. Kazmierczak, known as “Dr. K” to his clients and healthcare team grew up in upstate New York along Lake Erie in a small town, Dunkirk, New York. He has both his B.S. and DVM degrees from Cornell University in Ithaca, New York. Dr. K established the WEST TRENTON ANIMAL HOSPITAL, PC in February 1977. The original practice started out of a small home on Grand Avenue with a few renovations and a big dream. The original West Trenton team consisted solely of Dr. K, his wife Barbara as a receptionist, and two veterinary technicians. In June of 2006 the big dream became even bigger and the entire healthcare team of 26 employees moved to a brand new state of the art facility at the same location.

    In the past, Dr. Kazmierczak has been a President of the Central New Jersey Veterinary Medical Association and also President of the Tri-County Racing Pigeon Club. He was once voted “Central New Jersey Veterinarian of the Year” by his colleagues. Dr. Kazmierczak was instrumental in establishing a scholarship fund to help underprivileged veterinary students at Cornell University Veterinary School for a friend and client.

    Dr. Kazmierczak raises and races various strains of racing pigeons. His favorites are the Gurnays from Verviers, Belgium. He has won many local and statewide competitions and has lectured around the country as a noted speaker on pigeon health and related diseases.

    Dr. Kazmierczak also has an interest in growing irises, some of which are award-winning and spectacular to see in bloom. They can be seen throughout the hospital during the month of May.

    Dr. Kazmierczak is a dedicated veterinary practitioner and a devoted husband and father. He has resided in the community for over 33 years with his wife Barbara and his two college age daughters, Elizabeth and Lisa Anne.

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  • Karen Kohler , D.V.M.


    Karen Kohler, D.V.M

    Dr. Kohler grew up in Bryn Mawr, Pennsylvania. She received her degree in Economics and History from Harvard University and her degree in Veterinary Medicine from Purdue University. She has lived in Central New Jersey and has been practicing large animal, equine and small animal medicine. Dr. Kohler has been with the West Trenton Animal Hospital since 1992. She lives on a dairy farm with her husband, two children and innumerable cows and horses.

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  • Christine Metzger , V.M.D.


    Christine Metzger, V.M.D.

        Dr. Christine Metzger was born in New York State, but was raised in the San Francisco Bay Area. It was there amid California’s natural beauty that she developed her love and admiration for animals. She earned an undergraduate degree from the Rhode Island School of Design in Providence, Rhode Island. After seven years as a practicing designer both in New York City and San Francisco, she married, began a family and made the decision to return to school to earn a veterinary degree. 
        Dr. Metzger is a 2007 graduate of The University of Pennsylvania School of Veterinary Medicine. Christine lives in Yardley, Pennsylvania with her husband, two children, and a two year old Rat Terrier. They are an active family that enjoys the outdoor beauty of Bucks County, whenever possible. She is thrilled to begin her career as an associate veterinarian at West Trenton Animal Hospital
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  • Thomas Padhi , D.V.M., Ph.D.


    Thomas Padhi, D.V.M., Ph.D.

    Dr. Thomas Padhi, aka “Dr. Tom” received his veterinary degree in India. He came to the U.S. and attended graduate school, receiving an M.S. at the University of Maryland and a Ph.D. at the University of Massachusetts. He had his own small animal practice in Central New Jersey for 27 years. He and his wife Sally have three grown children: Mike, Steve, and Linda. The couple lives in Central New Jersey with Daisy, their Beagle. Dr. Tom is a sports enthusiast and thoroughly enjoys playing tennis.

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