• Call us as soon as symptoms appear.
  • Call us before giving any medication! Some human drugs can be fatal.
  • For after-hour emergencies call Animal Emergency Clinic at: 253-474-0791

Give Us A Call: (253) 845-7525

Our Staff

Jim Lamb, DVM

The owner of River Road Animal Hospital, Dr. Lamb received his veterinary degree from Colorado State University in 1986. With a diverse background in large and small animal medicine, he finds particular interest in orthopedics and diseases of the skin.

When not busy with his patients Dr. Lamb takes care of his own animals: Buzz the cat: Cracker and Esby, the horses; seven Angus cows; and a bull. He also enjoys beekeeping.

Jeff Marvig, DVM

Dr. Marvig came to River Road Animal Hospital in 1998, following a one-year internship at Rowley Memorial Animal Hospital. He earned his veterinary degree from the University of Wisconsin in 1991, and takes special interest in certain knee surgeries.

Both at home and at work, Dr. Marvig enjoys the company of his chocolate Lab, Mo. Mo accompanies him to work daily and donates blood here on occasion.

Dr. Riemer

Dr. Riemer joined the River Road staff in 2011. Dr. Riemer earned his undergraduate degree at the University of Chicago. In 2004, he earned his DVM degree from the University of Wisconsin-Madison.

Dr. Riemer enjoys all aspects of small animal practice with particular interest in dentistry, oncology, and preventative medicine.

The Riemer family has 2 Labs who love to go camping, hiking and joining in with whatever may be happening with the family.


Pam Wiltzius, DVM

Dr. Pam joined River Road Animal Hospital in 2003. She graduated from the University of Wisconsin-Madison in 1992, and hers fields of interest include internal medicine , cardiology and ultrasound.

Outside of work, Dr. Pam keeps busy with quite a menagerie of her own: three dogs (two mastiffs and a pit bull), three birds (lorikeets), and a lizard (a bearded dragon). Her non-animal pastimes are running, traveling and music.

Lisa Hedman, DVM

Our newest veterinarian, Dr. Hedman came to River Road Animal Hospital directly from Washington State University, where she received her degree in 2004. She finds the fields of animal behavior and internal medicine particularly rewarding.

Dr. Hedman’s pets include two Border Collies, Anne and Toby, and a cat, Ginger. When time allows, Dr. Hedman trains her dog in obedience and agility.