Our Doctors
Dr. Marshall Kohr
Dr. Kohr received his DVM from Colorado State University
in 1989. He worked from 1989 until 1991 in a
predominantly cattle practice in Bridgeport, Nebraska
until relocating to Gillette and opening AMC with Dr.
Lynde. Dr. Kohr has practiced both small and large animal
medicine in the past but preferring large animal, now
strictly sees only equine and bovine patients.
Dr. Darren Lynde
Dr. Lynde acquired his Doctorate of Veterinary Medicine
in 1989 at Colorado State University in Fort Collins,
Colorado. Being a native of Gillette, he returned to the
area after graduating and worked for Gillette Veterinary
Clinic from 1989 until 1991 when he and Dr. Kohr opened
Animal Medical Center. Dr. Lynde practices and enjoys
both small and large animal medicine.
Dr. Nicole Allee
Dr. Allee is a native of Gillette and a 1989 Colorado
State graduate. She was a classmate of Drs. Kohr and Lynde. After graduating she worked at mixed practices in
Pueblo and Lamar, Colorado until 1991. From 1991 until
1993 she worked in a small animal practice in Spearfish,
South Dakota. She joined the AMC team in 1993 and now
works part time. Dr. Allee worked with both large and
small animals until 1996 but now works primarily with
small animals.
Dr. Diane Ernst
Dr. Ernst received her doctorate of Veterinary Medicine
in 1970 from Washington State University in Pullman,
Washington. She has worked in Montana, Washington, and
Wyoming, as well as internationally, and has worked part
time for AMC since September of 1996. Dr. Ernst is
especially interested in small animal behavior. She also
participates in teaching canine obedience classes.
Dr. Susan Lucas
Dr. Lucas attended veterinary school in Manhattan, Kansas
and graduated with her DVM in 1980. From 1980 until 1981
she worked at a veterinary clinic in North Dakota. In
1982 she began working for Gillette Vet Clinic here in
Gillette. She stayed with Gillette Vet until 1991 when
she went back to Bismark Animal Hospital in North Dakota
for a short time. She has worked at AMC since 1992. Dr.
Lucas' main interests lie in small animals- she
especially likes orthopedic surgery.
Dr. Charlie Noland
Dr. Charlie Noland is also a graduate of Washington State
University’s College of Veterinary Medicine. He is a
Montana native with thirty years of mixed animal
experience. Dr. Noland is semi-retired, working part time
for AMC and enjoys treating all species of animals. He
resides in the Billings area with his wife, Laurel. He
has four children and seven grandchildren. He enjoys
hunting with his dogs and riding gentle horses.
Dr. Brad Powell
Born and raised in west Texas, Dr. Powell attended
undergraduate school at Abilene Christian University
where he graduated with a Bachelor's degree in Animal
Science. Dr. Powell attended veterinary school at Texas
A&M, where he graduated in 1997. He and his family moved
to Gillette in 1999, when he began working at AMC. Dr.
Powell enjoys all aspects of mixed practice, including
work with exotic animals, but has a special interest in
horses.
Dr. Matthew Vercimak
A Wyoming native, Dr. Vercimak grew up in Kaycee and
attended the University of Wyoming. He graduated with a
Bachelor’s degree in Animal Science in 2001, and went on
to graduate from Colorado State University College of
Veterinary Medicine in 2005. Dr. Vercimak’s primary
interests lie in equine and bovine medicine, as well as
small animal soft tissue surgery. He enjoys working with
horses, and spending time in the mountains hunting and
fishing.
Dr. Garry Gotfredson
Born and raised in Worland, Wyoming, Dr. Garry Gotfredson
attended the University of Wyoming on a football
scholarship in 1997. He graduated in 2004 with a
degree in Animal Science Pre-Veterinary Medicine and was
accepted to Ross University School of Veterinary
Medicine. Dr. G. spent his senior year at Iowa
State University and graduated in 2008. Before
coming to AMC, Dr. Gotfredson worked at a mixed animal
practice in Canon City, CO, and at an emergency clinic in
Pueblo, CO. Dr. G. is particularly interested in
anesthesia, pain management, and orthopedic surgeries,
and works on both small and large animals. In his
spare time, he enjoys being outside fishing, hunting and
cycling.
Dr. Rena Stohrer
Dr. Rena Stohrer is a graduate of
Washington State University College of
Veterinary Medicine. A native to
Buffalo, Wyoming, Dr. Stohrer attended the
University of Wyoming where she received
her Bachelors degree in Animal Science and
her Masters in Ruminant Nutrition before
attending Veterinary School at Washington
State. She is especially interested
in ruminant and equine medicine, but enjoys
working on both small and large animals.
Dr. Stohrer enjoys spending time with her
family, drawing, hiking, camping, and
running with her German Shepherd mix,
Kirby.
