Meet Our Doctors

Dr. Daniel Lange
Dr. Daniel Lange

Owner and Veterinarian


Dr. Lange has been practicing veterinary medicine for the past 30 years. He has served the needs of pets and their owners in the greater St. Charles area along with surrounding counties. He deals in companion animal medicine (primarily dogs and cats) but also deals with exotics like ferrets, guinea pigs, hedgehogs, rats and the like, as well as birds.

Dr. Lange is a 1975 graduate of the University of Iowa with a B.A. in Zoology. In 1981, he earned his Doctor of Veterinary Medicine from Iowa State University. He is a member of the American Veterinary Medical Association and the Missouri Veterinary Medical Association. In his spare time, he enjoys running, swimming and bicycling. He is grateful for the wonderful pets he has met and the great owners that come to him at Elm Point Animal Hospital.

Dr. Michael Little
Dr. Michael Little

Owner and Veterinarian


Dr. Little has been practicing veterinary medicine for the past 15 years in the St. Charles community. Although Dr. Little grew up on an Angus cattle and row crop farm in Northeast Missouri, his interests have always been small animal medicine and surgery.

In 1993, Dr. Little received his Bachelor of Science degree from the University of Missouri in Biochemistry. In 1998, he graduated with a Doctor of Veterinary Medicine degree from the University of Missouri Veterinary Teaching Hospital. In his spare time, he enjoys spending time with his wife, son, daughter and two cats Ruger and Parasite (Paris) Hilton Little, as well as traveling, volleyball, and Cardinals’ games. Dr. Little enjoys communicating and forming relationships with clients and their pets at Elm Point Animal Hospital. He is also an active member of the American Veterinary Medical Association and the Missouri Veterinary Medical Association.

Dr. Mark Petty
Dr. Mark Petty

Associate Veterinarian


Dr. Mark Petty comes to Elm Point Animal Hospital with three years of experience in small animal medicine. He was born in Florissant Missouri and has served the St. Louis and St. Charles community by providing preventative care and therapeutic treatment to pets in need. He is eager to form lasting bonds with the people and pets of Elm Point Animal Hospital and is excited to be part of the team.

Dr. Petty graduated from the University of Missouri St. Louis with a bachelor's degree in biology in 2006 and received his veterinary education from the Royal Veterinary College of London in England in 2012. His area of focus is emergency medicine, but outside of work, he is an enthusiastic painter and drawer. He also enjoys hiking and mushroom hunting. Dr. Petty has always had pets with him, and currently, has too many cats to count.