6715 S Western Ave
Oklahoma City, OK 73139

phone tel (405) 634-5700
fax (405) 634-5233

Hours: 7:30 am - 6:00 pm M-F
7:30 am - 12:00 pm Sat

About Us

Dr. John Calhoun Picture

Dr. Calhoun received his D.V.M. degree from Oklahoma State University in 1989.  He worked as an associate veterinarian at several clinics in OKC, did relief work in OKC and Edmond, and a short stint at the Oklahoma State Department of Health before purchasing Rock Knoll Animal Hospital from its founder Dr. Norm Adams in 1997.  Dr. Calhoun joined the American Academy of Veterinary Dermatology in 1998 and has a special interest in allergies potensmedel för män and diseases of the skin.  Dr. Calhoun serves on the board of directors of the Central Oklahoma Humane Society and is an active participant in animal welfare issues.  In 2007 the Oklahoma Veterinary Medical Association presented Dr. Calhoun with the Companion Animal Practitioner of the Year award.  He has been married to Susan for 32 years, they have 2 adult sons and 3 grandchildren.




Last Updated ( 01.17.13 )

Dawn started working at Rock Knoll as a technician in September of 1980. She first worked for Dr. Norman Adams until 1997 when he sold the hospital to Dr. Calhoun. In the many years she has worked here, Dawn has worked with and made friends with many veterinarians who have gone on to work elsewhere or to start their own clinics. She has also helped train many co-workers that have worked at Rock Knoll. Dawn is married to James and has two children -- Dani and Zane -- and numerous pets.

Last Updated ( 08.20.10 )