Mar was born and grew up in the St. Louis area.  Upon graduation from high school, she entered the University of Missouri – Columbia, College of Agriculture where she graduated with a BS in Animal Science with Honors.  She then attended the University of Missouri, College of Veterinary Medicine where she received her Doctor of Veterinary Medicine (DVM) degree in 1979.   Dr. Doering entered private practice in the central Missouri area and founded the Animal Clinic of South Callaway, PC in 1980.  In 2010, Dr. Doering rededicated her clinic as “All Paws Medical and Behavioral Center” in order to give appropriate emphasis on her increased interest in treating animals with behavioral issues.

Dr. Doering is a member of Phi Zeta Honor Society of Veterinary Medicine and in 2012 was the first woman chosen by the Missouri Veterinary Medical Foundation to be inducted into the Veterinary Honor Roll of Missouri.   She is the author of numerous articles and publications dealing with pet care.  Over the years, she has been involved in public education relating to veterinary medicine, pet care and animal behavior, being interviewed on numerous occasions, appearing on various local television programs and hosting a weekly local PBS program entitled, “The Pet Connection – With Dr. Mar Doering”.   She has been a frequent guest on the “Radio Friends with Paul Pepper” show discussing behavioral issues.

Consistent with the growing focus of her practice on animal behavior and behavioral medicine, Dr. Doering was chosen to be a training consultant for the Jefferson City Correctional Center “Puppies 4 Parole” (P4P) program instituted by the Missouri Department of Corrections in a volunteer capacity.  She served in this role for 4 1/2 years working with offender-dog handlers to train unadoptable dogs into AKC tested Canine Good Citizens and wrote much of the P4P training manual for the state.  In recognition of her contributions to this program, Dr. Doering was honored by the Director of the Department of Corrections with the Director’s Coin of Excellence.

Dr. Doering also works with the Jefferson City Animal Shelter to assist dogs suffering from anxieties and she teaches puppy kindergarten classes for the Friends of the JCAS.

In addition to her behavioral practice, Dr. Doering continues to practice small animal medicine and surgery serving the needs of her patients as a full-time veterinarian at her clinic in Holts Summit, MO.  Her special interests in veterinary medicine include medical and surgical preventative care, client education and animal behavior.

She has been married for 41 years to her husband Dave.  They reside in rural Callaway County with their 8 dogs “Dooey”, “Mario”, “Duncan”, “Conner”, “Raphael”, “Giuseppe”, “Pastrami”, and “Penne” and their 7 cats, “Taz”, “Hoss”, “Little Joe”, ”Tooners”, “Lokie”, “Pokie” and “Pattie.”