old shell animal hospital

Dating back to 1948, Old Shell Animal Hospital happens to be the oldest Veterinary Hospital in Mobile, Alabama. Our clients often tell us what a warm, cozy charm our office exudes. We invite you and your furry friends to come by and experience our comfortable facility and friendly staff.


We specialize in the treatment and prevention of health maladies that affect cats and dogs. Our staff is dedicated to providing the highest standard of quality and compassion in veterinary care for our patients. We maintain a friendly atmosphere, where pets are treated with kindness and pet owners receive  informative and supportive services. We want to make your veterinary experience as thorough and pleasant as possible.

Meet Our Staff

DR. MARY  KATHERINE CROSS

Dr. Cross is a native of Montgomery, Alabama. She graduated from the Montgomery Academy in 2000. In 2003, Dr. Cross received her Bachelors of Animal Science, cum laude, from Auburn University, and in 2007 she graduated from the Auburn University College of Veterinary Medicine, cum laude, completing an 8 year degree in only 7 years.  While Dr. Cross has been fortunate to have worked for and with many of Mobile's Veterinarians.  However, it wasn't until she joined the team at Old Shell Road Small Animal Hospital in 2011 that she found her home.  In December 2012, she purchased the hospital from her friend and mentor Dr. Les Greer.

Dr. Cross and her husband, Jonathan, have 2 daughters, Cadence and Palmer, joining an animal family consisting of 2 cats, “Roscoe” and “Snip,” and dog “Ruxin.” Dr. Cross is an active member of the Mobile Junior League, the Mobile Chamber of Commerce, the Rotary Club of Mobile, and a former Vice President of the Mobile Veterinary Medical Association. She received the Nappie Award for “Best Veterinarian” in 2014 and 2017.  She also was a finalist, or one of the top 5 Veterinarians in Mobile, in 2015 and 2016.  Dr. Cross has also served as a consultant for Zoetis, the animal branch of Pfizer. When not working, she and her husband Jonathan enjoy exploring their adopted city, hiking, traveling, and photography.