Paradise Animal Hospital

6350 Frederick Rd. Catonsville, MD 21228

In case of an after-hours emergency please contact the following emergency hospital:

The Emergency Veterinary Clinic
32 Mellor Ave
Catonsville, MD 21228
Phone: (410) 788-7040

Pet ER
1209 Cromwell Bridge Rd
Towson, MD 21286
Phone: (410) 252-8387

Animal Emergency Hospital of Ellicott City
10270 Baltimore National Pike
Ellicott City, MD 21042
Phone: (410) 750-1177



Meet Our Veterinarians

Get to know our team of veterinarians here at Paradise Animal Hospital by reading their staff bios, so that you, and your pet, can be assured that you will have the best care possible for any of your pet’s health needs!


Dr. Thacker

Dr. Thacker grew up in southeast Michigan just across the border from Toledo, OH. She earned her B.S. in Biology at Valparaiso University in Biology and the Humanities. She then attended Iowa State University’s College of Veterinary Medicine, where she completed her DVM. Her special interests are in Surgery, Dentistry, Dermatology and Behavior (especially facilitating low-stress vet visits). She currently lives in downtown Baltimore with her husband and her guinea pig, Echo, and is loving city life. When she is not working, she enjoys traveling with her husband, exploring local restaurants and salsa dancing.

Dr. King

Dr. Jennifer King grew up in Northern Virginia. She graduated from St. George’s University Vet School in 2006. She has practiced veterinary medicine in Maryland in 2006 and became certified in rehabilitation & physical therapy in 2011. She is interested in neurology, ophthalmology, feline medicine and pain management. She practiced emergency medicine and rehabilitation for 5 years before joining Paradise Animal Hospital.

After recently losing her cat Sylvia, she only has one furry companion a Doberman named Darby. But she has a full house with her two young sons, Robert and Isaac, husband Daniel and her mother whom helps care for the boys!


Dr. Riehl

Dr. Riehl, originally from Corvallis, Ore., completed her undergraduate degree at Colorado State University. She returned home for veterinary school and graduated from Oregon State University College of Veterinary Medicine in 2011. She completed an internship at the University of Illinois Veterinary Teaching Hospital in 2012. Dr. Riehl’s veterinary interests include sports medicine and internal medicine.

Outside of the hospital, Dr. Riehl enjoys long-distance running, ultimate frisbee, competitive horse-back riding (three-day eventing), and going to concerts. Throughout her years of animal service, she has miraculously adopted only two pets: a faithful black Lab mix named Sally, and a cat named Otter.


Dr. Twardzik

After graduating from Maryland College of Veterinary Medicine in 2003, Dr. Twardzik moved to Portland, Oregon, where she practiced for ten years. In 2013, she returned to Maryland and joined the Paradise team. Her areas of interest include internal medicine, feline medicine, pain management, wellness and senior care. joined the Animal Hospital of Dauphin County in July, 2013. She became interested in animals at a young age; and spent summers working on her grandparents' dairy farm and began riding horses at 12 years old. Dr. Zajac attended King's College in Wilkes-Barre, PA where she received her Bachelor's Degree in Biology, and then headed off to Auburn University College of Veterinary Medicine in Auburn, AL. Although she loved Southern life and enjoyed meeting new people, Dr. Zajac felt the urge to be back in PA with her family. After graduation, she returned to PA in 2009 where she worked with dogs, cats and horses as a general practitioner. In her free time Dr. Zajac enjoys birding, hiking, and spending time with friends and family. She have a horse named Lovie and a cat named Gus.

In her time away from the hospital, Dr. Twardzik enjoys writing, reading, gardening, travel, and any number of outdoor activities. She currently shares her home with her cat Winky. 


Dr. Hain

Dr Rosalind Hain is originally from South Africa but has lived in the US for over 20 years.  She did both her undergraduate and veterinary training at The Ohio-State University, and graduated in 2004. Go Buckeyes! After working in mixed animal practice for 11 years, Dr Hain joined Paradise Animal Hospital.  She is interested in rehabilitation and diagnostic and treatment of orthopedic conditions and received her certification in Canine Rehabilitation from the University of Tennessee.  When not working Dr. Hain is an avid cyclist and shares her home with her partner, two naughty cats and her 14 year old dog Trevor.


Dr. Burke

Dr. Burke was born and raised in Catonsville. She attended Catonsville Elementary, Junior and Senior High Schools. She graduated from University of Maryland Baltimore County in 1982 and received her DVM with honors from Ohio State University in 1985. She opened Paradise Animal Hospital on June 19, 1990. Her special interests include internal medicine, geriatrics and canine rehabilitation. She is a Certified Canine Rehabilitation Practitioner. Dr. Burke and her husband, Will, are the proud parents of two boys, Nick and Mack; two dogs, Ripp and Croner; two cats, Charlotte and Ahab; and a parakeet. In her free time she enjoys the outdoors, gardening, working out with her friends and antiquing.


Dr. Tinanoff

Dr. Tinanoff is originally from Connecticut and went to veterinary school at Cornell University. She then completed an internship at Oradell University in New Jersey, after which she came to Maryland to be closer to her family. She practiced at an emergency hospital for two years and then came to Paradise Animal Hospital in 2005. When she’s not chasing around her toddler, she enjoys traveling, playing cello, hiking and running. She lives with her husband and son as well as a funny-looking, pint-sized mutt and two lazy cats. *Dr. Tinanoff is currently on sabbatical and plans to return in Fall of 2018.


Dr. Bloom

Dr. Sandra Bloom graduated from the University of Pennsylvania School of Veterinary Medicine and has strong interests in surgery and dentistry in addition to internal and dermatology practice. She is delighted that each day she can make life better for animals and their humans through her work! When not working, Dr. Bloom tends to a small herd of cats and a very hungry Labrador Retriever. Most days can find her cooking, exploring the Baltimore area with her dog, or voraciously reading pretty much anything. Please include your book recommendations when you visit!


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