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Maria Stein Animal Clinic, Inc.

8155 SR 119 | Maria Stein, OH 45860

Call 419-326-2066
Monday 7:30am - 6:00pm
Tuesday 7:30am - 6:00pm
Wednesday 7:30am - 6:00pm
Thursday 7:30am - 6:00pm
Friday 7:30am - 6:00pm
Saturday 7:30am - 1:00pm
Sunday Closed
  • Farm calls to livestock clients.
  • Full grooming at all locations.
  • New clients welcome.
  • Pet cremation services available.
  • Serving the area for 25 years.
  • 24-Hour Vet
  • Animal Boarding
  • Animal Daycare
  • Animal Flea Control
  • Animal Grooming
  • Animal Microchipping
  • Declawing
  • Emergency Veterinary Clinic
  • Large Animal Vet
  • Small Animal Vet
  • Spaying/Neutering
  • Veterinarians
  • Veterinary Dentistry
  • Veterinary Docking
  • Veterinary Euthanasia
  • Veterinary Surgery
  • Veterinary Vaccinations
  • Veterinary Cropping


Welcome to Maria Stein Animal Clinic!

Serving Mercer, Darke, and Auglaize counties, our offices work together to promote the best possible animal care for our patients. We employ 7 doctors and 6 licensed veterinary technicians to care for our patients.

We see small animal veterinary appointments daily in our clinics. Please feel free to call at any time during business hours to schedule your appointment. We see pets by appointment to better serve all our clients and patients.

We understand that sometimes accidents happen or your pet may become suddenly ill. In cases of emergencies, you can reach a doctor on call 24 hours a day by dialing the clinic phone number. All after hours and weekend emergencies are seen at the Maria Stein clinic which is most centrally located. This allows for better intensive care for ill animals.

Please note that payment is expected at the time services are completed.

We perform surgeries in all of our clinics with most pets returning home the same day. We have in-house blood diagnostics in our Maria Stein and Wapakoneta offices. Radiology and ultrasound are done in the our Maria Stein clinic.

In order to help you keep your pets looking and feeling their best, we offer a full line of bathing and grooming services at all of our clinics. We groom both cats and dogs. We can also update vaccines or perform other veterinary services while your pet is here with us.

Our Maria Stein clinic offers boarding for your pet care needs while you are away for a day, weekend, or extended stay. Those pets with special medical needs are easily cared for by our quality staff. Again, veterinary services can be done while your pet is boarding. Boarding is overseen by our veterinary technicians and veterinarians.

We carry Eagle brand quality foods for your pets at all clinics. We also get weekly deliveries of Hills prescription foods for those pets that have special dietary needs.


Maria Stein Animal Clinic, Inc.

Maria Stein Animal Clinic, Inc.


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Mark Hardesty, DVM, MS

Dr. Hardesty is the co-owner of Maria Stein Animal Clinic Inc, with his wife Dr. Michelle Michalak. Dr. Hardesty is a 1988 graduate of the Ohio State University College of Veterinary Medicine. He received his Master's Degree in Dairy Nutrition and Management from Ohio State. Dr. Hardesty exclusively practices bovine medicine with special interests in dairy management, cow comfort, building design, nutrition consulting, milk quality, milker traning, heifer raising, and vaccination programs. He also writes a monthly column for Hoard's Dairyman magazine.

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Michelle Michalak, DVM

Dr. Michelle 'Mitch" Michalak is a 1985 graduate of the Ohio State College of Veterinary Medicine. She also completed the Executive Program in Swine Health Management at the University of Illinios in 1998.
Dr. Michalak and her husband, Mark Hardesty, co-own three mixed animal veterinary clinics and employ 5 additional veterinarians, 6 licensed veterinary technicians and 20 staff members. Dr. Michalak sees small animals at all three of our locations. Her special interest is in swine production and preventative medicine. She currently practices in three states and is actively involved in swine welfare education, the P.Q.A. Plus program, and on farm safety.

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Brandy Liles, DVM

Dr. Brandy Liles is a 1999 graduate of The Ohio State University College of Veterinary Medicine. Dr. Liles has been practicing with the Maria Stein Animal Clinic since 2002. She owns Heartland Animal Clinic LLC jointly with the Maria Stein Animal Clinic, Inc. Dr. Liles manages Heartland Animal Clinic LLC and is the primary doctor at that location.

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Laura Nusbaum, DVM

Dr. Nusbaum is a 1999 graduate of the University of Findlay and a 2004 graduate of Ohio State University College of Veterinary Medicine. Dr. Nusbaum began her work at Maria Stein Animal Clinc Inc in 2004. She does both livestock and pet animal care. Her special interests include small animal surgery, livestock and pet disease management, and calf care.

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Em Mowrer, DVM

Dr. Mowrer graduated from the University of Findlay in 2003 and from Ohio State University College of Veterinary Medicine in 2007. She interned at Michigan State University after graduation. She has been employed at Maria Stein Animal Clinic Inc since 2010. Dr. Mowrer has a special interest in cattle reproduction, in-vitro fertilization, embryo transfer and farm employee training. She does both livestock and pet animal work.

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Andrea Gibbs, DVM

Dr. Andrea Gibbs lives in New Bremen, Ohio with her husband, Joel, and their Great Dane, Oliver. Originally from Wooster, Ohio, she is a 2012 graduate of The Ohio State University College of Veterinary Medicine and a 2008 graduate of Houghton College. Dr. Gibbs is a member of the American Association of Bovine Practitioners and the American Veterinary Medical Association. She practices both pet and livestock prevention and treatment.

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Caitlin Wiley, DVM

Dr. Wiley graduated from Ohio State University College of Veterinary Medicine in 2013. She started her work at Maria Stein Animal Clinic Inc in June of 2013. She is especially interested in cattle reproduction, pet surgery, and pain management.

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