Heights Hospital For Animals

1865 Commerce St
Yorktown Heights, NY 10598



Dr. Mark Sebetic:

Dr. Mark Sebetic grew up on Long Island in NY. He started working at the Port Washington Animal Hospital when he was a junior in High school. He began as a volunteer and worked his way through the different jobs at an animal hospital. He attended undergraduate school at Muhlenberg College and graduated from The University of Florida with a degree in Microbiology and Cell Science. He went to Veterinary School at The University of Tennessee where he met Drs. Delaney and Groblewski. The 3 graduated in 1988.

After graduating he worked on Long Island for 6 years and in 1994 he bought Harlem Valley Animal Clinic. He remained in contact with Drs. Delaney and Groblewski and in 2003 they became partners and purchased Heights Hospital For Animals. In 2008 he opened Kent Animal Clinic. His special interests include surgery and dermatology. He remains deeply committed to a compassionate and common sense approach to his patients and clients. 

Together with his wife Cathy and son Michael he lives in Kent, CT. They have 3 dogs, 2 Labradors and 1 King Charles Spaniel, and 3 cats. He serves as the treasurer of The Kent Memorial Library and is the vice chairman of the Kent Board of Finance. He is an avid golfer and plays regularly.

Cathy Sebetic

Cathy met Dr. Sebetic on Long Island where he used to practice in 1993. She bought her dog Jada to see him when she was very ill. They started dating shortly after that, and she moved up to Dover Plains with him in 1994. They were married in 1995, and their son Michael was born in March of 1997. When Michael entered middle school, she returned to working by helping Dr. Sebetic to establish the Kent Animal Clinic. She works as a receptionist, assistant and manager and keeps the office running smoothly.

Her interests outside of work are varied and centers on crafts and gardening. She makes her own greeting cards and jewelry. On most days off in the warm weather she can be found tending her garden at home.


Jean Chutka-Gazzoli 

Jean Chutka-Gazzoli was originally a client of Dr. Sebetic for 5 years with her 2 Labradors Sam and TJ. Then in 2000 she started working as the receptionist at Harlem Valley Animal Clinic. She took a brief hiatus when her daughter Annika was born in 2001. She returned shortly thereafter and has been with us since. She started working in the Kent office when it opened in 2008 as well as continuing at Harlem Valley Animal Clinic.

Jean together with her husband Todd live in Dover Plains with their daughter Annika. In addition they have 2 dogs, a Doberman named Nick and a Labrador named Jonas. They also have 2 cats Ceasar and Suzy.