Meet the Team

Lefferts Animal Hospital

Lefferts Animal Hospital is a full-service veterinary medical facility, located in Richmond Hill, NY . The professional and courteous staff at Lefferts Animal Hospital seeks to provide the best possible medical care, surgical care and dental care for their highly-valued patients.

We are committed to promoting responsible pet ownership, preventative health care and health-related educational opportunities for our clients. Lefferts Animal Hospital strives to offer excellence in veterinary care to Richmond Hill, NY and surrounding areas.

Please take a moment to contact us today, to learn more about our veterinary practice and to find out more information about how Lefferts Animal Hospital can serve the needs of you and your cherished pet.
86-37 Lefferts Blvd
Richmond Hill, NY 11418
Phone: (718) 849-3000
Fax: (718) 846-6027

Get Directions
Mon-Fri: 9:00AM - 8:00PM
Sat: 9:00AM - 3:00PM
Sun: 9:00AM - 3:00PM
After Hours: (718) 263-0099
Closed Thanksgiving, Christmas and New Year's Eve

David Halpern, DVM (Owner)
Graduated Louisiana State University Veterinary School in 1986. Practice owner and medical director since 1988. He is also the co-owner of Quality Veterinary Care and West Hempstead Animal Hospital. Dr. Halpern is very proud that his Daughter Amy has chosen to follow in his footsteps. Special interests in general medicine and exotics medicine.

Louisiana State University Veterinary School

Richard Valdes, DVM
Graduated NYS College of Veterinary Medicine at Cornell in Special interests in surgery. Works with exotics Bilingual - Spanish

College of Veterinary Medicine at Cornell

Zareen Mistry, DVM

Dr. Mistry was born and raised in Michigan. She graduated with a Bachelor's degree in Animal Physiology from Cornell University, then went on to veterinary school at Kansas State. After completing an internship in Boston, she worked as an emergency and general practice vet for 5 yrs in New Jersey. In 2010, she got married and moved to Hong Kong with her husband. She moved to NY and joined the Lefferts team in 2012. Her interests include internal medicine, dentistry, and ultrasounds. She lives in Long Island with her husband, 2 beautiful children, and yellow lab, Maggie Mae. She had the honor of being appointed Medical Director of the hospital in 2015.

Veterinary school at Kansas State

Payal Mittal, DVM
Dr. Payal Mittal was born and raised in Michigan. Dr. Mittal graduated from the University of Michigan with a BA in Psychology. After a year, she decided to pursue her dream career as a veterinarian. Dr. Mittal graduated from Ross University School of Veterinary Medicine in 2010. Her adventure in veterinary school involved a clinical year at Louisiana State University. Her special interest includes surgery, internal medicine, and imaging. She lives with her 2 cats (Kung Pao and Moonpie) in Manhattan and visits her family in Michigan whenever possible. She is very excited to join the wonderful staff here at Lefferts Animal Hospital.

Ross University School of Veterinary Medicine
Jessalyn Chandonnet, DVM
Dr. Jessalyn Chandonnet is originally from Dracut, Massachusetts. She graduated from the University of Massachusetts (Amherst) with a bachelor’s degree in pre-veterinary medicine, and then went on to complete veterinary school atTufts University. After completion of veterinary school in 2016, she made the decision to move to New York to start her career with the wonderful team at Lefferts Animal Hospital. Her medical interests include internal medicine, ophthalmology, and imaging. She now lives with her two cats, Bonsai and Willow, in Brooklyn.
Veterinary school at Tufts University
Deborah Delshad VMD
Dr. Deborah Delshad was born and raised in Baltimore, Maryland. She graduated Magna Cum Laude from the University of Maryland, with a bachelor’s degree Animal Sciences/Pre-Vet and then moved to Philadelphia to complete veterinary school at University Pennsylvania School of Veterinary Medicine. She moved to New York to start her career and is excited to be part of the fantastic team at Lefferts Animal Hospital. Her medical interests include surgery, theriogenology, and imaging. ​​​​​​​
University Pennsylvania School of Veterinary Medicine

General Manager

Amal is a Graduate from Medical School of veterinary Medicine Cairo University with 30 years’ experience working at animal hospitals. Amal has worked for Lefferts from 1989 till 2004 for 15 years and from 2009 till now
Hobbies include Traveling, Swimming, listen to music and Volunteering at church community.

Practice Manager
Andrea has been working with Lefferts Animal Hospital since March 1998. She started working in kennel and has worked her way up the ladder to manager since November 2008. She is always looking for ways to better herself as a leader, manager and most of all a human being. She is also known as the puppy midwife for all c-sections. In her spare time she enjoys Traveling, on and off Broadway plays as well as spending time with her family and friends.

Head Technician

Technician Staff

Technician Staff

Technician Staff

Technician Staff

Technician Staff

Kim R.
Technician Staff

Technician Staff

Head Receptionist

Reception Staff

Lisa B.
Reception Staff

Reception staff

Reception Staff

Kimberly H.
Reception Staff


Reception Staff​​​​​​​

Emily K.
Head Room Assistant

Room Assistant

Room Assistant

Room Assistant

Room Assistant

Room Assistant

Room Assistant

Room Assistant

​​​​​​​Room Assistant

Louis, Jennifer, Tawayne, Llawrence, Joshua, Travis and Elizabeth R.
Kennel Staff