Dr. Walter Priestley

Dr. Walter Priestley has been practicing in the Village of Farmingdale since 1988. He has treated thousands of your friends and neighbors since that time. His practice has grown because of his caring, effective professional service.

In 2009, 2010, 2012, 2013, 2014, 2016 and 2021 the office was voted by the readers of the Long Island Press as the “Best Chiropractic Office on Long Island.” Previously in 2003, he was presented the award of "Business Person of the Year" by the Nassau Council of Chamber of Commerce. In 2011 and 2014, he was awarded the Long Island Business News "Healthcare Heroes" award for Complimentary and Alternative Medicine. Dr. Priestley also completed his first NYC Marathon in November 2015 and his second NYC Marathon in 2019.

He is a graduate of SUNY Stony Brook 1984. He received his doctorate in Chiropractic from New York Chiropractic College and his license to practice in the states of New York and California in 1988.

He has post graduate certificates in radiology, scoliosis and cervical acceleration/ deceleration (whiplash)
type injuries from the Spine Research Institute. He is currently board certified in chiropractic pediatrics.
Dr. Priestley is a member of the Nassau District of the New York State Chiropractic Association and Long Island Doula Association.
He is certified by the American Red Cross as a "Protect your Back" instructor. He is a member of the American Chiropractic Association and the Farmingdale Chamber of Commerce.

Dr. Priestley lives with his wife and three children less than a mile from his office in Farmingdale.

Dr. Priestley is available for lectures to professional and lay groups on a variety of topics including starting a fitness program, reducing your risk of neck and back injuries, auto safety facts, alternative health care among others. Dr. Priestley is also involved in coaching youth sports such as basketball and swimming. He is a fitness enthusiast participating in local triathlons and other athletic events.






Dr. Priestley running in the NYC
   Marathon November 3, 2019




Dr. Chris Wider is a graduate of New York Chiropractic College 1999. He has been working with Dr. Walter Priestley since 2003. Dr. Wider has almost 20 years of experience in high volume, multidisciplinary, and family practices in Brooklyn and Long Island. He also has post-graduate education in health and wellness studies from the Wellness Practice Institute as well as a post graduate certificate in the diagnosis and management of cervical acceleration/deceleration trauma (whiplash). Dr. Wider is a certified Active Release Therapy (A.R.T.) provider.

The types of conditions Dr. Wider specializes in are: disc herniations, motor vehicle injuries, work injuries, neck and low back pain, headaches, and sports injuries. Dr. Wider has a great hands on technique in which he can mobilize your joints or use a non-force technique known as myofacial release, both resulting in effective pain relief, reduction of nerve interference and better overall health.

Dr. Wider is also an avid musician. He performs professionally in such places as BB Kings in Manhattan and performed at the Capitol One Theatre, formally known as Westbury Music Fair, in March 2010. He also volunteers his time performing at Farmingdale Adult Day Care, Art in the Park and other community groups.





Dr. Dawn Warden was born and raised on Long Island.  She completed her primary education at St. John’s University and received her doctorate in Chiropractic from New York Chiropractic College in 1992. Dr. Warden has maintained a private practice in the Hudson Valley for the past 25 years. She specializes in family wellness and stress management as it relates to the spine and nervous system. She now joins Priestley Chiropractic with the desire to provide spinal health care to families in Long Island.  She lives with her husband and two children in Westchester County. She enjoys all aspects of healthy living including cooking, walking, hiking and skiing.








Dr. Samuel Kim is a Long Island native and graduate of Jericho High School. He completed his undergraduate studies at Stony Brook University where he was a member of Iota Tau Alpha and graduated with a Bachelor’s Degree in Athletic Training. He furthered his education earning his Doctorate in Chiropractic at the New York Chiropractic College. He has a background in sports medicine and worked as an athletic trainer for the professional soccer team New York Cosmos. Additionally, his work on a medical team took him to Nicaragua and the Dominican Republic where he volunteered his skills in injury prevention and rehab therapy.  Dr. Kim specializes in sports related injuries, headaches, rehabilitation and spine wellness. In his free time, he enjoys building Legos, playing soccer and basketball, swimming, and jazz. 







Dr. Isis Perez Morales is a skilled chiropractor now practicing at Priestley Chiropractic. Her educational qualifications include a bachelor's degree from the University of Puerto Rico and a doctorate in chiropractic from the Northeast College of Health Sciences. Fluent in both English and Spanish, she offers a diverse and inclusive environment for her patients. Dr. Perez Morales addresses a range of conditions, such as neck pain, sciatica, back pain, hip pain, shoulder pain, and scoliosis. She employs a holistic approach to treatment, utilizing chiropractic adjustments, massage therapy, and chiropractic massage to promote overall well-being. Dr. Perez Morales holds certification from the National Board of Chiropractic Examiners and is also a member of the New York State Chiropractic Association. Her other certifications include: Activator Protocol, Custom Stabilizing Orthotics, Nimmo Technique and Graston Technique. In her free time, Dr. Perez Morales enjoys dancing, reading and spending time with her puppy. We are thrilled to welcome her to Priestley Chiropractic!  








Administrative Team


Team Leader Lisa has been our office manager since 2021. She joined us after working at Island Neurological for 23 years when the doctors retired, and the practice closed. In her free time, Lisa loves to spend time with family and friends, travel, and help run her husband’s contracting company. She can always be found behind the front desk laughing and with a smile.


Team Member Julianna is a student at Stony Brook University pursuing a BFA in creative writing and literature. She has been neighbors with Dr. Priestley since she was 6 years old and has been working for him since she was 16. After she graduates, Julianna plans on working towards an MFA, publishing her novel, and teaching at the undergraduate level.


Team Member Kayla is a student at Stony Brook University pursuing a BA in psychology. Kayla has been a part of the team since August 2020. Kayla will be obtaining her BA in psychology in December 2023. After she graduates, Kayla plans on going to graduate school to get her MA in mental health counseling.


Team Member Adrianna is a nursing student at Adelphi University working towards a BSN, RN. She has been close friends with Dr. Priestley, his daughter Megan, and the rest of his family since she was 8 years old. After graduating, Adrianna plans on working as a registered nurse in a labor and delivery unit. 


Team Member Karem graduated from Nassau Community College with her liberal arts associate degree in May of 2023. She is bilingual in English and Spanish and started working at our office full time in 2022. Karem plans on returning to school soon to obtain her bachelor’s degree.


Team Member Christela has been a part of the team since September 2021 when she came in for a consultation as a new patient. Christela loves fashion and loves to travel. 


Team Member Roxanne is a health science student at Stony Brook University and is on track to becoming a Physician’s Assistant in the future. She met Dr. Priestley through her mother, who has been a long-time patient of his at the office.