• 633 Roanoke Ave., Riverhead, NY 11901          Phone  631.727.3795  Fax 631.727.1961

About Us

Drs. Nancy & Glen Mark have been helping people live pain free and healthy lives for over twenty years. Understanding the human body has the ultimate healing ability, they believe in educating clients on chiropractic and other issues to ensure maintaining optimal physical and mental health.  As chiropractors with more than 30 years experience, they are committed to promoting family health and living a drug free life.

Education
  • SUNY Oneonta
  • SUNY Farmingdale
  • Life College School of Chiropractic 

Let Us Be An Essential Part of Your Wellness Plan
So you can live your very best life!

Hallmark Chiropractic is proud to offer a natural, hands-on approach to healing and wellness. Our practice is focused on maintaining proper alignment and integrity of your spine, joints, and surrounding tissue.
 
The spinal column surrounds all of the nerves that operate the body’s every function. These nerves must behave properly in order for the human body to  be in a state of wellness, as they control every single organ system in the body. 

Chiropractic care is an essential part of every wellness plan.  Regular maintenance decreases pain, helps prevent disease, and allows the body to function at the highest level possible.  Hallmark Chiropractic is committed to providing holistic treatment options and wellness education to the whole family, so you can live your very best life.

Office Hours




MONDAY
Chiropractic
8:30am - 11am
12:30pm - ​7pm
Massage
1:30pm- 6:30pm
Trigger Point Therapy
2:00pm-6pm

TUESDAY
*CLOSED*

WEDNESDAY
Chiropractic
8:30am - 12pm
2:30pm - 6pm
Massage
10am - 12pm
2:30pm - 6:30pm

THURSDAY
*CLOSED*

FRIDAY
Chiropractic
8:30am - 12pm
2:30pm - 6pm
Massage
9am - 12pm
2:30pm - 6:00pm

SATURDAY
Chiropractic
8:30am - 11:00am

SUNDAY
*CLOSED*

HOLIDAY CLOSURES
​  Friday and Saturday
​
12/24/2021 & 12/25/2021
and 
12/31/2021 & 1/1/2022
​​

PRINTABLE
​CALENDAR