Primary Location

451 Hungerford Dr., Suite 510

Rockville, MD 20850 US

(301) 738-1148

(301) 738-1158

Meet the Doctors

  • Dr.
    Donald McGriff

    Dr. Donald E. McGriff DC MUAC is a licensed Chiropractor serving the Rockville, MD community.  Dr. McGriff is a Magna Cum Laude graduate of Logan College of Chiropractic and holds his undergraduate degree from DePauw University. 

    Dr. McGriff has been freeing people from pain and improving their function in the clinic in Rockville, MD for 30 years. As a Chiropractor who has performed almost two million manipulations, Dr. McGriff is committed to promoting optimal health and well being of  patients.  Consumers' Research Council recognized him as one of the country's top Chiropractors in 2006.

    Dr. McGriff uses a 'whole person approach'. This approach to wellness means looking for underlying causes of any disturbance or disruption (which may or may not be causing symptoms at the time) and make whatever interventions and lifestyle adjustments that would optimize the conditions for normal function. Using this unique approach, Dr. McGriff is able to help you to accelerate and/or maintain your journey to good health.

    Dr. McGriff resides in OBX, North Carolina and practices in Rockville Tuesday and Wednesday ; where he enjoys his family, faith and sports; particularly golf.

  • Dr.
    William Cullen

    Dr. William Cullen is a Licensed Chiropractor serving the community.  Dr. Cullen is a Cum Laude graduate of Palmer College of Chiropractic and holds his undergraduate degree from Salisbury University.

    Dr. Cullen grew up in Gaithersburg, MD and attended Gaithersburg High School.  Dr. Cullen has been a patient of Dr. McGriff's since he was 13 years old for both sports injuries and prevention.  After playing baseball at Salisbury University, Dr. Cullen understands the importance of Chiropractic and Physical Therapy to stay strong and to come back even stronger after injury.  

    Dr. Cullen resides in Rockville, Maryland where he enjoys golf, softball, running and spending time with his family and friend's.


Find us on the map

Dr. McGriff works every other TUESDAY only



9:00 am-4:00 pm


8:30 am-6:00 pm


6:00 am-2:00 pm


9:30 am-6:00 pm


7:00 am-2:00 pm