Dr. Jason C. Black - Maximal Health can be found at E. Royal Lane Suite 110 300. The following is offered: Alternative Medicine Retailers, Acupuncture, Massage Therapy, Chiropractic Offices. The entry is present with us since Sep 10, 2010 and was last updated on Feb 2, 2015. In Irving there are 17 other Chiropractic Offices. An overview can be found here.