Omar Maria DC is located at 100 Pierre Rd, Walnut, CA. This location is in the Walnut Valley neighborhood. This business specializes in Chiropractic Offices. Omar Maria DC is open Mon, Closed ; Tue, 9am-6:05pm ; Wed, 9am-6:05pm ; Thu, 9am-6:05pm ; Fri, 9am-12pm ; Sat, Closed ; Sun, Closed. and accepts Cash, Mastercard and Visa.