Optimum Therapies of North Dakota Share: Physical Therapy & Fitness Center Optimum Therapies of North Dakota Visit Website 4204 Boulder Ridge Rd. Suite #100 Bismarck, ND 58503 (701) 751-3064 (701) 751-2265 (fax) Facebook About Map About We are an independent private practice. Direct access provider-no referral needed. Devoted to help people & employers restore & improve movement. Focus in health & wellness with PT & medical massage. What's Nearby? Distance: 5 10 15 20 25 50 mi.