Contact Orthopedic Specialists of Northwest Indiana Practice Locations 730 45th Ave. Munster, IN 46321 10200 Wicker Ave. Suite 1 St. John, IN 46373 Phone (219) 924-3300 Hours Monday - Thursday 7am - 7pm Friday 7am - 3pm Too busy to call? Fill in our contact form! Contact Us Name* First Last Email* PhoneQuestions / Comments*