UnitedHealthCare of Ohio Inc. UnitedHealthCare of Ohio Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Finance & Insurance >> Insurance & Employee Benefit Funds UnitedHealthCare of Ohio Inc. 5900 Parkwood PlaceDublin, OH 43016 (866) 414-1959 | fax: (614) 410-7119 Visit Site Need to update your categories or expand your listing? Or want to learn how your business can become a part of the Chamber? Contact us at membership@columbus.org for assistance.