New Search 2593 Joseph C. Prohaska DO (423) 318-0014 Languages Spoken: English Primary Office Address: HealthStar Physicians, PC 1907 W Morris Blvd Suite G Morristown, TN 378133866 Phone: (423) 318-0014 Fax: (423) 318-2595 Recommend this Physician Get Directions Certifications AB Dermatology - Dermatology Areas of Interest Dermatology