Our Doctors

A proud hometown Pittsburgher, experienced professional and founder of Three Rivers Dental Group, Dr. Lawrence Rudolph understands that going to the dentist makes some people anxious and does everything he can to create positive experiences for his patients.

Dr. Ana Rudolph

A graduate of Washington and Jefferson College, Dr. Rudolph received her Doctor of Dental Medicine from A.T. Still University. She is known for her ability to give pain free local anesthesia and excellent nerve treatments. She enjoys spending time with family, her two dogs, traveling, running and hiking.

Dr. Erin Knizner

A graduate of Washington & Jefferson College, Dr. Erin Knizner received her Doctor of Dental Surgery from The Ohio State University. Originally from Bentleyville, PA, she currently resides in Speers, PA with her husband and two sons, Matthew and Benjamin. In her spare time, Dr. Erin enjoys spending time outdoors with her family. Dr. Erin is passionate about providing a relaxing dental experience to help her patients achieve a healthy, beautiful smile.

Dr. Louis Keith Fammartino

Dr. Fammartino received both his B.S. and Doctor of Dental Medicine from the University of Pittsburgh. He served in the U.S. Air Force as a Captain and holds diplomat status with both the International Congress of Oral Implantology and American Society of Osseointegration. Practicing since 1974, Dr. Fammartino has extensive knowledge of implant dentistry, IV sedation and numerous full-mouth rehabilitation utilizing implants, crowns, bridges and removable prosthetics. He is passionate about helping patients regain their dental health in an comfortable and compassionate environment.

Dr. Deron Kovac

Dr. Deron Kovac graduated from the University of Delaware and received his Doctor of Dental Medicine Degree from Temple University in Philadelphia, PA.  He has been in private practice for over 20 years now, and has recently moved back to his roots in Pittsburgh.  As an instructor in college, Dr. Kovac learned how to teach and communicate with his students.  This has allowed him to prioritize his aspiration for patient-centered care.  Dr. Kovac has extensive training in Implant and Cosmetic dentistry, and through his years of experience and acquiring such a caring manner, he has developed Unique Dental Techniques that allow for more patient comfort and less time in the chair.  In his free time he enjoys all outdoor activities: sports, traveling, playing golf and guitar.  He has three sons, Chris, Jamie and Kyle.