Our Team

Dr. Jonathan Goulart Northwest EyecareDr. Jonathan Goulart was born and raised in Freeport, Illinois, and is a graduate of Freeport High School. He attended Western Illinois University for his undergraduate training and then went on to the Illinois College of Optometry. He graduated with his Bachelor of Science in Visual Science and Doctor of Optometry degrees in 1984. After graduation, he joined the practice of Dr. Richard Hessenius in Freeport. In 1995, Dr. Goulart merged his practice with Northwest Eyecare. He is a car enthusiast and enjoys scuba diving. He is also an active member of the Benevolent and Protective Order of Elks organization. He currently works at our Freeport and Oregon locations.
Dr. Nikolas Diemer Northwest EyecareDr. Nikolas Diemer was born and raised in Freeport, Illinois, and graduated from Freeport High School in 1995. He received his Bachelor of Arts degree in biology from Augustana College in 1999. In 2004, he earned his Doctor of Optometry degree from the Illinois College of Optometry and joined Northwest Eyecare. He is an avid outdoorsman and enjoys being back in his hometown community to care for patients. He currently sees patients in our Freeport, Lanark and Oregon offices.
eric-coyDr. Eric Coy was born in Ames, Iowa, but was raised in New Lenox, Illinois. He received his Bachelor of Science degree in molecular and cellular biology from the University of Illinois at Urbana-Champaign in 2007. In 2012, he earned his Doctor of Optometry degree from the Illinois College of Optometry. Dr. Coy joined Northwest Eyecare in 2017. He and his wife love living, working and raising their family in this community. Dr. Coy has an affinity for music and enjoys playing the drums. He currently sees patients at our Freeport, Lanark, Oregon and Stockton locations.