Doctors & Staff
Meet the experienced and friendly doctors and staff who make Gaylord Eye Care Center the leading provider of vision care products and services in Gaylord.
Ronald Mead, O.D.
Undergraduate: Central Michigan University, Ferris State University
Doctor of Optometry: Ferris State College of Optometry
Married to Lori, childen: Jason, Kristin, Cameron and Trevor.
Dr. Mead’s professional associations include the Michigan Optometric Association and the American Optometric Association. He serves as a Vision Source Adminstrator for Northern Michigan and the Upper Peninsula. Hobbies include: Golf, computer.
Peter Oppermann, O.D.
Grayling High School graduate with honors.
Bachelors of Vision Science: 1995 Ferris State University with honors.
Doctorate 1998 Michigan College of Optometry with honors.
Dr. Oppermann specializes in the eye health examination of patients of all ages, including the management of complicated eye disease as well as recommendation of all forms of eye wear.
He married and the father of two children, enjoys downhill skiing, hunting, boating, fishing and various other outdoor activities.
Dr. Oppermann is an active member of the Rotary Club of Gaylord, the Michigan Optometric Association and the American Optometric Association. He also serves as an Administrator for Vision Source of Northern Michigan and the Upper Peninsula.
Nathan R. Slezak, O.D.
Bachelor of Science , 2006 Central Michigan University.
Doctorate of Optometry 2010 with Highest Distinction, Michigan College of Optometry
Dr. Slezak specializes in eye health examinations for patients of all ages including pediatrics, macular degeneration, glaucoma, and corneal disease. He currently fits most of our specialty contact lenses.
Dr. Slezak enjoys coaching athletics, hunting, fishing, and spending time with his wife and 3 kids.
Lindsey Wynkoop, O.D.
Lindsey Wynkoop, O.D. received her bachelor’s degree in Vision Science from Ferris State University and her doctorate at the Michigan College of Optometry.
She moved to the Fiji Islands in 2012 to pursue a position in educating and training general doctors and nurses from all over the Pacific Island at the Pacific Eye Institute.
Dr. Wynkoop provides comprehensive eye care services including: primary ocular health assessment, glaucoma management, ocular surface disease, pre/post-operative surgical care, and specialty contact lens fitting.
Dr. Wynkoop returned to Michigan in 2017 to join our practice
Robert Slezak, O.D.
Bachelor of Science in Education, 1975 Central Michigan University.
Graduate work in Biology 1976-1980.
Doctorate 1985 (FSU) Michigan College of Optometry – Valedictorian of his graduating class.
Dr. Slezak specializes in eye health examinations for patients of all ages, including complicated eye diseases. He also recommends all forms of eye wear.
He is married to Mary, has two sons, Ryan and Nathan and a growing number of grandchildren. He is an avid fly fisherman and golfer. He taught high school for 6 years before becoming an optometrist.
Dr. Slezak is a member of the Kiwanis Club of Gaylord. His professional associations include the Michigan Optometric Association and the American Optometric Association. He serves as an Administrator for Vision Source of Northern Michigan and the Upper Peninsula.
Kami Knopp, CPOA
Office Manager for Gaylord Eye Care Center
Kami began working for Bellaire Eye Center / Gaylord Eye Care Center / Eyes on Main in 1991. She is a Certified Paraoptometric Assistant and the Office Manager for Gaylord Eye Care Center.
Kami is a “Jill” of all trades, assisting where needed.
Kami has extensive training on all levels of preliminary testing, including slit lamp evaluation of contact lenses, topography, optical coherence tomography (OCT), visual evoked potential (VEP) and retinal photography. She also does intra-ocular pressures, corneal measurements, visual fields and visual acuities.
She is married with three children. She enjoys reading and bowling.
Tammy Warren, CPO
Tammy began working for Gaylord Eye Care Center in 1999. Her duties include the our phone and call center, front desk and reception area, as well as technician. She greets patients as they arrive, assists in preparing records, answering the telephone and checking insurances. She also schedules appointments and handles referral scheduling. Tammy’s duties also include monthly statements and account receivables.
Tammy is married with two children and grandchildren. She enjoys spending time with family and friends, bowling, knitting and cross-stitch. Tammy is also our resident baker. She is responsible for most of our birthday treats.
Teresa Abbott, ABOC
Teresa has worked for Gaylord Eye Care Center since 1993. She became a board certified optician in 2000. Teresa works in helping our patients to select their personal eyewear and instructs new contact lens wears on how to insert and remove their contact lenses, as well as how to properly care for them.
Teresa’s other duties include dispensing glasses, adjusting and repairing eyewear.
When not working Teresa enjoys spending time with her husband Chris, large family and traveling. She is Nana to many beautiful grandchildren!
Sandy Mammoser, ABOC
Sandy has worked at Gaylord Eye Care Center since 2007. She has been an American Board of Opticians Certified Optician since 1996. Her duties include assisting in frame selections, adjustments of eyewear, repairs and ordering of all frames, lenses and contacts. She also dispenses glasses, lenses and contact lenses. Prior to moving to Gaylord she worked as an Optician at an optometric office in the state of Virginia.
Sandy is married to Tom and together they have one daughter. She enjoys gardening and singing.
John has worked for Gaylord Eye Care Center since 1995 as our surfacing lab manager, but has many more years of experience in surfacing and edging lenses. Because of this, John has a vast knowledge of lenses and optics. He handles the process of surfacing the power of lenses, as well as edging and repairs. John has been known to take a “beyond repair” frame and make it wearable until the new frame and lenses are ready for a patient.
John is married with two daughters. He enjoys playing basketball, golfing and hunting.
Marj Webster, CPO
While Marj joined the Gaylord Eye Care Center staff in 2011, she comes to us with 40+ years of experience in ophthalmology/optometry. Marj is an optician and has a background in ophthalmic assisting. Her responsibilities can range from assisting in the eyewear selection, contact lens training for the new wearer, as well as ordering and dispensing eyewear. Most days, however Marj is on the phone managing our ever hectic schedule.
After 25 year of residing in Florida, Marj relocated to northern Michigan and is active in remodeling, including woodworking. She enjoys being out-of-doors. We do try to keep her off the roof as much as possible!
Cassie Taylor, ABOC
Cassie joined our team from the office of Dr. Peter Fedor. She is working as an optician, but also has the training to do special testing. Cassie completed training at Ferris State University for Opticians. Cassie has an amazing passion for learning and always willing to do more! Her smile and cheerful attitude make working with her a bonus.
Cassie is a graduate of GHS and the University of Phoenix. She and her husband have two children, Thomas and Madelyn.
Emilee joined Gaylord Eye Care in August of 2018 and is currently working as an Optician, she also specializes in patient care prior to seeing the doctor, special testing, and occasionally works up front. Emilee was born and raised in Gaylord, Michigan, Emilee graduated from Gaylord High school in 2015 and is currently enrolled in North Central Michigan College where she will graduate with her Medical Assistant Certificate in the spring of 2021. Emilee is married to her high school sweetheart, and they enjoy kayaking, ice fishing, camping, and spending time with their two dogs, Hemi and Ruger.
Katy started at Gaylord Eye Care in August 2019 as an optometric technician. She thoroughly enjoys learning everything she can about optometry and eventually would like to become a certified paraoptometric assistant. She graduated from Gaylord High School with honors in 2014 and currently lives in Vanderbilt, MI. Katy loves to read, spend time with her family, her fiance, and their two dogs in her spare time.
Alicia joined Gaylord Eye Care Center in the spring of 2019, and is currently working as an optometric technician and loves it. In the months to come she hopes to become CPO certified. Alicia works not only our Gaylord location but at our Bellaire location as well. Alicia grew up in Gaylord, MI, and graduated from Gaylord High School in 2013. After high school, she moved to East Lansing where she graduated from Douglas J Aveda Institute in 2014 with her cosmetology license. Currently, Alicia lives in Bellaire MI. Her two little brothers and dog, Harper, keep her busy. In her spare time, she enjoys camping, painting, traveling, music, reading, and spending time with her family and friends.
Theresa began her career with Gaylord Eye Care Center in 2013 where she multi-tasked many positions at our front desk while sporting the title of “Director of first impression”. Theresa left our office for a short period to do some traveling, sightseeing and quality bonding time with her two out of state grandchildren.
She recently returned to Gaylord Eye Care Center under a new title as Manager. She is very excited to be part of an amazing team. while working beside each employee. Theresa cheers them on encouraging them to excel to the best of their ability.
Theresa was born and raised in Mt. Pleasant MI. After graduating from High School, Theresa married her husband of 34 years, Steve. Due to her husband being in the military they traveled to many different places before settling in Gaylord, MI where they raised their two children Sara Lyn and Zachariah. She enjoys spending time with two Grandbabies, reading and gardening.
Katie joined Gaylord Eye Care in the Fall of 2019, where she works as a receptionist. Katie was born and raised in Gaylord MI. She graduated from Gaylord High School in 2012. Katie loves working with people, and she always knew that helping people was her calling. She hopes to further her education and become a Certified Paraoptometric Technician. Katie currently lives in Gaylord with her four-year-old daughter Anahlynn. She enjoys spending time with friends and family, going to the beach, riding dirt bikes, and anything that’s outdoors.
Bailey started at Gaylord Eye Care Center as an optometric technician in July 2020 upon moving back to Gaylord from Midland. She graduated from Gaylord High School in 2015 and got a degree in cardiac sonography in 2018 from Kirtland Community College. Bailey enjoys camping, kayaking, and spending time with her dog Delilah. She is a great addition to our team and we are happy to have her here!