Meet Our Team


Dr. James Kirk

This is our periodontal team. Dr. Kirk is a board certified periodontist and has been with us for 25 years. Dr. Kirk is passionate about making sure all of our patients have the healthiest gums and jawbone possible. He works diligently to help patients get their periodontal disease under control. Dr. Kirk also places implants and works together with the general dentists to restore chewing function and bright smiles.


Dr. Alexander Williams

Dr. Williams is our veteran dental provider with over 40 years of experience 30 of which are here at Associated Dentists. Dr. Williams has practiced every facet of dentistry from military to private offices. Dr. Williams main focus is general dentistry and taking care of the patients over all dental health. Dr. Williams is adored amongst our patients and always goes above and beyond for them.

Dr. Thomas Nichols

Dr. Thomas Nichols is an associate at Associated Dentists of Northwest Indiana. Dr. Nichols obtained his Bachelor of Arts from the University of Wisconsin, La Crosse where he majored in Biomedical Sciences and minored in Chemistry. He received his Doctor of Medicine in Dentistry from Midwestern University, Illinois, and is a member of the American Dental Association, Illinois Dental Association, Chicago Dental Society, and Indiana Dental Association. Dr. Nichols grew up in Central Wisconsin, and was raised on small-town values. He enjoys hiking, fishing, hunting, the great outdoors, and genuinely getting to know people. Dr. Nichols is experienced in restorative, endodontic and cosmetic dentistry as well as restoring implants. He prides himself with the constant pursuit of knowledge and dedication to his patients. He has a particular interest in cosmetic and implant dentistry.



Cheryl is our veteran hygienist with more than 22 years experience all of them spent here at Associated Dentists. Cheryl has a true passion for her job which is evident when you see her for your cleaning. Her enthusiasm and professional demeanor make appointments with her seem more like a visit with a friend with the added bonus of shinning teeth! Cheryl also works from both our Merrillville and Munster locations. Her experience, knowledge and devotion to her career in the dental field are unsurpassed and she is revered by our patients.



Krystal has been a hygienist at Associated Dentists for 9 years. Krystal sees patients in both our Merrillville and Munster locations and makes herself available 5 days a week. Krystal graduated from Indiana University and has been with us since that time. Krystal has a special way of calming our youngest patients. She is so great with children! If you’ve had trouble with your child not wanting to have their teeth cleaned – you need to see Krystal! She will have their teeth and their young spirits sparkling by the end of the visit!



Stephanie has been a Hygienist at Associated Dentists for 7 years. She graduated from Indiana University in 2007. She is available Monday thru Thursday from 8am to 6pm in our Merrillville location. Stephanie has an outstanding rapport with our patients. Patients often ask for her specifically because of her delivery of thorough cleanings, detailed instruction in great home care and her overall high energy personality. Stephanie’s book stays consistently full so don’t put off calling to schedule with her. Ring us TODAY for an appointment with Stephanie!



Shannon has been a dental assistant for four years. Shannon works from both our Merrillville and Munster locations. Patients love Shannon because of her eagerness to accommodate their every need. If your nervous or scared of dental treatment, ask for Shannon and she will put you at ease and make the treatment a breeze for you!



Meet Valeria. Our patients know her as V and she has been with us for 10 years.V is an expanded functions dental assistant. Patients at Associated Dentists ask for V specifically because of her ability to calm their dental-related nerves and make them feel like a part of our family. V can assist you in everything from making your appointment to restoring your teeth and holding your hand thru treatment appointments. Call Valeria and schedule your appointment with her today.



Mendee has 5 years of dental administration/ insurance experience. Mendee is the Treatment Coordinator at Associated Dentists and handles all of our insurance filing and patient financing. Mendee’s motto is that no patient should go without dental care for a lack of finances. She will do whatever it takes to fit the investment for the treatment into your budget! Call Mendee at 219.769.6444 today and allow her to assist you in getting your dental care completed!