Dr. Glen Marsack and Staff

All professionals at Crescent Lake Dental-Glen J Marsack maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

Dr. Marsack, DDS

Dentist in Waterford, MI

Dentist Waterford MI - Dr. Marsack DDS

Dr. Marsack, DDS completed his pre-doctoral studies at the University of Detroit Mercy . He then went on to receive his doctorate in dentistry from U of D Mercy in 1980. He worked for the American Denture Center, Hazel Park Family Dental and Dr. Weiner's office in Warren, Michigan. He then decided that he wanted to create a dental practice that catered to families. He has been serving the Waterford area for over 30 years! Experience, genuine concern for each patient and continuing dental education is why Dr. Marsack is one of the finest dentists in the Waterford area!

Dr. Marsack enjoys spending time with his family and friends! His passion for dentistry is why he has two daughters that are also dentists in the Detroit area!

Dr. Marsack is assisted by dental assistants that are certified in xray technology. His dental hygienists are well trained and certified in nitrous oxide sedation and anesthesiology. The gentle and caring touch of the professionals are second to none!

Dentist Waterford MI - Dental Staff

mary ann - office manager - dentist waterford mi

Mary Ann

Office Manager

Mary Ann is the warm friendly face you first see when entering Crescent Lake Dental. She has been working with Dr. Marsack for over 30 years! MaryAnn has the experience and knowledge to answer all your insurance questions. She can also help you with financing your dental treatment with our financing options.

MaryAnn has enjoyed watching our dental families grow over her many years with Crescent Lake Dental. In her spare time she enjoys spending time with her husband and three adult children. She also enjoys competitive ballroom dancing with her husband and has won at various competitions!

melissa - registered dental hygienist - waterford dentist

Registered Dental Hygienist

Melissa earned her hygiene degree in 2006 from Oakland Community College. She has worked in the dental industry since 1998 when she worked as a sterilization coordinator and later as a dental assistant. She has taken numerous continuing education courses. Her most recent courses include topics such as Periodontal Diseases and Antibiotic Therapy, Sleep Apnea, Systemic Immune Disorders, Anxiety and Pain Management.

Melissa is licensed to administer nitrous oxide, anesthesia and CPR certified

nancy - dental assistant

Dental Assistant

Nancy is Dr. Marsack's extra pair of hands. She does many different jobs around the office from front desk to assisting when she is needed. She is there to make sure that everything runs smoothly. She is certified by the Michigan Dental Association in Radiology.

Nancy enjoys spending time with her family and friends. When she's not in the office, she is gardening, reading or spending time with her 2 grandchildren!

Our Location

Office Hours


08:30 AM - 05:00 PM


09:00 AM - 07:00 PM


09:00 AM - 07:00 PM




09:00 AM - 05:00 PM


08:30 AM - 03:00 PM (2 Saturdays per Month)