Dr. Glen Marsack and Staff

Dr. Marsack, DDS dentist in waterford, MI

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


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!   


dental staff

mary ann - office manager 

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

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




shelby- registered dental hygienist

Registered Dental Hygienist


Shelby earned her Associates of Applied Science in Dental Hygiene from Missouri College in 2014.  She is certified in nitrous oxide sedation, anesthesia, CPR and laser treatment periodontal disease.Shelby prides herself in getting to know all her patients.  She enjoys the opportunity to educate each patient with the best options for home dental care.

A native of Southern Illinois, Shelby enjoys fishing on our Michigan lakes and spending time with her family.



Mala - Dental assistant

Dental Assistant

Mala is the newest member of our dental team.  She graduated from Ross Medical Education Center in 2015 with certification as a dental assistant.  Mala received her Radiology certification from the Michigan Dental Association and is also certified in CPR.

Mala was born and raised in southern California and comes from a family of 10 children.  Growing up in a large family environment has helped her develop many people skills.  She enjoys providing knowledge to patients about dental care and treatment and especially loves working with disabled and elderly patients.  

In her spare time, she enjoys shopping, traveling and sightseeing!



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!