Donald Zimmer D.D.S

Dr. Zimmer has practiced dentistry in the Englewood area for over 25 years. He is a graduate of Marquette University and has acquired advanced training in various aspects of dentistry including Restorative procedures, Implants and Invisalign©

Outside the office Dr. Zimmer and his wife Ann enjoy their three adult children and grandchildren. Golf, fishing and skiing are among the many outdoor activities he enjoys.

Dr. Zimmer's office is located at 601. E. Hampden Ave. Suite 300, Englewood, CO  80113. The office is located just east of  Swedish Medical Center. 








Marcia has worked in many aspects of the dental field. She and Therese share the front desk duties and she fills in the back office as well.


Chairside Assistant

Kathy is Dr. Zimmer's chairside assistant. Kathy has had a long career as a dental assistant. She loves working with patients and enjoys the variety of procedures involved with dental work.

Mary Ann

Dental Hygienist

Mary Ann has a Bachelor of Science degree in Dental Hygiene from CU.  She has been practicing for over 25 years.  She likes to read, bicylce and yoga.  She enjoys all kinds of needlework.  She also has a very busy homelife with her husband and 4 children.  She is a Denver native.



Therese has been a long time member of our team. She files Insurance claims, schedules daily appointments and handles phone communication.


Dental Hygienist

Cynthia has been a member of our team for many years.  She works part time for us.  She claims to be a "Sooner" fan. When she is not working, she is busy with her family or training for a half-ironman competition.