About Our Doctors

Dr. Michael Grassa
Temple University School of Dentistry - 2018

Areas of Expertise

  • Invisalign orthodontic appliances
  • Endodontics
  • CAD/CAM technology

Dr. Michael Grassa is an associate at Commack Hills Dental Group. He graduated from Temple University School of Dentistry in 2018. While there he was an active member of the Stognathic Honor Society and participated in outreach in the Philadelphia area as well as abroad in Jamaica. He then completed a general practice residency at St. Luke’s Hospital in Allentown, Pennsylvania.

Dr. Grassa is trained in Invisalign orthodontic appliances, endodontics, and the use of CAD/CAM technology. Dr. Grassa is also a member of the ADA.

Dr. Grassa was born and raised on Long Island. He graduated from Lindenhurst High School and SUNY Environmental Science and Forestry. In his free time he enjoys hiking, reading, cheering on the Islanders, and spending time with family and friends.

Contact Us

Commack Hills Dental Group
646 Commack Road
Commack, New York 11725

Tel: (631) 499-7280
Fax: (631) 499-8713
E-Mail: info@CommackDental.com


Office Hours

Monday 9am - 7pm
Tuesday 9am - 6pm
Wednesday 8am - 8pm
Thursday 9am - 7pm
Friday 9am - 4pm
Saturday 9am - 2pm (Every Other Saturday)