Board of Health

MEDICAL DIRECTOR – DR. richard goy


Board Member – Christopher Alia, MD

Dr. Alia is a pulmonary & critical care physician at St Luke’s University Health Network.  In addition to his clinical work, he is the Vice President of Medical Affairs and Medical Director of the ICU at the Allentown Campus.  As a Bethlehem resident and physician, he believes in serving on this board to help in the mission to improve and maintain the health of our community.

Board Member – Joseph F. Bacak, MD

Dr. Bacak is a doctor of internal medicine in Bethlehem and has been a member of the Bethlehem   Board of Health for over 20 years.  Dr. Bacak continues to serve as a board member in an effort to better serve our community.

Board Member – Natalie Bieber, DO

Dr. Bieber is a family physician at Lehigh Valley Health Network. She completed her medical school training at Philadelphia College of Osteopathic Medicine in Philadelphia and a residency in general family practice at Lehigh Valley Health Network. 

She was born and raised in Bethlehem, PA and has a passion for the health and wellness of our community. Natalie believes in optimal health and functioning with an emphasis on preventative care. Her professional interests include Integrative Medicine and the use of complementary and alternative modalities within healthcare.

Board Member – Terry Marcincin, DMD

Dr. Marcincin practices general dentistry in Bethlehem.  He has been a board member for over four years and is committed to improving our city through its health.

Board Member – karyn havas