Marcy A. Haas, MD

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Marcy A. Haas, MD
Employed by Penn State Health
Family Medicine

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About Me

Marcy Haas, MD, is board-certified family medicine provider who sees patients at Penn State Health Medical Group – Muhlenberg. 

Dr. Haas is excited to return to her native Pennsylvania after spending the past 18 years practicing on the West Coast. Born in Oley, Pa., Dr. Haas received her undergraduate degree from Albright College, Reading, and her medical degree from Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia. She loves family medicine and offers expertise in women’s health. She is a member of the American Academy of Family Physicians and the American Medical Association.


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Professional Education


Medical School, Jefferson Medical College of Thomas Jefferson University - 2002


Residency, Family Medicine Mercy Medical Center - 2006


Internship, OB/GYN Geisinger Medical Center (Pennsylvania) - 2004