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Meet the Team

Meet Our Team

Personalized Care
46 Years of Experience
Independent Practice

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J. Harry Pickle, IV M.D.

J. Harry Pickle

IV M.D.
Graduated from Hahnemann University in Philadelphia and completed his internship as well as his residency at Hahnemann Affiliated Hospitals. He is a Diplomat at the American Board of Internal Medicine and Gastroenterology. He has been in private practice since 1990. Dr. Pickle is married and has one son. His interests include golf, numismatics, and travel.

Sean Lacey

M.D.
Graduated from the Pennsylvania State College of Medicine in Hershey and completed his internship and residency in internal medicine as well as his fellowship in gastroenterology at Case Western Reserve in Cleveland. He is board certified in gastroenterology. He enjoys practicing gastroenterology, with an emphasis on colon cancer prevention, acid reflux, Barrett’s esophagus and liver disease. He is married to Dr. Stacy Lacey, a pediatrician. They have four children. His “after hours” interests include spending time with his family, sports, and travel.
Sean Lacey M.D.

Marcella Zamborsky

PA-C
Graduated with a Bachelor's Degree in Biology from Moravian College in Bethlehem and completed a Master's Degree in Physician Assistant Studies from DeSales University in Center Valley. She is a board certified Physician Assistant, who has been specializing in gastroenterology since 2007. She is a member of the American Gastroenterological Association, as well as the American Academy of Physician Assistants and Pennsylvania Society of Physician Assistants. Her interests outside gastroenterology include fitness, travel and spending time with her family.
Marcella Zamborsky, PA-C

Tama Senick

PA-C


Sarah Ferreira, CRNP

Sarah Ferreira

CRNP
Graduated from Wilkes University with a Bachelors Degree in Nursing. Completed a Masters degree in Nursing/Nurse Practitioner studies from DeSales University. Member of the American Association of Nurse Practitioners. Board certified in Family Practice. Sarah is married and has two children and three grandchildren. Her interests include recreational cycling, reading and enjoying her growing family.

Diane Ward

CRNP


Colleen Gilhool

CRNP
Colleen graduated from Misericordia University with a Bachelors Degree in Nursing. She worked as a nurse at Lehigh Valley Hospital for 12 years then obtained her Masters degree in Nursing/Nurse Practitioner from DeSales University. She is a Board certified Family Nurse Practitioner. She is a member of the American Association of Nurse Practitioners as well as the American Academy of Nurse Practitioners. Her interests include traveling, hiking, sports, and spending time with her family.
Colleen Gilhool, CRNP
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