Joseph Cesanek, M.D. 

Donna Mason, CRNP

St. Luke's is the leading provider of primary (family medicine and internal medicine) and specialty care for your entire family in the greater Lehigh Valley and Warren County, New Jersey. St. Luke's primary care providers play an important role in your family's health and well-being and are committed to providing you with quality and compassionate care. New patients are welcome.

After-Hours Calls and Emergencies:
If you have a health concern that arises at night or over the weekend, please call our office's main number. The answering service will contact the physician on-call. If you believe any delay in medical attention could result in a life-threatening situation, please go immediately to the nearest emergency room for treatment and notify our office as soon as you are able. For life-threatening emergencies, please use 911.