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docs General Information
St. Luke's is the leading provider of primary and specialty care for your entire family in the greater Lehigh Valley and Warren County, New Jersey.
St. Luke's specialty 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.
Our Team
Lisa M. Abosamra, PA-C east
Physician Assistant | Sleep Medicine
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Expertise Sleep Disorders
David A. Cohen, MD east
Neurology | Sleep Medicine
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Expertise Sleep Disorders
Giuseppe Guglielmello, DO east
Critical Care Medicine | Internal Medicine | Pulmonary Disease
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Jill K. Lechner, CRNP east
Nurse Practitioner
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Expertise Sleep Disorders
Joseph A. Ramzy, MD east
Critical Care Medicine | Pulmonary Disease | Sleep Medicine
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Expertise Sleep Disorders
Ravivarma Sagiraju, MD east
Sleep Medicine | Family Medicine
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Matthew Zheng, MD east
Sleep Medicine | Pulmonary Disease | Critical Care Medicine | Internal Medicine
check Accepting new patients
Expertise Sleep Disorders