OSWEGO – Oswego Health is proud to welcome Dr. Christopher Massari to the Oswego Health Medical Staff, where he will serve as a Hospitalist and Nocturnist at Oswego Hospital. With more than two decades of clinical experience in internal medicine and hospitalist care, Dr. Massari brings an exceptional depth of knowledge and a strong commitment to patient-centered care that will benefit our entire community.
Originally from the East Coast and most recently practicing in Oregon, Dr. Massari’s professional background spans clinical leadership and bedside care. He has held hospitalist positions with large multi-specialty groups including Saint Charles Medical Center and Bend Memorial Clinic in Oregon, where he provided 100% inpatient care to diverse patient populations. He also served in administrative and teaching roles with PeaceHealth Medical Group and Oregon Health & Science University, where he helped guide clinical quality initiatives, developed IT solutions to support hospital operations, and mentored medical students. Most recently, he served as a Medical Director at UnitedHealth Group, reviewing thousands of inpatient clinical cases for medical necessity and appropriateness of care annually.
Dr. Massari earned his Doctor of Medicine from the University of Vermont College of Medicine, and holds a Bachelor of Science in Cell and Molecular Biology from Tulane University. He completed his Internal Medicine Residency at the University of South Florida, along with an internship at California Pacific Medical Center in San Francisco. He is board-certified in Internal Medicine by both the ABIM and NBPAS, and maintains active licensure and certifications including ACLS and DEA registration.
His arrival reinforces Oswego Health’s commitment to providing around-the-clock care by dedicated, hospital-based physicians. Hospitalists play a critical role in coordinating a patient’s care from admission to discharge, and the addition of a skilled nocturnist like Dr. Massari ensures that patients receive consistent, expert care—even in the overnight hours. This enhances communication with care teams, improves patient outcomes, and provides families with reassurance that their loved ones are in capable hands at all times.
“As a community hospital, our patients are our priority,” said Dr. Sana, Chief Medical Officer at Oswego Health. “Having a physician of Dr. Massari’s caliber join our hospitalist team means our patients will receive highly skilled, experienced care from the moment they walk through our doors. His background in both clinical care and leadership brings added strength to our inpatient services, and we are thrilled to welcome him to our medical staff and our community.”
Oswego Hospital has proudly served the region for more than 144 years as a nonprofit, independent healthcare provider. From its humble beginnings as a six-bed facility, Oswego Hospital has evolved into a 132-bed community hospital, offering a comprehensive range of services that include acute medical, surgical, emergency, maternity, and behavioral health care. Today, Oswego Hospital continues to invest in people, technology, and spaces that support healing—like the newly renovated medical-surgical units on the third and fourth floors. These private, hotel-like rooms are equipped with the latest technology, allowing physicians and staff to provide efficient, modern, and compassionate care in a setting designed with patient comfort in mind.
To learn more about Oswego Health, visit oswegohealth.org.
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About Oswego Health:
The mission of Oswego Health is to provide accessible, quality care and improve the health of residents throughout Oswego County. As a nonprofit healthcare system established in 1881, Oswego Health is proud to be Oswego County’s largest private employer. More than 1,400 employees spread throughout its 18 locations, work for the Oswego Health system, which includes the 132-bed community Oswego Hospital, a 32-bed psychiatric acute-care facility with multiple outpatient behavioral health service locations, The Manor at Seneca Hill, a 120-bed skilled nursing facility, and Springside at Seneca Hill, an independent retirement community. The health system also operates Oswego Health Home Care, the only hospital-based certified home healthcare agency in the County, as well as two outpatient centers, including the Fulton Medical Center, offering urgent care, lab, medical imaging, physical therapy, and occupational health services, and the Central Square Medical Center, offering urgent care, lab, medical imaging, and physical therapy services. In addition, the healthcare system includes Oswego Health Medical Practice, a multi-specialty medical group offering the community accessible, high-quality healthcare. 100+ physicians and advanced practice providers offer an extensive array of services across CNY, including primary care and specialty care in orthopedics, cardiology, ENT, gastroenterology, breast care, general surgery, urology, and bariatrics; for more information about Oswego Health, visit www.oswegohealth.org.
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