McLean SouthEast Adult Psychiatric Inpatient Program

Compassionate short-term care serving southeastern Massachusetts

We Are Here to Help

Located in Middleborough, Massachusetts, the McLean SouthEast Adult Psychiatric Inpatient Program provides comprehensive diagnosis and treatment for adults living with a variety of conditions, including depression, anxiety, and bipolar disorder.

Find the care that’s right for you or your loved one. Call us today at 617.855.3141.

Program Leadership

Mark Longsjo, LICSWMark Longsjo, LICSW, Program Director

Mr. Longsjo oversees the adult inpatient and partial hospital programs at McLean SouthEast (MSE). He joined McLean Hospital in 1999 when MSE was established and has led the program’s growth over the years to serve more patients with enhanced services over a wider geographic area. He is a recipient of McLean’s Vision of Excellence Award and the Partners in Excellence Award and has been a member of the President’s Cabinet, the hospital’s leadership group.


Jeffrey D. Rediger, MD, MDivJeffrey D. Rediger, MD, MDiv, Medical Director

Dr. Rediger has served as medical director for MSE since 2004. He is also an instructor in psychiatry at Harvard Medical School. He has a Master of Divinity degree from Princeton Theological Seminary and publishes in the fields of medicine, psychiatry, and spirituality. His work has been featured on the Oprah and Dr. Oz television shows, among others.


Darlyn M. Scott, MSN, RN-BCDarlyn M. Scott, MSN, RN-BC, Nurse Director

Ms. Scott has been the nurse director of MSE’s Adult Psychiatric Program since 2011, overseeing a comprehensive inpatient nursing department. She previously worked for the Massachusetts Department of Mental Health in supervisory roles, including nurse manager at Lemuel Shattuck Hospital and nurse manager in the geriatric psychiatric unit at MetroWest Medical Center.


Duncan C. MacCourt, JD, MDDuncan C. MacCourt, JD, MD, Associate Medical Director

Dr. MacCourt currently serves as the attending psychiatrist for the adult partial hospital program at MSE and is an instructor in psychiatry at Harvard Medical School. Fellowship trained in cancer psychiatry, he publishes in the fields of medicine, psychiatry, and law. He teaches in the Harvard South Shore residency program and at Harvard Law School, where he is a lecturer.


Lisa Llanas Hagberg, MDLisa Llanas Hagberg, MD, Assistant Medical Director

Dr. Llanas Hagberg graduated from the University of Wisconsin School of Medicine and the Adult Psychiatry Residency Training Program at The Cambridge Hospital. Her specific clinical interests are in the areas of mood disorders and post-traumatic stress disorder.


Simona Sava, MD, PhD

Simona Sava, MD, PhD, Assistant Medical Director

Dr. Sava is a board-certified psychiatrist specializing in the treatment of adult mood, anxiety, and psychotic disorders. Her clinical interests include the neurobiology of mental illness, medication management, quality improvement, cross-cultural psychiatry, collaborative care, and medical education. In her clinical practice, she uses a multifaceted approach that integrates biological, psychological, social, and cultural aspects to provide comprehensive, patient-centered care.