Virtual visits now available. You may be able to schedule a virtual visit with your provider. For more information, call your doctor’s office.
Covenant Health is an innovative, Catholic regional delivery network and a leader in values based, not-for-profit health and elder care. We sponsor hospitals, nursing homes, assisted living residences and other health and elder care organizations throughout New England.

Sleep Lab Team

Meet the Providers of the St. Mary's Sleep Lab

Dr. Thad ShattuckThad Shattuck, MD

Specializing in sleep disorders of children and adults.
Thad Shattuck, MD - Provider Profile



Dr. Richard Kahn

Richard Kahn, MD

Specializing in pulmonary medicine and critical care.
Richard Kahn, MD - Provider Profile



Lauren Blais, FNP

Specializing in sleep disorders.
Lauren Blais, FNP - Provider Profile




Meet the Staff of the St. Mary's Sleep Lab

Day Staff

Tammy Judd

Physician Office Coordinator
Phone: 207-777-8959




Erica Springer

Certified Clinical Medical Assistant




Terry Lebrun

Manager, Physician Network
Phone: 207-777-4385





Night Staff

Olga Shambunya

Registered Polysomnographer




Kendra Hughes, RT

Sleep Technician




Don Libby

Lead Polysomnographer




David Pitzer

Registered Polysomnographer 




Brandi Givens

Registered Polysomnographer 

St. Mary's Health System • 93 Campus Avenue • Lewiston, ME 04240