Appointments 425.454.5046


Our sleep and pulmonary physicians have both served in a Chief Resident capacity during their residency as well as Medical Director in various roles and have been recognized as a “Top Doctor” by both Seattle Magazine and Seattle Met Magazine.

Scott T. Bonvallet, M.D., F.C.C.P., D.A.B.S.M.

Bonvallet_4345.05.14ACCEPTING NEW PATIENTS: Yes. Dr. Scott T. Bonvallet is the Medical Director of the Overlake Sleep Disorders Center and is board certified in Sleep Medicine, Pulmonary Diseases, Critical Care Medicine, and Internal Medicine. He received his medical degree at the Medical College of Wisconsin, after which he did his residency/chief residency at Oregon Health Sciences University, and lastly, completed his fellowship in Pulmonary Diseases/Critical Care/Sleep Medicine at the University of Colorado Health Sciences Center.

Dr. Bonvallet has been in private practice for 20 years and has been recognized as a “Top Doctor” in his specialty by both Seattle Magazine and SeattleMet .

He lives in Woodinville with his wife and three children. Dr. Bonvallet enjoys all aspects of physical fitness and is a three-time Ironman Canada competitor.



Randip Singh, M.D.

Singh (221).05.14ACCEPTING NEW PATIENTS: Yes. Randip Singh, M.D., joined Overlake Internal Medicine Associates in 2006. Born in Maryland, he received his medical degree from Dayanand Medical College in Punjab, India, and completed his internship in Internal Medicine at Atlantic City Medical Center. Dr. Singh also completed a Neurology Residency and Chief Residency at Georgetown University, Washington DC.

He moved to Washington State in 2005 after completing additional subspecialty training at Beth Israel Deaconess Medical Center, Harvard Medical School, in Clinical Neurophysiology and Sleep Medicine in Boston Massachusetts. Dr. Singh is board certified in Neurology and Sleep Medicine. He is currently a Clinical Instructor in Neurology at the University of Washington.




Dr. Meredith Broderick

ACCEPTING NEW PATIENTS: Yes. Dr. Meredith Broderick attended Ohio State University, graduating Summa Cum Laude in Chemistry and Phi Beta Kappa. She stayed on at OSU for her medical education and then completed an internship in Internal Medicine at Riverside Methodist Hospital. Dr. Broderick completed her Neurology residency at Case Western Reserve University, focusing heavily on stroke and Neuro-critical Care Medicine, and then went on to Stanford Hospitals and Clinics to complete her sub-specialty fellowship training in Sleep Medicine.

She is one of only a small number of physicians with triple board certification in Sleep Medicine, Behavioral Sleep Medicine, and Neurology.

Dr. Broderick’s special interests in Sleep Medicine include: complex sleep disordered breathing, primary hypersomnias, parasomnias, psychophysiological insomnia, and non-pharmacological treatment for insomnia.

Dr. Broderick is originally from Northeastern, Ohio. During her spare time, she enjoys the arts, the outdoors, and traveling. Dr. Broderick is a patron of the Seattle Symphony and the Seattle Opera.