Helene A. Emsellem, MD, FAASM
            Medical Director

            John R. Ruddy, MD
            Linda C. Croom, ANPC
            Annemarie Zabbara, PA-C
            Tina Sullivan, ACNP-BC







Lisa Adon

Lisa Adon began working as Billing Specialist at The Center for Sleep & Wake Disorders in 2001. Before joining our team she was the Billing Manager at a 10-physician primary care clinic. Lisa is organized, methodical, and extremely experienced in dealing with insurance companies and patients to ensure the efficiency of the billing process. Lisa enjoys spending time with her family and traveling to warm places!




5454 Wisconsin Ave.,
Suite 1725
Chevy Chase, MD 20815

Phone: 301-654-1575
Fax: 301-654-5658