Contact Us Please call us at 301-595-9041 or text us at 240-391-3259 or email us at drnicholsonsoffice@gmail.com if you would like to schedule, reschedule, or cancel an appointment. Feel free to follow us on Facebook! Announcement- Dr. Catherine Madsen's Retirement Record Release Need to send us records from another doctor's office? Please fill out this Record Release form. Provide a Review