6125 Executive Boulevard 
North Bethesda,  MD  20852  

Phone: 301-581-1120
Fax: 301-581-1122

We are providing face to face services for testing, therapy, parent coaching, and diagnostic interviews. We offer the option to use telehealth for psychotherapy, diagnostic interviews, and consultations.  Our teleassessment services are conducted by licensed psychologists following the guidelines of the American Academy of Clinical Neuropsychology and American Psychological Association. Contact us to learn more!


Are you seeking general information or booking a testing appointment?  The best way to book a new testing appointment or ask for information about our practice is to contact our Office Managers, Ms. Marsha Miller and Ms. Lynn Haberlein, who answer the phones and check email during business hours (, After calling the main number (301-581-1120), you may select option 1 to speak with our Office Managers. Please be patient with us as call volume is extremely high!

We make every effort to return calls/emails promptly. If we are on the other line when you call, please do leave us a message. Make sure to include your telephone number every time (even if you think we have it) so we can call you back on your preferred number. After calling the main number, you may select option 1 to speak with our Office Managers. This is the best way to book a new appointment or ask for information about our practice. We attempt to return calls same day and aim for two attempts to reach you within 24 hours.  Note that the return call you see on your phone will not be our main number if a clinician is calling you back from her cell phone. Please make sure that your voicemail is active and has space to accept messages.

Are you booking a psychotherapy appointment?  If you know you wish to book an appointment for psychotherapy, you can contact our Directors of Psychotherapy, Simone Schwager, at , Marvie Corbett at or Dr. Rachel Singer at

You’re also free to use this contact form, if you prefer.

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