Request an Appointment

To request an appointment, please fill out the form below or email your information to  If you prefer to make your appointment by phone, please call (682) 593-9355.  Appointments can also be managed through the RXNT patient portal (email us if you haven't joined the portal yet). 

Update: Dr. Marshall has joined McGovern Allergy, and the DFW Allergist clinic will close in July 2021. Please see additional information here.