Contact Us
Physical Office Addresses
Greater Houston (Primary & Mailing)
1225 N Loop West, Suite 935
Houston, TX 77008
Phone (281) 903-5897
Fax (281) 984-0739
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South Austin
4022 Menchaca
Austin, TX 78704
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California - Virtual Office
(coming soon)​
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*Please direct all business-related mail to our Houston office
Phone & Fax Numbers
Gregory Scott Brown, MD
Phone & Fax (Primary Office)
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Hannah Green, PMHNP (Direct)
Phone (512) 957-6085 | Fax (512) 254-3334
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Shannon Matsuno, PMHNP (Direct)
Phone (512) 559-1984 | Fax (512) 631-6094
E-Mail Addresses
Appointment Requests
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Media/Speaking Requests
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Billing Questions
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Career Inquiries
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*Due to privacy concerns, we cannot discuss protected health information by email. If you are a new patient, click the link under "Appointment Requests." If you are an existing patient, please message us at the "portal" tab in the menu at the top of this page.