Welcome Welcome to our practice and thank you for choosing Daniel Castellani, MD.  We will provide you with high quality neurologic care and hope your experience with us will be positive. Address Daniel A. Castellani, MD South Sheridan Meadows Office Park 6245 Sheridan Drive, Suite 216 Williamsville, NY 14221 Phone: (716) 626-2647 Fax: (716) 204-1400 Back to Top Driving Directions Back to Top Office Hours Monday 9:00AM 4:00PM Tuesday 9:00AM 5:00PM Wednesday 9:00AM 4:00PM Thursday 9:00AM 5:00PM Friday 9:00AM 4:00PM Please call for an appointment Back to Top Insurances Accepted Medicare   Blue Cross / Blue Shield   IHA   Univera Back to Top