Could you submit a review of Dr H Casson - Claremont Holyport Surgery Slough? Please add your Dr H Casson - Claremont Holyport Surgery Slough review and help create a directory of recommended gp practices in Slough. Is Dr H Casson - Claremont Holyport Surgery Slough your business? Claim it now. After claiming a business, you will be able to update the details and add more tags and photos.