According to Official Guinness Records,
A patient of Dr Bayard Olle Fischer Santos (Brazil) has had his penis enhanced by 16 cm (6.29 in) through surgery and physiotherapy. The first treatment was administered on 20 February 1995 and the patient's full distension of 27 cm (10.62 in) was achieved by 28 March 2000.
For a complete list of 1995 records, please visit 1995 Guinness Records in Brazil.