Patients Find a Surgeon Mr Jonathan Mark GlassQualifications: BSc MBBS FRCS FRCS(Urol)GMC Number: 3312719Clinical Areas of Interest: Endourology and General UrologyRegion: London South Personal StatementI am an endourologist specialising in complex kidney stone disease, including stones in children & adults with disabilities. I am Secretary of the BAUS Section of Endourology. Contact Details HospitalsPrimary HospitalGuy's & Thomas's HospitalGreat Maze RoadLondonSE1 7EHPhone: +44 (0)20 7188 7188Website: www.guysandstthomas.nhs.ukOnlineEmail: jonathan.glass@gstt.nhs.uk Patients Find a SurgeonWhat Is Urology?CancerPaediatricsStone Disease Patient Advisory SectionGlossary"I think I might have..."Blood in the semen (haematospermia) Blood in the urine (haematuria) Erectile dysfunction (impotence) Fertility problems Incontinence of urine Kidney stones Male menopause (androgen deficiency in the ageing male) Premature ejaculation Prostate symptoms (bladder outlet obstruction) Raised PSA Testicle missing Testicular lump Tight foreskin (phimosis) Urinary infection (adult) Surgical Audit Projects"I'm told I need..."Bladder Procedures Fertility & Infertility Procedures Kidney & Adrenal Procedures Miscellaneous Procedures Penis Procedures Prostate Procedures Retroperitoneum Procedures Stone Procedures Testis & Scrotal Procedures Transplantation & Dialysis Procedures Ureter Procedures Urethra Procedures Vaginal Mesh ComplicationsYour Patient Journey Print this page Email to a friend Link to this page Add to My Links Save as PDF Give feedback