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Welcome to Dr. William's Urology page!

About Dr. William Ong

A board-certified urologist and Fellow of the Royal College of Physicians and Surgeons Glasgow (Urology) with years of experience in Malaysian tertiary urology centres, now based in Penang, Malaysia. Expertise in appropriately diagnosing and strategizing treatment plans for the patients with urological diseases
- Special interest in Stone, Endourology & Men's Health.

“Advancing urology with precision technology, delivering safer treatment and faster recovery.”

Dr William Ong Lay Keat - Urologist in Penang

Certification & Qualifications

- M.B.B.S.(Bachelor of Medicine, Bachelor of Surgery) (Manipal)
- Royal College of Surgeon Ireland -MRCS (Ireland)
- Fellowship in Royal College of Physicians and Surgeons (FRCS) Glasgow Urology 
- Malaysian Board of Urology (MBU Certificate)
-Fellowship in Uro-oncology, Adelaide, Australia

Comprehensive care in Urology

Men & Women

Benign prostate conditions - Click to read

Benign prostate enlargement (BPE)
Prostatitis / prostatic abscess

Prostate cancer

Oncology

Kidney cancers
Ureteral cancers 
Bladder cancers 
Prostate cancers 
Testicular cancers

Urinary stones

Kidney stones
Ureteric stones 
Bladder stones 
Urethral stones

Bladder & Functional urology

Overactive bladder
Interstitial cystitis/ CPPS 
Neurogenic bladder / bladder dysfunction 
Urinary tract infection 

Men's Health Disease

Erectile dysfunction | hypogonadism
Premature ejaculation 
Peyronie's disease
Male infertility 
Sexually transmitted Infections (STIs)

Latest News

Dr. William performed the Malaysia’s first Blue Light Laser Prostate Vaporisation in Pantai Hospital Penang, marking a new chapter in the management of benign prostatic enlargement (BPH) ---25.03.2026

Click here to read more
Blue Laser Therapy Surgery - Dr William Ong, Pantai Hospital Penang
Blue Laser Therapy Surgery Group Photo- Dr William Ong, Pantai Hospital Penang

Events

Kedah State Men's health Campaign 2025 @ Hospital Langkawi 

33rd Malaysian Urological Conference (MUC2024) @ Setia SPICE, Penang

Chinese New Year Greetings 2026

Happy Chinese New Year 2026- Dr. William Ong Lay Keat

GP talk Erectile dysfunction  & BPH   @ Courtyard Marriot Penang

CME GP Dinner talk on Erectile dysfunction & BPH, Courtyard by Marriot Penang
Dr William Ong Lay Keat - Urologist in Penang

Consultant Urologist 
Head of Unit Urology
Board member of Urology Malaysia
Malaysian Urological Association MUA Executive Member 
Life- member of Malaysian Medical Association 

Location 

Pantai Hospital Penang 
G22, Ground Floor, 82, Jalan Tengah, Bayan Baru, 11900 Bayan Lepas, Penang, Malaysia
+604-6396350 / +604-6433888 Ext. 350


Hospital Sultanah Bahiyah
Km 6, Jln Langgar, Bandar, 05460 Alor Setar, Kedah

Operating Hours

Friday : 0830 till 1700

Saturday : 0830 till 1300

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