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Dr. Gregory Mclennan, MD
Urology
- Name
- Dr. Gregory Mclennan, MD
- Specialty
- Urology
- Location
- Saint Louis, MO
- Rating
- 4.5 / 5 (22 Google reviews)
Data source: NPPES NPI Registry · Google synced 5/9/2026
About Dr. Mclennan
Dr. Gregory McLennan, MD, is a board-certified urologist practicing in Saint Louis, Missouri. He brings clinical expertise to the diagnosis and treatment of a broad range of urological conditions affecting both men and women. His practice addresses everything from kidney stones and urinary tract disorders to prostate conditions and bladder disease. Patients in the Saint Louis area rely on his experience for both routine urological care and more complex surgical interventions.
Patients see Dr. Gregory Mclennan for a range of urological concerns. Common conditions include Kidney Stones, Benign Prostatic Hyperplasia (BPH), Urinary Tract Infections, Bladder Cancer, Prostate Cancer, Urinary Incontinence, Hematuria, Erectile Dysfunction, Overactive Bladder, Testicular Conditions, Ureteral Obstruction, and Urethral Stricture. Many arrive after an initial workup from their primary care doctor, though self-referrals are also welcome.
Services at this practice include Cystoscopy, Transurethral Resection of the Prostate (TURP), Ureteroscopy, Shock Wave Lithotripsy, Prostate Biopsy, Bladder Biopsy, Vasectomy, Robotic-Assisted Surgery, Ureteral Stent Placement, and Percutaneous Nephrolithotomy. Dr. Gregory Mclennan reviews all available options with patients before any procedure is scheduled. The aim is to ensure each person understands their diagnosis and the reasoning behind recommended treatment.
Urology Services in Saint Louis, MO
For patients in Saint Louis, MO seeking urological care, a consultation with Dr. Gregory Mclennan is the starting point. The practice serves patients from across the Saint Louis area. Office contact details are listed on this page.
Specialty Overview
Dr. McLennan specializes in the full spectrum of urological care, including the management of kidney stones, prostate disease, and urinary dysfunction. He performs both diagnostic and surgical procedures to address conditions affecting the kidneys, bladder, and male reproductive system. His clinical focus encompasses minimally invasive techniques alongside traditional surgical approaches.
Conditions Treated
- ✓ Kidney Stones
- ✓ Benign Prostatic Hyperplasia (BPH)
- ✓ Urinary Tract Infections
- ✓ Bladder Cancer
- ✓ Prostate Cancer
- ✓ Urinary Incontinence
- ✓ Hematuria
- ✓ Erectile Dysfunction
- ✓ Overactive Bladder
- ✓ Testicular Conditions
- ✓ Ureteral Obstruction
- ✓ Urethral Stricture
Procedures
- ✓ Cystoscopy
- ✓ Transurethral Resection of the Prostate (TURP)
- ✓ Ureteroscopy
- ✓ Shock Wave Lithotripsy
- ✓ Prostate Biopsy
- ✓ Bladder Biopsy
- ✓ Vasectomy
- ✓ Robotic-Assisted Surgery
- ✓ Ureteral Stent Placement
- ✓ Percutaneous Nephrolithotomy
Frequently Asked Questions
What conditions does Dr. McLennan treat?
Dr. McLennan treats a wide range of urological conditions including kidney stones, benign prostatic hyperplasia, bladder infections, urinary incontinence, and prostate cancer. Patients experiencing symptoms like frequent urination, pelvic pain, or blood in the urine are encouraged to schedule a consultation.
Does Dr. McLennan perform minimally invasive procedures?
Yes, Dr. McLennan offers minimally invasive options for many urological conditions. These approaches are designed to reduce recovery time and minimize discomfort compared to open surgery. He will discuss which technique is most appropriate based on your specific diagnosis.
How do I prepare for my first appointment with Dr. McLennan in Saint Louis?
Bring a list of current medications, any prior imaging or lab results, and a summary of your symptoms and how long you have experienced them. Arriving a few minutes early to complete intake paperwork will help your visit run smoothly.
Does Dr. McLennan treat both men and women?
Yes, Dr. McLennan provides urological care for both male and female patients. He addresses conditions specific to men such as prostate and testicular issues, as well as urinary conditions that affect women, including recurrent UTIs and incontinence.
What should I do if I think I have a kidney stone?
Sudden severe pain in the back or side, nausea, and blood in the urine are common signs of a kidney stone. Contact Dr. McLennan's office promptly or seek emergency care if the pain is severe. Early evaluation can help determine whether the stone will pass on its own or requires intervention.
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