Summary

Dr. David Knowles is a urologist and surgeon who graduated from Columbia University College of Physicians and Surgeons. With 28 years of experience in urology and surgical care, he has built extensive expertise in treating conditions affecting the urinary system and male reproductive health. Dr. Knowles speaks both English and Spanish, helping him connect with a diverse patient population.

Dr. Knowles practices at multiple locations throughout Mount Vernon, Illinois, including Advanced Urological Surgeons and is affiliated with Deaconess Illinois Crossroads. He specializes in treating benign prostatic hyperplasia and urinary retention issues. His surgical and diagnostic expertise includes performing urodynamic testing and comprehensive urine analysis to evaluate kidney and bladder function. Patients have given him an average rating of 4.4 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 28 years of experience
  • speaks Spanish, English
  • Columbia University College Of Physicians & Surgeons
  • 27 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. David Ryan Knowles has 3 locations

Advanced Urological Surgeons

4109 S Water Tower PlMount Vernon, IL 62864
Mon7:00 am - 3:30 pm
Tue7:00 am - 3:30 pm
Wed8:00 am - 4:30 pm
Thu7:00 am - 3:30 pm
Fri7:00 am - 3:30 pm
SatClosed
SunClosed

Good Samaritan Surgery Center

2 Good Samaritan Way Ste 200Mount Vernon, IL 62864
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. David Ryan Knowles, MD
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Dr. David Ryan Knowles, MDDr. Sidney P Rohrscheib, MDDr. Maamoun A Junidi, MDDr. Narendra Kumar Gupta
UrologySurgerySurgerySurgery
Accepts New Patients Accepts New Patients
4.4 
4.4 
4.6 
28 Years of Experience 36 Years of Experience 57 Years of Experience 63 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English Speaks English, Arabic Speaks English
Mount Vernon , ILChampaign , ILCentralia , ILCentralia , IL
Med School: Columbia University College Of Physicians & Surgeons Med School: University Of Illinois At Chicago College Of Medicine Med School: University Of Damascus Faculty Of Medicine Med School: Gandhi Medical College
Current Profile
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Insurance Plans Accepted by Dr. David Ryan Knowles

  • Accepts Medicare

Medical Specialties

Dr. David Ryan Knowles has the following 2 specialties

Specialty Expertise

Dr. David Ryan Knowles has the following 9 areas of expertise

  • Bladder Issues
  • Enlarged Prostate (Prostatic Hyperplasia)
  • Erectile Dysfunction (ED)
  • Kidney Stones
  • Overactive Urinary Bladder
  • Prostate Cancer
  • Prostatitis
  • Surgery
  • Urologic Emergencies

Certifications, License, & Education

28 Years Experience

Dr. David Ryan Knowles holds an active medical license in the state of Illinois.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires in 2026.

Education & Training

Medical School

Graduated from Columbia University College Of Physicians & Surgeons in 1998.

NPI Number

Dr. Knowles' NPI number is 1881699908.

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Frequently Asked Questions

Where is Dr. David Knowles's office located?
Dr. David Knowles's office is located at 4109 S Water Tower Pl, Mount Vernon, IL, 62864.
Which hospitals is Dr. David Knowles affiliated with?
Dr. David Knowles is affiliated with Deaconess Illinois Crossroads and SSM HEALTH GOOD SAMARITAN HOSPITAL MOUNT VERNON.
How can I make an appointment with Dr. David Knowles?
You can find contact information for Dr. David Knowles here on Vitals.
Does Dr. David Knowles accept my insurance?
You can see the insurance plans that Dr. David Knowles accepts on their Vitals profile.
Does Dr. David Knowles accept virtual/telehealth appointments?
Dr. David Knowles has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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