Summary

Dr. Catherine Alonzo is a board-certified urologist who specializes in comprehensive urological care. She earned her medical degree from Drexel University College of Medicine and completed her residency at New York Medical College. With 23 years of experience in urology, Dr. Alonzo has developed expertise in treating a wide range of urological conditions affecting both men and women. She provides care in both English and Spanish, helping her connect with diverse patient populations throughout the Greenwich community.

Dr. Alonzo practices at Greenwich Hospital and Greenwich Urological Associates in Greenwich, Connecticut. She treats patients experiencing acute urinary retention and other urinary complications, providing both diagnostic and therapeutic solutions. Her practice includes performing abdominal imaging studies to help diagnose urological conditions. Patients have rated Dr. Alonzo 4.3 out of 5 stars, reflecting their confidence in her clinical expertise and patient care approach.
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AI-generated from data on this provider profile.

Quick Facts

  • 4.3
  • 23 years of experience
  • speaks English, Spanish
  • New York Medical College
  • 3 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Female

Office Locations

Dr. Catherine Michels Alonzo has 2 locations

Greenwich Urological Associates Pc

49 Lake AveGreenwich, CT 06830
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Greenwich Hospital

5 Perryridge RdGreenwich, CT 06830

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Dr. Catherine Michels Alonzo, MDDr. Jeremy B. Wiygul, MDDr. Izak Faiena, MDDr. David A. Green, MD
UrologyUrologyUrologyUrology
Accepts New Patients Accepts New Patients
4.3 
4.4 
23 Years of Experience 25 Years of Experience 16 Years of Experience 21 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks Spanish, English Speaks English
Greenwich , CTForest Hills , NYNew York , NYFresh Meadows , NY
Med School: Drexel University College Of Medicine Med School: Texas Tech University Health Science Center Med School: Albert Einstein College Of Medicine Of Yeshiva University Med School: Mount Sinai School of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Catherine Michels Alonzo

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Catherine Michels Alonzo has the following specialty

Specialty Expertise

Dr. Catherine Michels Alonzo has the following 10 areas of expertise

  • Bladder Issues
  • Erectile Dysfunction (ED)
  • Kidney Stones
  • Lithotripsy
  • Overactive Urinary Bladder
  • Prostate Cancer
  • Prostatitis
  • Urinary Bladder Cancer
  • Urinary Incontinence
  • Urologic Emergencies

Certifications, License, & Education

23 Years Experience

MEDICAL LICENSE

Medical Doctor, Connecticut, 2026, Expired

EDUCATION & TRAINING

Residency

New York Medical College

Medical School

Drexel University College Of MedicineGraduated in 2003

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Frequently Asked Questions

Does Dr. Catherine Alonzo accept virtual/telehealth appointments?
Dr. Catherine Alonzo has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Catherine Alonzo's office located?
Dr. Catherine Alonzo's office is located at 49 Lake Ave, Greenwich, CT, 06830.
What languages does Dr. Catherine Alonzo speak?
Dr. Catherine Alonzo speaks English and Spanish.
How can I make an appointment with Dr. Catherine Alonzo?
You can find contact information for Dr. Catherine Alonzo here on Vitals.
Which hospitals is Dr. Catherine Alonzo affiliated with?
Dr. Catherine Alonzo is affiliated with Greenwich Hospital.

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