background
background
Dr. Catherine Alonzo, MD

Dr. Catherine Alonzo, MD

Urology*
20+ years of experience

Dr. Catherine Alonzo, MD is a urologist in Greenwich, CT and has over 20 years of experience in the medical field. Dr. Alonzo has extensive experience in Urinary Conditions and Urinary Calculi & Removal. She graduated from Drexel University College of Medicine in 2003. She is affiliated with Greenwich Hospital. She is not accepting new patients.

3.4 Star Rating
Based on 25 reviews 3.4 Star Rating (25 reviews)

Practice

49 Lake Ave Ste 201 Greenwich, CT 06830
Telehealth available

Make an Appointment

(203) 869-1285

At a Glance

  • Area of Expertise
    Dr. Alonzo specializes in the area of Urology. • See board certifications
  • Friendly Staff
    Patients said the staff was friendly. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Highly Recommended Hospital
    Patients recommend this hospital to family and friends. • See hospitals
ADVERTISEMENT
healthgrades-rx

Our Rx prices beat the competition 70% of the time

Optum Perks and Healthgrades are subsidiaries of RVO Health.

Experience Check

Search for experience in a specific area

Learn more about experience and why treatment frequency matters

Insurance Check

Search for your insurance carrier and choose your plan type

Dr. Alonzo's Reviews

Likelihood to recommend Dr. Alonzo

3.4

25 ratings, 11 with a written review
5 Star
52%
52%
4 Star
8%
8%
3 Star
0%
0%
2 Star
8%
8%
1 Star
32%
32%

Your trust is our top concern. Learn more.

We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.

All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.

Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.

Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.

RecentHighestLowestMost Helpful
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Nick V. – Oct 29, 2022
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Wait times
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
1 person found this helpful
Helpful
Aug 31, 2021
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Staff friendliness
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
2 people found this helpful
Helpful
Aug 22, 2020
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Domingo Stern in Tarrytown, NY – Jul 10, 2018
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
5 people found this helpful
Helpful
Antonietta Zappier in NY – May 19, 2018
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
STAMFORD – Nov 07, 2017
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
5 people found this helpful
Helpful
Margaret in Greenwich, CT – Jan 28, 2017
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
4 people found this helpful
Helpful
Karyn in Greenwich, CT – Oct 06, 2016
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Staff wasn't friendly
8 people found this helpful
Helpful
New York, NY – Apr 25, 2016
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Appointment scheduling
  • Staff friendliness
  • Wait times
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
7 people found this helpful
Helpful
Ryan in Stamford, CT – Apr 22, 2016
×Post a ResponseAre you Dr. Catherine Alonzo, MD?
What went well
  • Appointment scheduling
What could be improved
  • Didn't listen or answer questions
  • Staff wasn't friendly
  • Appointment was rushed
7 people found this helpful
Helpful
Irvington, NY – Mar 01, 2016
×Post a ResponseAre you Dr. Catherine Alonzo, MD?

Leave a review

How was your experience with Dr. Alonzo?

Know Before You Go

About Me

biography

Dr. Catherine Alonzo, MD is a urologist in Greenwich, CT and has over 20 years of experience in the medical field. Dr. Alonzo has extensive experience in Urinary Conditions and Urinary Calculi & Removal. She graduated from Drexel University College...read more

  • Urology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • New York Medical College

    Residency Hospital, 2010

  • Nassau University Medical Center

    Residency Hospital, 2006

  • University Of Connecticut School Of Medicine

    Internship Hospital, 2004

  • Drexel University College Of Medicine

    Medical School, 2003
American Board of Medical Specialties®
American Board of Urology®
- 
Urology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

Online Care for Men's Health (Sponsored)

Locations

Practice

Office49 Lake Ave Ste 201 Greenwich, CT 06830
1
Long Ridge Medical Center-Radiology260 Long Ridge Rd Stamford, CT 06902
2

Affiliated Hospitals

  • Greenwich Hospital

    5 Perryridge Rd
    Greenwich, CT 06830
    Recipient of 2
    hospital awards

    Patient Safety Excellence Award™ (2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    82%
    Patients said they were given information about recovering at home

    2% lower than the national average

    78%
    Patients said that doctors always listened to them and explained things well

    2% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality