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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Catherine Alonzo:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Catherine Alonzo is Excellent. Dr. Alonzo has been reviewed by 11 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Catherine Alonzo, MD is board certified in Urology.

  • She has special expertise in 6 areas:
  • Erectile Dysfunction (ED)
  • Kidney Stones (Kidney Calculi)
  • Lithotripsy
  • Overactive Urinary Bladder
  • Urinary Bladder Cancer
  • Urinary Incontinence

Education & Awards

Dr. Alonzo graduated from Drexel University , Philadelphia. She has 3 awards.

Patients' Choice Award (2014)
Compassionate Doctor Recognition (2014)
On-Time Doctor Award (2014)


Dr. Alonzo has 1 hospital affiliations:

  • Greenwich Hospital Association 

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Additional Information
Dr. Catherine M Alonzo MD is a female Urologist, has 8 years of experience and practices in Urology.
Where does Dr. Catherine M. Alonzo practice?
Dr. Catherine Alonzo has 1 office location.
Dr. Catherine Alonzo practices Urology near Greenwich, CT.
See Greenwich Urologists.