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Our Faculty

  • Catherine Alonzo

    Assistant Professor of Clinical Urology

    Clinical Interests
    • Urinary Bladder Neoplasms
    • Endoscopy
    • Lithotripsy
    • Prostatic Diseases
    • Urinary Incontinence
    • Urination Disorders
    • Nephrolithiasis

    Dr. Catherine Alonzo, a general urologist, treats patients with stone disease and prostatic diseases, as well as female urology disorders including voiding dysfunctions, urinary incontinence, and interstitial cystitis. With specialized training and expertise, Dr. Alonzo performs minimally-invasive procedures including endoscopy and lithotripsy for stones, procedures for prostate enlargement and bladder cancer.   

    Dr. Alonzo received her Master of Science degree from Georgetown University and medical degree from Drexel University College of Medicine. She completed a surgical internship at UConn School of Medicine, and residency training at Nassau University Medical Center in General Surgery and New York Medical College in Urology.  She is a member of the American Urological Association and the Society of Women in Urology.

  • Erik Enquist

    Assistant Professor of Clinical Urology

    Clinical Interests
    • Urinary Bladder Neoplasms
    • Erectile Dysfunction
    • Infertility, Male
    • Kidney Neoplasms
    • Prostate
    • Testicular Neoplasms
    • Urologic Neoplasms
    • Men's Health

    Dr. Enquist offers his patients evaluation and treatment of voiding dysfunction in men and women, kidney stones, urologic cancers (prostate, bladder, kidney), infertility, erectile dysfunction, and BPH. He also performs minimally-invasive office-based procedures including vasectomies and treatment of prostate-related urinary problems, as well as pelvic floor therapy for women with urinary incontinence and other types of voiding dysfunction.

    Previously Chief of Surgery at Westerly Hospital, Dr. Erik Enquist received his Medical Degree from University of Colorado School of Medicine, and completed a surgical residency at Rhode Island Hospital and Alpert Medical School of Brown University, and a residency in urology at George Washington University Medical Center. Dr. Enquist completed a fellowship in Urologic Oncology at National Cancer Institute/NIH.

  • Franklin Leddy

    Assistant Professor of Clinical Urology

    Clinical Interests
    • Infertility
    • Prostate
    • Urinary Incontinence
    • Urologic Neoplasms
    • Vasectomy
    • Urolithiasis
    • Nephrolithiasis

    Dr. Franklin Leddy has practiced adult and pediatric urology in Westerly since 1989, and served as President of Medical Staff and Chief of Surgery at Westerly Hospital. He specializes in the care of patients with voiding dysfunctions, urologic cancers, kidney stones, infertility, and issues of the prostate. He offers hospital and office-based minimally-invasive procedures, including vasectomies.

    Dr. Leddy received his undergraduate degree Cum Laude from Dartmouth College, and medical degree from Dartmouth Geisel School of Medicine. He completed his internship and residency training at University of Colorado School of Medicine in General Surgery, where he also served as Chief Resident in Urology.

  • Instructor

    Adam Ludvigson, MA, MD has been appointed as an Instructor of Urology, effective July 1, 2020. Dr. Ludvigson will mentor second-year urology residents at the residents’ clinic based at Cornell Hill Scott Health, and he will also care for patients with general urologic needs at the 800 Howard Avenue clinic. 

    After completing his internship in general surgery and residency in urology at Maine Medical Center in Portland, Maine, Adam joined Yale as a fellow in Endourology. Dr. Ludvigson received his medical degree from the Medical College of Wisconsin.

    Dr. Ludvigson's approach to patient care is to ensure first and foremost that his patients understand their conditions, and understand all of the treatment options available to them. He views healthcare as a collaborative and compassionate effort between the patient and their doctor. 

  • Steven Schoenberger

    Assistant Professor

    As a general urologist, Dr. Steven Schoenberger focuses a large part of his practice on men’s health, with a special interest in minimally invasive and medical management of BPH, kidney stones, erectile dysfunction, male sexual dysfunction, vasectomy. He is also involved in initial diagnosis and long-term management of urologic cancers.

    Dr. Schoenberger completed his residency in urology at Tulane University School of Medicine in New Orleans, Louisiana, and also completed a fellowship in urologic oncology. Dr. Schoenberger served on the academic faculty of the Department of Urology at Tulane before entering private practice in New London, CT in 1986.  He served as Chairman of Urology at Lawrence + Memorial Hospital (L+M) in New London for many years, and also was Director of the Community Cancer Center in New London. Most recently, Dr. Schoenberger was an attending physician at Hartford Healthcare Medical Group in Waterford, CT and at Backus Hospital in Norwich, CT.

    Dr. Schoenberger is delighted to become part of the Department of Urology at Yale School of Medicine and to rekindle his friendships and collaboration with existing members of the faculty. He will care for patients at the Yale Urology clinics located in Madison, Connecticut and Westerly, Rhode Island.

  • Nicholas Stroumbakis

    Assistant Clinical Professor Urology

    Clinical Interests
    • Urinary Bladder Diseases
    • Erectile Dysfunction
    • Urinary Incontinence
    • Urologic Neoplasms
    • Vasectomy

    Dr. Nicholas Stroumbakis is a fellowship trained Urological Oncologist who has been in practice in Fairfield County for over 20 years.  He practices general urology with an emphasis in oncology. He handles all aspects of urological ailments and matters, from disease prevention to diagnostic and surgical options.  He is an expert in both minimal invasive procedures and general surgeries for all urological conditions. He completed a Urological Oncology Fellowship at Memorial Sloan Kettering after graduating from Mount Sinai School of Medicine in New York City. He is the recipient of several distinctions, including Castle Connolly Top Doctor awards and Top Doctor in Connecticut.