Ronald Zelnick, MD, FACS, FASCRS

Primary Specialties:
  • General Surgery  (Board Certified)
  • Colon/Rectal Surgery  (Board Certified)

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Accepting New Patients
  • About


    Physician Bio

    Dr. Zelnick has been in practice for over 25 years. Board Certified in General, Colon & Rectal Surgery, he completed his fellowship in Colon and Rectal Surgery at Henry Ford Hospital in Detroit, MI. Dr. Zelnick has received numerous accolades including outstanding efforts in colorectal cancer awareness from the American Cancer Society.


    • Anorectal Manometry and Rectal Ultrasound
    • Evaluation and treatment for Fecal Incontinence, Constipation and Anal Sphincter Disorders
    • Evaluation and treatment of Appendicitis and Diverticulitis
    • Evaluation and treatment of hemorrhoids including banding & HET Therapy
    • Colonoscopy and Colorectal Cancer Screenings
    • Gallbladder Surgery and Hernia Repair
    • Colon, Rectum, and Anal Cancer Surgery
    • Laparoscopic and Robotic Surgery

  • Education


    Medical School:

    Albany Medical College, Albany, NY


    Long Island Jewish Hospital


    Henry Ford Hospital

    Board Certification:

    American Board of Surgery;American Board of Colon and Rectal Surgery
  • In The News

    In The News

    Help available for treating hemorrhoids