Welcome to Vanguard Gastroenterology Clinic

Welcome to Vanguard Gastroenterology, your premier destination for comprehensive digestive health care. Our experienced team offers personalized GI consultations, advanced procedures such as colonoscopies and upper endoscopies, in-office infusion therapies, integrative weight management programs, clinical trials, hemorrhoid treatments, screening colonoscopies, IV therapy in Midtown, EUS procedures, and fecal microbiota transplants, and much more!  Trust Vanguard Gastroenterology to help you achieve optimal digestive health. Schedule your appointment today and experience our outstanding services.

Our Physicians

Meet our Physicians: Experienced experts in digestive health, dedicated to providing personalized care and accurate diagnoses. Our skilled team stays up-to-date with the latest advancements in gastroenterology to offer the most effective treatments available. With a patient-centered approach, we prioritize your well-being and strive to build strong doctor-patient relationships based on trust and open communication. Trust our physicians at Vanguard Gastroenterology to guide you towards optimal digestive health. Schedule an appointment with our exceptional team today.

Conditions We Treat

  • Barrett’s Esophagus
  • Celiac Sprue
  • Colon Cancer / Polyps
  • Constipation
  • Crohn’s Disease
  • Diverticulitis Treatment
  • Eosinophilic Esophagitis
  • Gastritis
  • Peptic Ulcers
  • Ulcerative Colitis
  • GERD / Acid Reflux
  • H. Pylori
  • Hemorrhoids
  • Hepatitis
  • Hiatal Hernia
  • Irritable Bowel Syndrome
  • Inflammatory Bowel Disease
  • Lactose Intolerance
  • Pancreatitis
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Vanguard GI: Recognizing Excellence

  • Ioannis S.

    Dr Brettholz is a Great doctor. He definitely knows what he’s talking about. Very experienced and makes you feel very comfortable. Highly recommended!

    Ioannis S.
  • Dino D.

    My wife and I had colonoscopy screenings with Dr. Friedlander. He is a warm human being and excellent physician. He and his staff made the experience very comfortable. Many thanks!

    Dino D.
  • Deborah W
    Dr Cohen has been my GI dr for some years now. He is an excellent clinician, knowledgeable, timely, thorough and concerned. I highly recommend him to anyone with GI issues.
    Deborah W

About Insurance

Does Smart Choice accept insurance?

What are the reasons for the direct primary care and pay-out-of-pocket option?

Which forms of payment are eligible?

What should I bring to my first visit?

What can I expect at my appointment?

Will I receive a bill?

How is the clinic staffed?