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International Leader in Bariatric and Laparoscopic Surgery

Impeccable Track Record of Safety & Success

15000 ⁺ Bariatric, General, Endoscopic Surgeries

Dr. Ahmad with partners have performed about 10,000 bariatric surgeries.
People You Know Outcomes
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Getting You Back to an Active Lifestyle
Announcing
New York's First
MagDI™ Procedure

Incision-Free, Suture-Free Bariatric Technique

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Celebrating
a New
Milestone!We are a proud family of over 10,000 successful Bariatric surgeries, transforming lives and supporting lasting health.

Leading Expert in Metabolic, and Bariatric Surgery
Pioneer in Laparoscopic & Robotic Surgery with an impeccable track record of safety and success
Master Surgeon in Metabolic and Bariatric Surgery * Awarded by SRC *
Master Surgeon in Robotic Surgery * Awarded by SRC *
Surgeon of Excellence in Robotic Surgery

Specialties

Dr. Arif Ahmad is a leading expert in metabolic and bariatric surgery and a recognized Surgeon of Excellence in robotic surgery. He specializes in treating acid reflux, various types of hernias, and gallbladder conditions with advanced, minimally invasive techniques.

Director of the Acid Reflux and Hiatal Hernia Center of Excellence St. Charles Hospital
Director of the Center of Excellence in Metabolic & Bariatric Surgery Dr. Ahmad & Mather Hospital

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Patient-Centered,
Compassionate Approach

Highly Personalized and
Integrated Treatment Programs

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Meet Dr. Arif Ahmad

Arif Ahmad MD, FRCS, FACS is one of the world's pioneer in robotic bariatric surgery. Dr. Ahmad has been invited internationally to make presentations on robotic surgery at the time of writing, he has the worlds largest experience in robotic bariatric surgery. He specializes in minimally invasive surgery. This cutting-edge surgery is done with small incisions and minimal pain and scarring.

Surgeon of Excellence in Robotic Surgery

"Leader in
Weight Loss" by
TIME Magazine

Top Surgeons by
Pulse Magazine

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Appointment

Dr. Arif Ahmad - Bariatric Surgeon at Northwell Health

Dr. Ahmad Newsletter Introduction

Our Surgeons

Patient Resources

Patient Reviews

Dr. Ahmad has changed my life in an amazing way. I had gastric bypass 6/7/2011 and have lost 125 lbs. in 18 months *. With the weight loss i found a 10 cm benign tumor in my breast and had a mascectomy and now I’m perfectly healthy. His staff is so kind and caring and will help you get over the mountains in your new journey in life. Dr. Ahmad is the god of bariatric surgery. I recommend him to EVERYONE with a weight problem looking to make a change in their life.
* Results Vary Patient to Patient
- Marette K
Dr. Ahmad and his team, performed the gastric bypass on me May 2011. The best decision I ever made. A side note, I had attended a few surgeons seminars and found Dr. Ahmad’s the most informative and was able to see his passion for the work. God bless his team and the work they do.
* Results Vary Patient to Patient
- Donna R.
After attending Doctor Ahmads weight loss seminar i knew i would like him to preform my Laproscopic gastric bypass surgery. I felt completely safe and Confident with doctor Ahmad. I had my Sugery on July 20, 2011 And I’m losing weight and feeling great.
* Results Vary Patient to Patient
- Colleen H *

Recent Blog Posts

Dr. Ahmad's Blog Posts

What Is Minimally Invasive Weight Loss Surgery and How Does It Help Long Island, Port Jefferson, Riverhead, Huntington Station Patients?
Posted on: 01-Sep-2026
For people who have tried diet after diet without lasting success, the frustration can feel endless. Weight regain isn't a matter of willpower, it's often biology working against sustained effort.
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