Our FDA‑approved, MD‑supervised Weight Loss Program is now available to patients of the practice.
Board‑Certified Gastroenterologist · Tarzana, CA
Dr. Joel A. Sach treats every patient like family — combining advanced diagnostics with mind‑body medicine to get to the root of the problem, not just the symptoms.
Board‑Certified & Proud Member Of
Meet Dr. Sach
Known to patients as an exceptional diagnostician and a great listener, Dr. Joel A. Sach is a gastroenterologist recognized multiple times throughout his years in practice with the “Super Doctor” designation and honored by the American College of Gastroenterology. His research at UCLA's Center for Neuro‑Visceral Sciences focused on the brain‑gut axis — how stress shapes digestion — and that whole‑person perspective guides every visit.
Patients come to Dr. Sach for thorough, unhurried care and for non‑surgical solutions that many practices overlook. Whether it's stubborn weight gain or the inability to maintain a desired healthy weight, persistent reflux, an eating disorder, or a hemorrhoid that won't quit, the goal is the same: real relief, delivered with dignity.
“We treat each and every patient as if they were members of our own family.”
Credentials
A foundation of top‑tier training and peer‑recognized excellence.
Clinical Research
As a Principal Investigator with Valiance Clinical Research, Dr. Sach helps develop the next generation of therapies for digestive and liver disease — bringing leading‑edge care to the community.
Compensated cirrhosis (F4) due to NASH / MASH — a clinical research study
An investigational treatment study for adults living with fatty‑liver–related (NASH/MASH) cirrhosis. If you'd like to be considered, leave your contact details below and our team will reach out to complete a confidential pre‑screening by phone.
What We Offer
Comprehensive gastrointestinal care under one roof.
Upper GI endoscopy, colonoscopy, and wireless capsule endoscopy — plus non‑invasive breath testing for H. pylori, all with gentle sedation.
Screening colonoscopy and polyp removal through a dedicated prevention program — the single most effective way to stop colon cancer before it starts.
MD‑supervised programs including Ideal Protein & Prolon meal plans, the ReShape gastric balloon, aspiration therapy, FDA‑approved medication, and healthy‑cooking support.
Quick, in‑office hemorrhoid banding and anorectal care that relieves symptoms with little to no downtime — no surgery required.
Care for the brain‑gut connection through hypnotherapy, cognitive behavioral therapy, and acupuncture — treating how stress shapes digestion.
Holistic options including detox, herbal therapy, digestive‑enzyme support, custom prebiotics & probiotics, and IV therapy (Myers' cocktail).
Conditions Treated
Recognition
Honored by patients and peers alike.
Patient Stories
Dr. Sach is incredibly thorough and actually listens. He found the cause of a problem two other doctors missed. I finally feel heard.
Compassionate, patient, and genuinely caring. He took the time to explain everything and never made me feel rushed.
An exceptional diagnostician. His holistic approach to my digestive issues made all the difference. Highly recommend.
✦ Exclusive Service
Enrolled patients enjoy direct, priority access to Dr. Sach beyond regular office hours — personalized attention and peace of mind whenever you need it most.
Get in Touch
New patients and telehealth visits are welcome. Call the office and our team will help you find a time that works.