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Gastroenterology - Richmond Health Network

4.7 out of 5 · 272 reviews

Gastroenterology • Staten Island, NY • 2 (4360 Hylan Blvd location; 1058 Forest Avenue location) locations

About

Gastroenterology - Richmond Health Network is a gastroenterology practice in Staten Island, NY with multiple locations offering consultations, follow-ups, endoscopy, and colonoscopy services. The practice treats conditions including acid reflux, Crohn's disease, ulcerative colitis, irritable bowel syndrome, gallbladder and liver diseases, and provides colorectal cancer screening as part of the NYS Cancer Screening Program.

Clinic Type

Gastroenterology

Address

4360 Hylan Blvd (location listed) and 1058 Forest Avenue (location listed)

Phone

1-718-818-4360

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Gastroenterology
  • Consultations
  • Follow-ups
  • Endoscopy
  • Colonoscopy
  • Gastrointestinal disorder treatment
  • Esophageal diseases and cancers
  • Liver diseases and cancers
  • Gallbladder diseases and cancers
  • Pancreatic diseases and cancers
  • Irritable bowel syndrome
  • Crohn’s disease
  • Ulcerative colitis
  • Diverticulitis
  • Hemorrhoid exams
  • Abdominal pain
  • Acid reflux/GERD
  • Blood in stool
  • Bowel diseases
  • Colonoscopy consultations
  • Colorectal cancer screening
  • Gastroenterology follow up

Team

  • Wallen C.Y. Chan, Board-certified gastroenterologist; Fellowship in Gastroenterology; affiliated with Richmond University Medical Center; fellow of the American College of Gastroenterology (FACG) — MD, FACG
  • Daoud, Internal medicine and gastroenterology training; residency/fellowship details provided; fluent in English and Arabic — MD
  • Dr. Roberts, MD from St. George’s University; internal medicine residency and gastroenterology fellowship; chief residency in internal medicine — MD
  • Vahe Shahnazarian, Internal Medicine residency; MPH; gastroenterology/academic affiliations — MD, MPH, FACP

Insurance & Payment

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Languages Spoken

  • English
  • Arabic

FAQs

What is Gastroenterology?

Study of digestive problems and disorders of the esophagus, stomach, small intestine, colon and rectum, pancreas, gallbladder, bile ducts and liver.

What conditions are treated?

Abdominal pain, acid reflux/GERD, blood in stool, bowel diseases, Crohn’s disease, diarrhea, diverticulitis, esophageal diseases, gallbladder diseases, liver diseases, pancreatic diseases, irritable bowel syndrome, ulcerative colitis, etc.

What services does Gastroenterology offer?

Consultations and follow-ups for common GI issues, including reflux/heartburn, gallbladder diseases and cancers, irritable bowel, and other digestive problems.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: 41 ratings (for Dr. Joseph Roberts) (N/A)
  • Vitals: 3.6/5 (for Dr. Joseph Roberts) (N/A)
  • US News & World Report: 4/5 (for Dr. Richard Fazio) (45 reviews)
  • Healthgrades: 2.6/5 (for Dr. Richard Fazio) (19 reviews)
  • US News & World Report: 5/5 (for Dr. Wallen Chan) (21 reviews)
  • Birdeye/Google: 5/5 (for Richmond Health Network) (187 reviews)

Patients praise

  • doctors described as caring and attentive once seen
  • willingness to spend time addressing patient concerns and explaining treatments
  • efforts to help patients manage insurance and medication costs
  • thorough explanations of health issues

Common complaints

  • difficulty reaching the office by phone
  • long wait times for appointments
  • unresponsive office staff regarding follow-up and authorizations
  • occasional reports of poor bedside manner

"I can honestly say Dr. Roberts is the best and nicest doctor I think I have ever visited, his staff is TOPS! I highly recommended Dr. Roberts to all!"

— Richmond Health Network Patient Testimonial

"Dr Roberts may be a good doctor but there is horrible follow through by his staff... Very difficult to reach the office - there was phone troubles for nearly a month - and although messages were left, never received a return call."

— Vitals review regarding Dr. Joseph Roberts

"Dr. Fazio has an awful bedside manner. He doesn’t like you to ask questions... He very rude & reacts instead of responds."

— Healthgrades review regarding Dr. Richard Fazio

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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