Riverdale Gastroenterology and Liver Diseases Employee Directory

Medical PracticesNew York, United States11-50 Employees

Riverdale Gastroenterology & Liver Diseases (RGLD) specializes in the treatment of gastrointestinal and liver diseases. We are committed to delivering the highest quality of care in the fields of gastroenterology and hepatology. 

RGLD is the premier resource of the Riverdale area of the Bronx, with over 28 years of experience providing diagnosis and treatment of gastrointestinal and liver problems.  Our physicians are experts at performing gastrointestinal endoscopy as well as Esophagastro-duodenoscopy (EGD), colonoscopy, capsule endoscopy and Endoscopic Retrograde Cholangiopancreatography (ERCP). We provide consultations in our main Riverdale office, various Bronx satellite offices, and at Montefiore Medical Center. 

Our procedures are performed at:
The Advanced Endoscopy Center (accredited by the  Accreditation Association for Ambulatory Health Care (AAAHC) 

At our Riverdale office, accredited by the American Association for Accreditation of Ambulatory Surgery Facilities (AAAASF) 

Montefiore Medical Center, accredited by The Joint Commission (TJC) 
 
The physicians of Riverdale Gastroenterology  & Liver Diseases, Isadore P. Gutwein, MD; Robert A. Sable, MD; Michael S. Ader, MD; David F. Stein, MD. Daniel S. Reich, MD and Jeremy M. Gutwein, MD serve patients from areas including Northern Manhattan, the Bronx and Lower Westchester.

Find Riverdale Gastroenterology and Liver Diseases employees' phone numbers or email addresses

Riverdale Gastroenterology and Liver Diseases Global Highlights

Location
Employees

North America
5

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  • United States Of America
    5

Riverdale Gastroenterology and Liver Diseases's Leadership

  • Stylized image of a person
    R. S.
    Vice President
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  • Stylized image of a person
    J. G.
    Md, Ms
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  • Stylized image of a person
    Y. M.
    Billing Manager
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  • Stylized image of a person
    D. S.
    Physician
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Contact profiles from Riverdale Gastroenterology and Liver Diseases

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    R. S.
    Vice President
    Phone icon
    United StatesNew York
    Nov 16, 2025
  • Stylized image of a person
    J. G.
    Md, Ms
    Phone icon
    UNITED STATES
    Oct 23, 2024
  • Stylized image of a person
    Y. M.
    Billing Manager
    Phone icon
    United StatesNew York
    Oct 17, 2025
  • Stylized image of a person
    D. S.
    Physician
    Phone icon
    UNITED STATES
    Oct 16, 2024

Frequently Asked Questions

What is Riverdale Gastroenterology and Liver Diseases known for?

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Riverdale Gastroenterology and Liver Diseases was founded in 1981 operates in the Medical Practices industry. The company's main headquarters is located in 3765 Riverdale Avenue, Suite 7; you can contact the main corporate office by phone at . Explore Riverdale Gastroenterology and Liver Diseases's company overview page for more information.

What is Riverdale Gastroenterology and Liver Diseases's most common email format?

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Riverdale Gastroenterology and Liver Diseases employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Riverdale Gastroenterology and Liver Diseases email formats with LeadIQ.

How many employees does Riverdale Gastroenterology and Liver Diseases have currently?

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Riverdale Gastroenterology and Liver Diseases has approximately 11 employees as of December 2025. These team members are located across 1 continents, including North America.

Who are Riverdale Gastroenterology and Liver Diseases's key employees and leadership?

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As of December 2025, Riverdale Gastroenterology and Liver Diseases's key employees include:

  • Vice President: R. S.
  • Md, Ms: J. G.
  • Billing Manager: Y. M.
  • Physician: D. S.

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