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Mercedes Martinez, MD

Pediatric Gastroenterology
One of America's Top Doctors - Castle Connolly Top Doctors
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Specialties
Pediatrics, Pediatric Gastroenterology, Pediatric Transplant Hepatology, more

Locations and Appointments


New Patients
child iconTreats Children

CUIMC/Presbyterian Hospital and Vanderbilt Clinic

622 West 168th Street
Floor 14
New York, NY 10032
US
Existing Patients
Login or sign-upto Connect Patient Portal

CUIMC/NewYork-Presbyterian Morgan Stanley Children's Hospital

3959 Broadway
Suite Bhn 702
New York, NY 10032
US
Existing Patients
Login or sign-upto Connect Patient Portal

ColumbiaDoctors - 25 Rockwood Place

25 Rockwood Place
Suite 330
Englewood, NJ 07631
US
Existing Patients
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Existing Patients
Login to Connect Patient Portal make an appointment, view documentation or contact your doctor’s office.
Columbia Connect App
The Columbia Connect app allows you to access convenient services to help manage your health. Access the patient portal, communicate with your doctor, manage appointments, view test results, request prescription refills, pay a bill, and find a doctor.

Insurances Accepted


Please contact the doctor's office directly to verify that your particular insurance is accepted.

    NY Signature
    NYP Employee Plan
    Aetna Signature Administrators
    Medicare Managed Care
    HMO
    PPO
    POS
    Student Health
    EPO
    Medicaid Managed Care
    Essential Plan
    Special Needs
    PPO
    Medicaid Managed Care
    HMO
    EPO
    Great West (National)
    EPO
    POS
    Medicare Managed Care
    PPO
    HMO
    PPO
    PPO
    Medicare Managed Care
    Vytra
    Medicare Managed Care
    EPO
    POS
    Select Care (Exchange)
    PPO
    HMO
    Medicaid Managed Care
    Essential Plan
    ConnectiCare
    Medicaid Managed Care
    Essential Plan
    Child/Family Health Plus
    Medicare Managed Care
    HMO
    PPO
    EPO
    Child/Family Health Plus
    Essential Plan
    Medicaid Managed Care
    Medicare Managed Care
    Medicare Managed Care
    Child/Family Health Plus
    Medicaid Managed Care
    Leaf (Exchange)
    EPO - New Jersey Services
    POS - New Jersey Services
    PPO - New Jersey Services
    HMO - New Jersey Services
    Local 1199
    MagnaCare
    Traditional Medicare
    Railroad
    Multiplan
    Child/Family Health Plus
    HMO
    Medicaid Managed Care
    Essential Plan
    Quality Health Management
    Columbia University Employee Plan
    Medicare Managed Care
    Empire Plan
    POS
    Medicaid (Community Plan)
    Compass (Exchange)
    HMO
    PPO
    Oxford Liberty
    Oxford Freedom
    Oxford HMO
    Special Needs
    SelectHealth
    Medicare Managed Care
    Medicaid Managed Care
    Medicare Managed Care
    New Jersey Services (Medicare Managed Care)
    World Trade Center Health Plan
    NY Signature
    NYP Employee Plan
    Aetna Signature Administrators
    Medicare Managed Care
    HMO
    PPO
    POS
    Student Health
    EPO
    Medicaid Managed Care
    Essential Plan
    Special Needs
    PPO
    Medicaid Managed Care
    HMO
    EPO
    Great West (National)
    EPO
    POS
    Medicare Managed Care
    PPO
    HMO
    PPO
    PPO
    Medicare Managed Care
    Vytra
    Medicare Managed Care
    EPO
    POS
    Select Care (Exchange)
    PPO
    HMO
    Medicaid Managed Care
    Essential Plan
    ConnectiCare
    Medicaid Managed Care
    Essential Plan
    Child/Family Health Plus
    Medicare Managed Care
    HMO
    PPO
    EPO
    Child/Family Health Plus
    Essential Plan
    Medicaid Managed Care
    Medicare Managed Care
    Medicare Managed Care
    Child/Family Health Plus
    Medicaid Managed Care
    Leaf (Exchange)
    EPO - New Jersey Services
    POS - New Jersey Services
    PPO - New Jersey Services
    HMO - New Jersey Services
    Local 1199
    MagnaCare
    Traditional Medicare
    Railroad
    Multiplan
    Child/Family Health Plus
    HMO
    Medicaid Managed Care
    Essential Plan
    Quality Health Management
    Columbia University Employee Plan
    Medicare Managed Care
    Empire Plan
    POS
    Medicaid (Community Plan)
    Compass (Exchange)
    HMO
    PPO
    Oxford Liberty
    Oxford Freedom
    Oxford HMO
    Special Needs
    SelectHealth
    Medicare Managed Care
    Medicaid Managed Care
    Medicare Managed Care
    New Jersey Services (Medicare Managed Care)
    World Trade Center Health Plan

About Mercedes Martinez, MD


Mercedes Martinez, MD, is a Professor of Pediatrics and Medicine, the Medical Director of the Intestinal Transplant Program at the Center for Liver Disease and Abdominal Organ Transplantation, and the Medical Director, Pediatric Abdominal Organ Transplantation Transplant at NewYork-Presbyterian. She provides state-of-the-art care for children with a multitude of liver and intestinal issues, including children with liver and intestinal failure that require transplantation and for those with intestinal failure associated liver disease. Dr. Martinez is nationally and internationally recognized for her expertise in treating liver tumors and autoimmune liver disorders. Her research interests include liver biomarkers of operational tolerance and personalized immunosuppression, liver tumors in children, autoimmune liver diseases, metabolic disorders, nutritional deficiencies associated with liver diseases, and intestinal failure. In addition, she has been part of multi-center collaborative efforts to study the impact of autoimmune liver disorders in children and clinical trials of immunosuppression withdrawal.


Visit The Center for Liver Disease and Transplantation at columbiasurgery.org/liver


Board Certifications

  • Pediatric Gastroenterology
  • Pediatric Transplant Hepatology
  • Pediatrics

Languages Spoken

  • Spanish

Specialties & Expertise

  • Autoimmune Hepatitis
  • Autoimmune Liver Disorder
  • Gastrointestinal Bleeding
  • Gastrointestinal ERCP
  • Gastrointestinal Tumors
  • Hepatic Disorders
  • Hepatitis
  • Hepatitis B
  • Hepatobiliary Pancreas Disease
  • Hepatology
  • Intestinal Atresia
  • Intestinal Transplant
  • Liver Disease In Children
  • Liver Transplantation
  • Liver Tumors
  • Pediatric Liver Cancer
  • Pediatric Liver Disease-Acute
  • Pediatric Liver Disease-Chronic
  • Short Bowel Syndrome

Education

  • Fellowship: NewYork-Presbyterian Hospital/Columbia University Medical Center
  • Medical School: Higher Institute of Medical Sciences, Santiago De Cuba
  • Internship: Lincoln Medical and Mental Health Center Bronx, NY
  • Residency: Lincoln Medical and Mental Health Center Bronx, NY

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center
  • NewYork-Presbyterian / Weill Cornell Medical Center

Awards & Honors

  • 2015-2016 Faculty Leadership Academy
  • 2016-2022 New York Magazine Best Doctors
  • 2018 Academy of Clinical Excellence?at Columbia University (ACE)
  • 2019-2022 Exceptioanl Women In Medicine

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