Pediatric Gastroenterology
(212) 305-3000
(212) 305-3000
Specialties
Pediatrics, Pediatric Gastroenterology, Pediatric Transplant Hepatology, more
SpecialtiesLeadershipInsuranceAbout
Pediatric Gastroenterology
(212) 305-3000
(212) 305-3000
Locations and Appointments
ColumbiaDoctors - 300 Frank Burr Blvd
300 Frank W Burr Blvd
Suite 130
Teaneck
NJ 07666
US
(212) 305-3000
(212) 305-3000
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
(212) 305-3000
(212) 305-3000
Existing Patients
Login or sign-upto Connect Patient Portal
ColumbiaDoctors - 25 Rockwood Place
25 Rockwood Place
Suite 330
Englewood
NJ 07631
US
Existing Patients
Login or sign-upto Connect Patient Portal
CUIMC/Presbyterian Hospital and Vanderbilt Clinic
622 West 168th Street
Floor 14
New York
NY 10032
US
(212) 305-3000
(212) 305-3000
Existing Patients
Login or sign-upto Connect Patient Portal
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
EPO
HMO
PPO
Medicare Managed Care
POS
Student Health
Aetna Signature Administrators
NYP Employee Plan
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
EPO
Medicare Managed Care
HMO
PPO
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
SelectHealth
Medicare Managed Care
Special Needs
Medicaid Managed Care
Medicare Managed Care
New Jersey Services (Medicare Managed Care)
World Trade Center Health Plan
NY Signature
EPO
HMO
PPO
Medicare Managed Care
POS
Student Health
Aetna Signature Administrators
NYP Employee Plan
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
EPO
Medicare Managed Care
HMO
PPO
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
SelectHealth
Medicare Managed Care
Special Needs
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
- Abdominal Organ Transplantation
- Acute Liver Failure
- Alpha-1-Antitrypsin Deficiency
- Autoimmune Liver Disorder
- Biliary Atresia
- Cholangitis
- Cholestatic Liver Disease
- Clinical Research
- Colonoscopy
- Cystic Fibrosis
- EGD
- Endoscopic Feeding Tube Placement
- Endoscopy
- Epstein-Barr Virus Infection
- Esophagogastroduodenoscopy
- Failure to Thrive
- Fatty Liver Disease, Non-Alcoholic
- Gastrointestinal Bleeding
- Gastrointestinal ERCP
- Gastrointestinal Tumors
- Gastrostomy Tube Placement
- Hepatic Disorders
- Hepatitis
- Hepatobiliary Diseases
- Hepatobiliary Surgery
- Hepatoblastoma
- Hepatology
- Inborn Error of Metabolism
- Intestinal Atresia
- Intestinal Failure
- Intestinal Transplant
- Jaundice
- Liver Disease In Children
- Liver Fibrosis
- Liver Surgery
- Liver Transplant, Pediatric
- Liver Tumors
- Living Donor Transplantation
- Metabolic and Fatty Liver Disease
- Metabolism
- Pediatric Liver Cancer
- Pediatric Liver Disease-Acute
- Pediatric Liver Disease-Chronic
- Pediatric Liver Transplant
- Pediatric Short Bowel Syndrome
- Percutaneous Gastrostomy Tube Inser
- Portal Hypertension
- Primary Biliary Cholangitis
- Primary Sclerosing Cholangitis
- Sclerotherapy
- Short Bowel Syndrome
- Upper Endoscopy
- Weight Management
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
Leadership, Titles & Positions
- Clinical Director, Human Studies Core, Columbia Center for Translation Immunology
- Medical Director, Adult and Pediatric Intestinal/Multivisceral Transplant Program, Center for Liver Disease and Abdominal Organ Transplantation, NYP
- Professor of Pediatrics and Medicine at CUMC
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
Call 1-877-426-5637
Call 1-877-426-5637
