Photo of Gustavo Fernandez-Ranvier
Accepting New Patients
Gustavo G Fernandez-Ranvier, MD
Bariatric Surgery
Mount Sinai Doctors Faculty Practice ?
    • Position
    • ASSISTANT PROFESSOR | Metabolic, Endocrine and Minimally Invasive Surgery
    • Specialties
    • Bariatric Surgery
    • Surgery
    • Languages
    • English
    • Spanish
    • Hospital Affiliations
    • Mount Sinai Beth Israel
    • Mount Sinai Queens
    • The Mount Sinai Hospital
Request an Appointment
5 East 98th Street 3rd fl
New York, NY 10029
Phone: 212-824-2350
25-20 30th Avenue 5th Fl
Long Island City, NY 11102
Phone: 718-808-7700
1470 Madison Avenue 3rd Fl
New York, NY 10029
Phone:
Dr. Fernandez-Ranvier is a board certified and fellowship trained surgeon who received his Bachelor’s degree in biology and his Doctor of Medicine at the University of Buenos Aires School of Medicine in Argentina. Dr. Fernandez-Ranvier has undergone extensive training. He completed his residency in general surgery at A. Posadas /Parmenio Piniero Hospital in Buenos Aires, Argentina. Thereafter, he attended the University of California, where he completed a three year postdoctoral fellowship in Endocrine Surgical Oncology and a clinical fellowship in Colorectal Surgery focusing on minimally invasive approaches and robotic surgery for the treatment of colon and rectal cancer. Dr. Fernandez-Ranvier remained in California, where he completed additional residency programs at Loma Linda University Medical Center and San Joaquin General Hospital. He has also obtained a Doctor of Philosophy degree (PhD) at the University of Buenos Aires – School of Medicine with his PhD thesis entitled “Clinical and Molecular Pathogenesis of Parathyroid Tumors”. This original research was performed at the University of California at San Francisco during his postdoctoral fellowship under the mentorship of world renowned endocrine surgeon, Dr Orlo H. Clark. Dr. Fernandez-Ranvier completed his fellowship in Minimally Invasive Endocrine and Metabolic Surgery at the Icahn School of Medicine at Mount Sinai and is currently an Assistant Professor in Surgery at the Mount Sinai Hospital in New York. His areas of specialty and research interests include thyroid and parathyroid disease, adrenal and pancreatic neuroendocrine tumors, and minimally invasive and bariatric surgery.

Certification

American Board of Surgery

Clinical Focus

  • Abdominal Hernia
  • Achalasia
  • Adrenal Cortical Carcinoma
  • Adrenal Gland Tumors
  • Adrenalectomy-Laparoscopic Surgery
  • Adrenalectomy-Open Surgery
  • Antireflux Surgery
  • Bariatric Revision Surgery
  • Bariatric Surgery
  • Cholecystectomy-Laparoscopic Surgery
  • Colectomy-Laparoscopic Surgery
  • Endocrine Pancreas Tumors
  • Endocrine Tumors
  • Fundoplication-Laparoscopic Surgery
  • Gastroesophageal Reflux Disease
  • Hyperparathyroidism
  • Laparoscopic Hernia Repair
  • Laparoscopic Intestinal Surgery
  • Lysis Of Adhesions
  • Metabolic Syndrome
  • Obesity
  • Parathyroid Neoplasia
  • Pheochromocytomas And Paragangliomas
  • Primary Aldosteronism
  • Robot-Assisted Laparoscopic Procedures
  • Roux-en-Y Gastric Bypass (Laparoscopic And Open)
  • Sleeve Gastrectomy
  • Small Bowel Resection
  • Thyroid Cancer
  • Thyroid Nodule
  • Thyroidectomy

Research Topics

Anti-Tumor Therapy, Apoptosis/Cell Death, Cancer Genetics, Diabetes, Obesity, Thyroid, Tumor Suppressor Genes, Tumorigenesis

Education

MD, Universidad De Buenos Aires

MD, University of Buenos Aires – School of Medicine

Residency, General Surgery
Loma Linda University Medical Ctr.

Residency, General Surgery
San Joaquin General Hospital

Fellowship, Endocrine Surgery
* Mount Sinai Medical Center *

Languages

English, Spanish