Endocrine Surgery

Meet our Endocrine Surgeon Experts

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Dr. Naris Nilubol, Dr. Martha Zeiger, and Dr. Samira Sadowski
Dr. Naris Nilubol, Chief of Endocrine Surgery Section, Dr. Martha Zeiger, and Dr. Samira Sadowski

The endocrine surgeons at the NIH specialize in common and rare endocrine tumors as well as inherited endocrine tumor syndromes. These include endocrine tumors of the thyroid, parathyroid, adrenal, gastrointestinal tract and pancreas. We also care for patients with unique functional and familial syndromes.

To make an in-person or virtual appointment with our team please call 240-858-3020 or email endocrine.surgery@nih.gov.

 Visit the links below to learn more about the types of cancer we treat.

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Diagram of the gastrointestinal tract
Our Mission

Our mission is to improve the longevity and health of our patients at risk for or those with surgical endocrinopathy and endocrine tumors.The endocrine surgeon-scientists at the NIH specialize in common and rare endocrine tumors as well as inherited endocrine tumor syndromes involving the thyroid, parathyroid, adrenal, gastrointestinal tract, and pancreas.

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The endocrine surgery team

Our Endocrine Surgery team delivers high-quality care to patients with endocrine tumors in the setting of innovative clinical trials. At the NIH, patients will benefit from a multi-disciplinary approach by renowned experts in the fields of endocrine surgery, endocrinology, radiation therapy, nuclear medicine, interventional radiology and more. Our multidisciplinary teams provide a wide range of patient care from standard of care diagnostics and treatments in natural history observation protocols to cutting-edge molecular diagnostics and imaging studies, state-of the-art surgical procedures, as well as targeted drug therapies in patients with advanced diseases. Members of our team have partnered together in-patient care for more than ten years. It is our seamless and integrated approach to cancer treatment as well as cutting edge clinical protocols and innovative research that provides the greatest benefit to our current and future patients.

The NIH Clinical Center - America's Research Hospital

The NIH Clinical Center, located in Bethesda, Maryland, is the world’s largest hospital fully dedicated to clinical research. Through clinical research, promising discoveries in the laboratory are translated into better health and health care for all.

  • Currently, there are about 1,500 clinical research studies at the NIH Clinical Center.
  • About half are studies of the natural history of disease, especially rare diseases. What researchers learn by studying rare diseases often adds to the basic understanding of common diseases.
  • Most other studies are clinical trials, which often are the first tests of new drugs and therapies in people. The clinical trials at the NIH Clinical Center are predominantly Phase I and Phase II, often first-in-human to test safety and efficacy.

Learn more about the NIH Clinical Center

For Newly Enrolled Patients

The NIH Clinical Center Patient Portal is a secure website that connects you to important resources. The Patient Portal is designed to provide you with access to key medical information regarding care you received at the Clinical Center, including test results.

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Naris Nilubol

Naris Nilubol, M.D.
Physician Scientist Early Investigator
Chief of Endocrine Surgery
naris.nilubol@nih.gov

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Samira Sadowski

Samira Sadowski, M.D.
Physician Scientist Early Investigator, Endocrine Surgery
samira.sadowski@nih.gov

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Elizabeth Martin

Elizabeth Martin
Patient Care Coordinator
elizabeth.martin4@nih.gov

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Martha Zeiger

Martha Zeiger, M.D.
Adjunct Investigator
martha.zeiger@nih.gov

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Kristine Villaruel

Kristine Joy Villaruel, MS, R.N.
Research Nurse
kristinejoy.villaruel@nih.gov