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Thyroid Program

Thyroid Center
Joslin Diabetes Center
3229 East Genesee Street
Syracuse, NY 13214
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Phone: 315 464-5726
Fax: 315 464-2510
Hours:7:30 a.m. - 5:00 p.m. Monday through Friday
Dr. Izquierdo
Roberto Izquierdo, MD
Medical Director

The Thyroid Program includes the Upstate Thyroid Cancer Program and the Thyroid Center.

The Upstate Thyroid Cancer Program

The Upstate Thyroid Cancer Program provides comprehensive care to patients with all types of thyroid cancer.

The team consists of:

  • Endocrinologists
  • Thyroid Surgeons
  • Nuclear medicine physicians
  • Oncologists
  • Pathologists

There are outpatient sessions in which an endocrinologist and thyroid surgeon see patients together to determine the best treatment option for each patient. Nuclear medicine physicians and pathologists are available for immediate consultation. We hold a monthly interdisciplinary conference to discuss the management of patients with thyroid cancer and other thyroid diseases.

The Thyroid Center

The Thyroid Center consists of board-certified endocrinologists who are experts in the evaluation and management of diseases of the thyroid. They manage benign thyroid diseases such as hyperthyroidism, hypothyroidism, thyroid nodules, and multinodular goiters.

Our Center utilizes thyroid ultrasonography machines to aid in the management of thyroid nodular diseases. Our endocrinologists, in conjunction with our cytopathologist, perform ultrasound-guided fine-needle aspirations of thyroid nodules.

Our Multidisciplinary Team


  • Roberto Izquierdo, MD (Director)
  • Rachel Hopkins, MD
  • Barbara Feuerstein, MD
  • Marisa Desimone, MD
  • Vishwanath Pattan, MD

Thyroid Surgeon

  • Mashaal Dhir, MD
  • Mark Marzouk, MD

Nuclear Medicine Physicians

  • Mary McGrath, MD
  • Michelle Lisi, MD
  • Andrij R Wojtowycz, MD
  • David Feiglin, MD


  • Abirami Sivaparagasam, MD


  • Kamal Khurana, MD

Radiation Oncologist

  • Jeffrey Bogart, MD
  • Michael Lacombe, MD

Physician Assistant

  • Danielle Harrington, PA
  • Jennifer Lansing, PA
  • Brenda Geloff, PA
  • Georgiy Yegiazarov, PA
  • Molly Minko, PA

Nurse Practitioner

  • Maria Aquillino, NP


Marisa E Desimone, MD
Marisa E Desimone, MD
315 464-5726
Diseases/Specialties/Treatments: Endocrinology, Diabetes and Metabolism; Adrenal Disorders; Cystic Fibrosis (CF); Diabetes; Hypoparathyroidism/Hyperparathyroidism; Osteoporosis; more
Education: SUNY Upstate Medical University

Barbara L Feuerstein, MD
Barbara L Feuerstein, MD
315 464-5726
Diseases/Specialties/Treatments: Endocrinology, Diabetes and Metabolism; Integrative Medicine; Adrenal Disorders; Diabetes and Heart Disease; Eating Disorders; Hyperlipidemia; more
Education: SUNY Health Science Center at Syracuse
Research Interests:

Diabetes; thyroid disease; obesity; pituitary disease; lipid disorders; adrenal diseases; adolescents with diabetes

Clinical Interests:

Diabetes; obesity; nutrition; intergrative endocrinology

Rachel Hopkins, MD
Rachel Hopkins, MD
315 464-5726
Diseases/Specialties/Treatments: Internal Medicine; Endocrinology, Diabetes and Metabolism; Diabetes; Diabetes Management; Insulin Pump Education; Intravenous Therapy for Osteoporosis; more
Education: University of California at San Diego School of Medicine

Roberto E Izquierdo, MD
Roberto E Izquierdo, MD
315 464-8668
Diseases/Specialties/Treatments: Endocrinology, Diabetes and Metabolism; Pediatric Endocrinology; Diabetes; Diabetic Ketoacidosis; Thyroid Cancer; Thyroid Disease; more
Education: SUNY Health Science Center at Syracuse
Research Interests:

Thyroid nodules, thyroid cancer, diabetes mellitus

Clinical Interests: Thyroid Disease; Diabetes Mellitus