Hyperthyroidism

Hyperthyroidism is a condition in which the thyroid gland makes too much thyroid hormone. The condition is often referred to as an "overactive thyroid."

Programs + Services


General Endocrine Clinic

The General Endocrine Clinic at Tufts Medical Center in Boston provides evaluation and treatment for patients with a wide range of endocrine disorders.
More information about programs and services


Thyroid Disease Clinic

The Thyroid Disease Clinic at Tufts Medical Center in Boston provides comprehensive diagnostic services and treatment for hyperthyroidism, hypothyroidism and thyroid cancer.
More information about programs and services

Doctors + Care Team

Anastassios G. Pittas, MD, MS

Anastassios G. Pittas, MD, MS

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Accepting New Patients

Virtual Appointments Available

Online Scheduling Available

Title(s): Division Chief and Fellowship Program Director; Co-Director, Diabetes and Lipid Center; Professor, Tufts University School of Medicine
Department(s): Medicine, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-4719

• Efficient, patient-centered care delivery that balances in-person with virtual care and digital connectivity
• Prevention of diabetes
• Diabetes management and prevention of diabetes-related complications
• Diagnosis and management of hypoglycemia
• Vitamin D deficiency

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picture of Andrew S. Greenberg, MD

Andrew S. Greenberg, MD

Title(s): Endocrinologist; Dr. Robert and Veronica Atkins Professor in Metabolism and Nutrition, Tufts University School of Medicine
Department(s): Medicine, Clinical Nutrition, Endocrinology, Diabetes and Metabolism
Appt. Phone:
Fax #:

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Basit A. Jawad, MD

Basit A. Jawad, MD

Accepting New Patients

Title(s): Head and Neck Surgical Oncologist and Clinical Assistant Professor
Department(s): Ear Nose and Throat Otolaryngology, Head and Neck Surgical Oncology
Appt. Phone: 617-636-3030
Fax #: 617-636-1479

Head and neck cancer, sinonasal/skull base tumors, airway surgery, skin cancer surgery, sentinel lymph node biopsy, organ preserving laryngeal and oropharyngeal surgery, transoral laser microsurgery (TLM), transoral robotic surgery (TORS), Thyroid cancer, thyroid nodules and goiters, hyperparathyroidism, fine needle aspiration (FNA) biopsy, cerebrospinal fluid (CSF) leak, facial reconstruction, free flap reconstruction of the head and neck, craniofacial trauma

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Jacqueline T. Kung, MD

Jacqueline T. Kung, MD

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Accepting New Patients

LGBTQ+ Health

Virtual Appointments Available

Online Scheduling Available

Title(s): Director, Thyroid Disease Clinic; Endocrinologist; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-8187

Thyroid disease, neck ultrasound, thyroid nodules, thyroid cancer, thyroid fine needle aspiration biopsy

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Ronald M. Lechan, MD, PhD

Ronald M. Lechan, MD, PhD

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Accepting New Patients

Virtual Appointments Available

Online Scheduling Available

Title(s): Co-Director, Hypothalamic and Pituitary Disease Center; Professor, Tufts University School of Medicine
Department(s): Medicine, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-4719

Hypothalamic disease, pituitary disease, disorders of the thyroid, adrenal disease, islet cell tumors

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Juan Marrero Hernandez, MMS

Juan Marrero Hernandez, MMS

Accepting New Patients

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Title(s): Physician Assistant
Department(s): Endocrinology, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-4719

Diabetes, Osteoporosis/Calcium Metabolism, Hypothyroidism/Hyperthyroidism

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Richard D. Siegel, MD

Richard D. Siegel, MD

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Accepting New Patients

Virtual Appointments Available

Online Scheduling Available

Title(s): Co-Director, Diabetes and Lipid Center; Endocrinologist; Associate Professor, Tufts University School of Medicine
Department(s): Medicine, Clinical Nutrition, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-4719

Diabetes, obesity, inpatient and outpatient diabetes, general endocrinology

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