His primary areas of focus are thyroid cancer and head and neck melanoma surgery. More broadly, he offers surgery for thyroid/parathyroid diseases, and cutaneous & aerodigestive tract malignancies of the head & neck. For endocrine patients, his practice offers comprehensive management of thyroid nodules, multinodular goiters, recurrent and locally advanced thyroid cancers, and parathyroid diseases. For melanoma patients, his care includes melanoma excision, sentinel lymph node biopsy, neck dissection, and expedited aesthetic closure by UCSF facial plastic surgeons. His practice encompasses surgical treatment of all head and neck cancers, including upper aerodigestive tract malignancies such as throat/larynx cancers and oral cavity cancers.