Dr. Alexander Rivero

Dr. Patrick Ha is chief of the UCSF Division of Head and Neck Surgical Oncology. His expertise in patient care covers the full scope of head and neck surgery, with a focus on thyroid and parathyroid surgery as well as endoscopic approaches to throat cancer surgery. Ha's research is currently focused on molecular changes that occur in adenoid cystic carcinoma of the salivary gland. Ha received an undergraduate degree in biology from Harvard University, graduating magna cum laude. He obtained his medical degree from Johns Hopkins School of Medicine, graduating with membership in the Alpha Omega Alpha Honor Medical Society. He then completed his residency training and a postdoctoral fellowship at the otolaryngology department of Johns Hopkins, along with advanced fellowship training in head and neck oncologic surgery. Ha serves on the editorial board of several medical journals, including Oral Oncology. He is the Irwin Mark Jacobs and Joan Klein Jacobs Distinguished Professor in Head and Neck Cancer. Dr. Ha is highly rated in 20 conditions, according to our data. His clinical expertise encompasses Adenoid Cystic Carcinoma, Salivary Gland Tumors, Tongue Cancer, Gastrostomy, and Laryngectomy. Dr. Ha is board certified in American Board Of Otolaryngology, Otolaryngology. Dr. Ha is currently accepting new patients.

Dr. Ivan H. El-Sayed is a head and neck cancer surgeon. He specializes in treating benign and malignant lesions of the salivary glands, paranasal sinuses and skull base. El-Sayed's research interests include examining the value of sentinel node biopsy (a procedure to check whether cancer has spread) for head and neck cancer. He also is investigating potential uses of lasers and nanoparticles for diagnosing and treating cancer. El-Sayed earned his medical degree and completed a residency in otolaryngology at Boston University School of Medicine. He completed a fellowship in head and neck oncology at UCSF. Dr. El-Sayed is highly rated in 21 conditions, according to our data. His clinical expertise encompasses Olfactory Neuroblastoma, Sinus Cancer, Teratocarcinosarcoma, Endoscopy, and Turbinectomy. Dr. El-Sayed is board certified in American Board Of Otolaryngology, Otolaryngology. Dr. El-Sayed is currently accepting new patients.

Peter Hwang is an Otolaryngologist practicing medicine in Stanford, California. Dr. Hwang is highly rated in 30 conditions, according to our data. His clinical expertise encompasses Sinusitis, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Nasal Polyps, Septoplasty, and Endoscopy.