Mark I. Zeme, M.D.
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“He took a great deal of time and was amazingly gentle ...  If you have kids, send them to Dr. Zeme. My 8-year-old absolutely loves him.” —Parent of
“I was in a lot of pain and I felt like my head was constantly under water. Dr. Zeme was terrific. His manner was completely professional and my experience
with him as my physician was first rate. I would recommend Dr. Zeme anytime.” —Patient



Castro Valley, East San Francisco Bay Area Ear Nose & Throat Doctor

Dr. Zeme's ear, nose and throat practice is located in Castro Valley, an unincorporated community in Alameda County, in the East San Francisco Bay Area. Castro Valley is one of the most populous unincorporated areas in California, lying south of Lake Chabot east of San Leandro. north of Hayward, and west of San Ramon, Dublin and Pleasanton. The San Leandro Hills extend along the northeastern edge of this largely residential community, where Joseph Eichler built many of the approximately 10,000 homes he built in the San Francisco Bay Area. Notable residents of Castro Valley at Matt Biondi, winner of 11 Olympic medals, actor Mike Carlucci, baseball player Jason Castro and Rachel Maddow, television and radio anchor and political analyst.

Dr. Mark Zeme, Otolaryngology Specialist

Mark Zeme, M.D. is a board-certified otolaryngologist and head and neck surgeon, specializing in medical treatment and surgery of the ear, nose, sinuses, and throat. He completed his residency in Otolaryngology/ Head and Neck Surgery at the University of California, San Francisco, and was designated a fellow of the American Academy of Otolaryngology/Head and Neck surgery.

pediatric ENT patientPediatric Ear Nose and Throat Care

Dr. Zeme sees patients of all ages, including children at his Castro Valley office. He performs surgeries at Eden Medical Center, both Castro Valley and San Leandro campuses, where he served as the section chair of the division of otolaryngology for 10 years. He is a member of Children’s First Medical Group and the medical staff at Children’s Hospital, Oakland where he specializes in pediatric ENT surgeries.