Our Team

Pacific Eye, Ear and Skull Base Center Specialists

Expertise, collaboration and innovation are essential in providing the best possible care for patients with brain, skull base and pituitary tumors.

We have a highly experienced team of national and international experts who work closely together from diagnosis to treatment. We care for eye, ear, nose throat and skull base conditions.

Directors: Dr. Chester Griffiths & Dr. Howard Krauss

Eye, Ear & Skull Base Specialists

Abbas A. Anwar, MD

ENT Surgery

David M. Butler, MD

ENT Surgery Plastic & Reconstructive Surgery

Chester F. Griffiths, MD

ENT Surgery PNI Founder

Amit Kochhar, MD

ENT Surgery Facial Nerve Plastic & Reconstructive Surgery

Howard R. Krauss, MD

Eye Neuro-ophthalmology PNI Founder

Rebecca Lewis, AuD

Audiology

Omid Mehdizadeh, MD

ENT Surgery Voice & Swallowing

Courtney Voelker, MD, PhD (DPhil Oxon)

Ear ENT Surgery

Evan S. Walgama, MD

Head & Neck Surgical Oncology

Olivia Doyle, PA-C, MPAP

ENT Surgery

Carol Park, MS, MA, CCC-SLP

Speech-Language Pathology

David Barrientos

Janette Guzman

Kristina Krehbiel

Marilou Loreto

Veronica Miranda

Efren Pakingan

Ana E. Rodriguez

Rosangelica Rodriguez

Jacqueline Viscarra

Meet Our Team

Meet Dr. Griffiths Dr. Griffiths, MD, FACS, is board certified in Otolaryngology, Head and Neck Surgery and Facial Plastic and Reconstructive Surgery. He has an extensive 25 year experience in endoscopic endonasal sinus… Meet Dr. Howard R. Krauss Meet Dr. Abbas Anwar Dr. Abbas Anwar, a native of Southern California, is a board-certified otolaryngologist – head and neck surgeon, at the Pacific Eye, Ear & Skull Base Center at Pacific Neuroscience Institute.… Meet Dr. David Butler Dr. David M. Butler is board certified both by the American Board of Facial Plastic and Reconstructive Surgery and the American Board of Otolaryngology. Affiliated with Providence Saint John’s Health… Meet Dr. Amit Kochhar Dr. Amit Kochhar, MD, is double board-certified in Otolaryngology, Head and Neck Surgery and Facial Plastic and Reconstructive Surgery. He is the director of the Facial Nerve Disorders Program at… Meet Dr. Rebecca Lewis REBECCA LEWIS, AuD Audiology Director, Adult & Pediatric Cochlear Implant Program; Audiologist Dr. Lewis is a board certified audiologist focusing on adult and pediatric patients. An avid clinician, educator, and… Meet Dr. Omid Mehdizadeh Dr. Omid B. Mehdizadeh, MD, is an Otolaryngology, and Head & Neck (ENT) surgeon. Working with colleagues in the Pacific Eye, Ear & Skull Base Center at Pacific Neuroscience Institute,… Meet Dr. Courtney Voelker COURTNEY C.J. VOELKER, MD, PhD Director, Otology/Neurotology-Lateral Skull Base Surgery; Director, Adult & Pediatric Cochlear Implant Program Dr. Voelker is an otolaryngology – head & neck surgeon who takes care… Meet Dr. Evan Walgama Evan Walgama, MD is a board-certified Otolaryngologist – Head & Neck / ENT Surgeon at the Pacific Eye, Ear & Skull Base Center at Pacific Neuroscience Institute, Santa Monica. His…

Meet Dr. Griffiths

Meet Dr. Howard R. Krauss

Meet Dr. Abbas Anwar

Meet Dr. David Butler

Meet Dr. Amit Kochhar

Meet Dr. Rebecca Lewis

Meet Dr. Omid Mehdizadeh

Meet Dr. Courtney Voelker

Meet Dr. Evan Walgama