PNI Medical Team

Overview | Location and Contact | Insurance | Frequently Asked Questions About Dr. David Merrill About Dr. David Merrill David A. Merrill, MD, PhD, is a double-board certified adult and geriatric psychiatrist and neuroscientist. He is director of the Pacific Brain Health Center (PBHC) at...

Olivia Doyle is a certified physician assistant providing patient care with Chester Griffiths, MD, FACS at the Pacific Eye, Ear & Skull Base Center. She is involved in all aspects of treatment including consultations, follow up visits, management of treatment, imaging/lab review, and patient education. She completed her...

Donna brings over 30 years of experience in managed health care consulting and management to health care organizations nationwide. Before establishing her own consulting practice, Donna who is now retired, was a senior member of the national health care consulting groups of Towers Perrin and...

Mary has lived on the Westside since 1986 after moving here from the East Coast. She and her husband, Jay, have three children, a married son and daughter in Chicago and a married daughter in Dallas. Both daughters were born at Saint John’s Health Center....

Donna F. Tuttle previously served as the chair of the Saint John’s Health Center board of directors and was the past chair of the Foundation board of trustees. She has been a Saint John’s Health Center Foundation Trustee since 1994. She owns minor league sport...

Carole Schwartz  is a member of Schwartz-Mei Group in Santa Monica, California, which manages private real estate investments. Carole spent her professional career as a tax consultant/real estate tax partner with Arthur Andersen and KPMG LLP until her retirement from KPMG in 2002. She has...

Jae Goodman is Chief Creative Officer and Co-Head of CAA Marketing, a division of leading entertainment and sports agency, Creative Artists Agency (CAA). CAA Marketing provides corporate clients with strategic and creative solutions that leverage the power of popular culture to build brands and drive...

As a medical illustrator and animator, Josh Emerson is a professional artist with advanced education in both the life sciences and visual communication. Collaborating with scientists, physicians, and other specialists, he transforms complex anatomical information into visual images that have the potential to communicate to...

Overview | Location and Contact | Insurance | Frequently Asked Questions About Dr. Sivakumar Walavan Sivakumar, MD, FAANS, is a fellowship-trained and board-certified neurosurgeon specializing in complex cranial surgery, with a focus on minimally invasive and endoscopic techniques. He provides treatment for tumors of the...

Sheri Palejwala. MD, completed her undergraduate studies in Biology and Neuroscience at the University of California, Los Angeles, and obtained her medical degree from Saint Louis University School of Medicine. She then finished a residency in neurological surgery at the University of Arizona where she...