Programs & Services

ASPIRE | 949-278-1754
Clinical Leadership: Jerry Weichman, PhD

Brain Tumors/Gamma Knife | 949-764-5938, Opt. 4
Physician Leadership: Christopher Duma, MD
Nurse Navigator: Lori Berberet, RN | 949-764-6656

Chemical Dependency | 949-764-5656
Physician Leadership: Steven Ey, MD

Epilepsy | 949-764-8139
Physician Leadership: David Millett, MD
Nurse Navigator: Sheena Dhiman, RN | 949-764-8430

HATC Evening IOP
Physician Leadership: Mario San Bartolome

Headache
Physician Leadership: Ali Makki, DMD, and Philip O’Carroll, MD
Nurse Navigator: Sheena Dhiman, RN | 949-764-8430

Memory & Cognitive Disorders
Physician Leadership: William Shankle, MD

Multiple Sclerosis
Nurse Navigator: Sheena Dhiman, RN | 949-764-8430

Neurobehavioral Medicine
Physician Leadership: Philip O’Carroll, MD

Neurophysiology | 949-764-6066
Physician Leadership: Jason Muir, MD
and Andrew Ly, MD

Neurosurgery Spine
Physician Leadership: Burak Ozgur, MD
Nurse Navigator: Julie Treat, RN | 949-764-6277

Orange County Vital Brain Aging Program
Physician Leadership: William Shankle, MD
Program Coordinator: Celine Keeble | 949-764-6288

Orofacial Pain
Physician Leadership: Ali Makki, DMD
Nurse Navigator: Sheena Dhiman, RN | 949-764-8430

Pain Medicine
Physician Leadership: Medhat Mikhael, MD

Parkinson’s Disease & Movement Disorders
Physician Leadership: Sandeep Thakkar, DO
Nurse Navigator: Julie Treat, RN | 949-764-6277

Pituitary & Skull Base Surgery
Physician Leadership: Robert Louis, MD
Nurse Navigator: Lori Berberet, RN |949-764-6656

Psychiatry
Physician Leadership: Richard Granese, MD | 714-838-5564

Research
Laura Heim, RN | 949-764-8190
Danny Martin, RN

Sleep Disorders | 949-764-8070
Physician Leadership: Jose Puangco, MD

Stroke
Physician Leadership: David Brown, MD
Nurse Navigator: Deborah Mastrolia, RN | 949-764-6183

Physician Leadership

M. Brant-Zawadzki, MD
Executive Medical Director

David Brown, MD
Program Director Stroke/Neurohospitalist Service

Sandeep Thakkar, DO
Program Director, Movement Disorders

Christopher Duma, MD
Program Director, Brain Tumor

Steven Ey, MD
Program Director, Chemical Dependency

Richard Granese, MD
Psychiatry Consult Service Liaison

Robert Louis, MD
Program Director, Pituitary

Andrew Ly, MD
Program Director, Neurophysiology

Ali Makki, DMD
Orofacial Pain Medicine Service

Medhat Mikhael, MD
Program Director, Pain Medicine

David Millett, MD
Program Director, Epilepsy

Jason Muir, MD
Program Director, Neurophysiology

Philip O’Carroll, MD
Program Director, Neurobehavioral Medicine

Burak Ozgur, MD
Program Director, Spine

Jose Puangco, MD
Service Chief, Sleep Disorders

William Shankle, MD
Program Director, Memory Disorders/MCI

Administrative Leadership

M. Brant-Zawadzki, MD
Executive Medical Director

Sheila Porter, MBA, FACHE
Executive Director, Neurosciences | 949-764-8262

Marshall Moncrief
Operations Director, Neurobehavior | 949-764-8109

Monica Figueroa
Executive Assistant | 949-764-5942

Department Management

Lori Zaccari, RN
Director, Advanced Brain & Spine Care Unit | 949-764-5675

Hilary Stagliano, RN
Director, Neuro ICU | 949-764-1402

Alana McMaster
Supervisor, Voltmer Sleep Center | 949-764-5913

Autumn McMaster
Manager, Multi-specialty/Neuro Clinic | 949-764-1444

Mark Glavinic, DPT
Director, Rehabilitation Services | 949-764-5676

Kathy Thomas, RN
Manager, Gamma Knife | 949-764-6077

Tricia Munn, REEG
Manager, Epilepsy/Neurophysiology/IOM | 949-764-4538

Leslie Neinstadt, RN
Manager, Hoag Wound Healing & Hyperbaric Medicine Center | 949-764-5365

Physicians

Neurology, Generalist | Valerie Acevedo, DO

Neurosurgery | Mark Anderson, MD

Neurosurgery | Devin Binder, MD

Neurology, Neurohospitalist, Stroke | David Brown, MD

Neurology, Movement Disorders | Janet Chance, MD

Neurosurgery | Edward Chappell, MD

Radiation Oncology | Peter Chen, MD

Neurology, Memory Disorders | Teryn Clarke, MD

Neurology, Generalist | Bruce Cleeremans, MD

Neurosurgery | William Dobkin, MD

Neurosurgery, Gamma Knife | Christopher Duma, MD

Psychiatry | Richard Granese, MD

Neurosurgery |Jeffrey Gross, MD

ENT/Skull Base | Timothy Kelley, MD

Radiation Oncology | Brian Kim, MD

Neurosurgery, Gamma Knife | Mark Linskey, MD

Neurosurgery | Charles Liu, MD

Neurosurgery, Gamma Knife | William Loudon, MD

Neurosurgery, Pituitary/Skull Base | Robert Louis, MD

Neurology, Neurohospitalist, Neurophysiology | Andrew Ly, MD

Orofacial Pain, Headache | Ali Makki, DMD

Neurology, Epilepsy | David Millett, MD

Neurology, Sleep Health | Robert Moore, MD

Neurology, Neurohospitalist, Neurophysiology | Jason Muir, MD

Neurosurgery | Tien Nguyen, MD

Neurology, Headache | Philip O’Carroll, MD

Neurosurgery | Burak Ozgur, MD

Neurology, Neurohospitalist, Stroke, Sleep | Jose Puangco, MD

Neurosurgery | Muralidhara Raju, MD

Neurologist | Kaveh Saremi, MD

Neurology, Memory Disorders | William Shankle, MD

ENT/Neuro-Otology | Jack Shohet, MD

Neurology, Pediatric Neurology | Diane Stein, MD

Neurosurgery | Peyman Tabrizi, MD

Neurology, Movement Disorders | Sandeep Thakkar, DO

Psychology | Jerry Weichman, PhD