The Team
Joshua Elan Kuluva, MD - Neurologist and Psychiatrist, President of Piedmont Neuroscience Center, Director of TMS and TBI Programs
Dr. Kuluva is a Board-Certified neurologist and psychiatrist with a strong academic and research background. Dr. Kuluva earned his B.A, at U.C. Berkeley with honors, attended the Sackler School of Medicine, then completed a six-year combined residency in psychiatry and neurology at NYU. Following his residency, he did a one-year research fellowship in Traumatic Brain Injury at the Mount Sinai School of Medicine and the Bronx VA.
Before creating Piedmont Neuroscience Center, Dr. Kuluva was the Director of the Neurology Division at Mindful Health Solutions where he helped to train UCSF residents and created a program designed to explore the use of TMS for neurologic conditions. As well, he has served as the Chief of Neurology at Alta Bates Medical Center in Berkeley, CA. Dr. Kuluva was also the Co-Director of the Traumatic Brain Injury Clinic at Northbay Hospital.
Dr. Kuluva has a specialty in the treatment of the post-concussive syndrome/chronic traumatic brain injury and has worked closely with both athletes and the general population who are coping with the neuropsychiatric aspects of this condition. Similarly, he has worked with veterans to take care of both the physical and emotional components of their injuries.
Throughout his career, Dr. Kuluva has been active in medical education, teaching at NYU School of Medicine, UCSF/UC Berkeley Joint Medical Program and Touro University College of Osteopathic Medicine. He has published in both the neurologic and psychiatric literature. He is passionate about seeking leading-edge therapies for treatment-resistant neurologic and psychiatric conditions. Currently, he continues exploring the use of transcranial magnetic stimulation, TMS, to treat neurological conditions such as mild cognitive impairment, chronic pain, migraines, traumatic brain injury, as well as aid in post-stroke recovery.
Angelique Tremble, PA-C
Angelique is a dedicated and compassionate physician assistant at Piedmont Neuroscience Center. With a strong background in patient care and clinical practice, Angel brings her expertise and enthusiasm to our team, specializing in providing comprehensive support for patients managing complex neurological and psychiatric conditions. She has developed an expertise in medication management, Transcranial Magnetic Stimulation (TMS) and Traumatic Brain Injury (TBI).
Angel earned her Physician Assistant degree and has extensive experience working in diverse healthcare settings from operating rooms to urgent care clinics. Prior to joining Piedmont Neuroscience Center, she played an integral role in patient education and wellness initiatives, empowering individuals to take charge of their health. Her commitment to patient-centered care aligns with our mission to provide exceptional, personalized care.
At Piedmont Neuroscience Center, Angel focuses on collaborating with our multidisciplinary team to deliver innovative treatments and support for her patients. She is passionate about ensuring patients feel informed and confident in their treatment plans.
Outside of work, Angel enjoys connecting with her community through health education events and staying active with outdoor activities. Her warm and approachable demeanor makes her a trusted partner for patients and families navigating complex neurological and psychiatric issues.
We are thrilled to have Angel as part of our care team, bringing her dedication to enhancing the lives of our patients every day.
Andrew Valadez, PA-C
Andrew Valadez is a NCCPA Board Certified Physician Assistant (PA-C) with a strong academic and research background in neurology and psychiatry. Andrew double majored at UC San Diego in Biology: Physiology & Neuroscience and Psychology with a Specialization in Human Health. He went on to complete his Master's in Biology at UC San Diego focusing on platelet physiology. Andrew's passion for healthcare was founded through research and patient care in a psychiatry clinic focused on novel interventions for patients, including transcranial magnetic stimulation.
Andrew further developed his skills at Dominican University of California in San Rafael getting his Master's in Physician Assistant Studies. Since graduating Andrew has worked with PNC since 2023 practicing in neurology and psychiatry.
Outside of the clinic, you may find Andrew cheering/sulking for one of his sports teams, tinkering with his latest gadgets, or hiking/skiing throughout California.
Fletcher Munksgard, NP
Fletcher Munksgard is a Family Nurse Practitioner with a master’s degree from Samuel Merritt University. He has been in practice for going on 9 years now, in fields ranging from primary care, worker’s comp, and emergency medicine. He was also previously the ultrasound program director and one of the medical directors for Carbon Health. He left his previous position in 2023 to start his own functional medicine practice where he sees and treats patients with all kinds of chronic conditions, including Lyme disease.
His work at PNC includes physical therapy and regenerative modalities for musculoskeletal and neurological injuries and conditions, as well as IV ketamine therapy.
Sam Mohammed, Patient Care Navigator & TMS Technician
Sam is an experienced TMS Technician with over five years of expertise working with advanced neuromodulation systems, including MagVenture, NeuroStar, BrainsWay, and Nexstim. He studied psychology at UC Berkeley, where he developed a strong foundation in mental health. Sam combines his academic knowledge with technical skills to provide compassionate care to patients.
Outside of work, Sam enjoys visiting local bookstores, spending time in nature, and cheering on the Golden State Warriors.
Michelle Von Wiedenfeld
Michelle has a wealth of experience in healthcare, with over 12 years spent providing compassionate and high-quality care to her patients. As a certified TMS and Shockwave therapy provider, she applies her extensive expertise to offer the best treatment options for her patients.
Beyond her professional life, Michelle is a dedicated mother of four, deeply involved in her children's activities, especially as a soccer mom. In her free time, she enjoys the thrill of horror movies and has an adventurous spirit, always seeking new experiences to explore and enjoy.
Melina De Leon - Patient Care Coordinator
Sarah Rose Rothman, MPAS, PA-C, CAQ-Psy
Sarah is a dedicated and highly motivated Psychiatric Physician Assistant with a deep curiosity for the intricate connections between the mind, body, and emotions. She believes in a holistic approach to mental health, recognizing that each individual's unique presentation shapes their journey. Committed to continuous learning, she stays updated on the latest research to provide evidence-based, comprehensive care.
Sarah earned her Master of Physician Assistant Studies (MPAS) from Idaho State University, where she conducted a capstone project on Attention-Deficit/Hyperactivity Disorder in the Adult Patient. She then completed a 12-month Behavioral Health Physician Assistant Fellowship at Pacific University, gaining advanced training in Addiction Medicine, Psychiatric Emergency Services, Inpatient Psychiatry, and Community Outpatient Behavioral Health.
With a compassionate and empathetic approach, Sarah strives to create a safe, non-judgmental space for open communication, fostering strong therapeutic relationships. Before joining Piedmont Neuroscience Center, she practiced at Vital Total Health Medical Group, specializing in behavioral health, addiction medicine, and chronic pain management. She worked extensively with patients requiring medication-supported recovery, ketamine infusion therapy, and neurocognitive assessments, developing personalized treatment plans that address each patient's unique needs.
She collaborates with interdisciplinary clinicians and actively advocates for the integration of psychological and physiological wellness. Her expertise extends beyond traditional psychiatric care, recognizing the intrinsic link between mental and physical health.
Committed to professional growth, Sarah has earned certifications in addiction psychiatry, pain management, and advanced life support. She remains dedicated to empowering patients through personalized treatment, resilience-building, and self-care strategies, helping them navigate their mental health journeys and lead fulfilling lives.
Edie Zusman, MD - Neurosurgeon, Director of Spine Program and Traumatic Brain Injury Research
Dr. Zusman brings her expertise in brain and spine evaluation and care to the Piedmont Neuroscience Center after leading the Mayo Clinic Network Affiliated NorthBay Traumatic Brain and Concussion Center and Multidisciplinary Spine Program. Her collaborative approach with patients and their families is consistent with her nationally recognized expertise in healthcare and public health emphasizing holistic/whole body wellness and prevention.
Dr. Zusman started medical school at the age of 19 in the Northwestern University Honors Medical Program. She completed Internship and Neurosurgery Residency at UC Davis and did additional training and research at UCSF in Molecular Medicine, Epilepsy and Brain Mapping. As a UC Davis faculty member, Dr. Zusman received top awards for her research, and was named Physician of the Year by the nurses and staff. She was the first female neurosurgeon on the prestigious Board of Directors of the American Association of Neurological Surgeon.
Her clinical research presented at Stanford, identified neurologic injuries due to unrecognized concussions resulting from domestic, partner and family violence, and she currently leads the effort to promote concussion screening through the non-profit she founded SafeLivingSpace.org. At Northbay, leveraging the Mayo Clinic relationship, Dr. Zusman initiated models for multidisciplinary patient centered care with a telehealth gateway, making NorthBay a regional destination for Neuroscience care.
In addition to her role as Director of TBI and Concussion Research, Dr. Zusman leads a team of spine experts to provide integrated personalized care for patients with neck and back pain through the PNC Spine Center.
