Who We Are


NorCal Neurostimulation is dedicated to providing support to individuals in the Folsom-Sacramento area suffering from mental health disorders. We offer in-person appointments to provide personalized treatment plans for you.

Our Team

Dr. Marasa, double board-certified psychiatrist at NorCal Neurostimulation

Lauren Marasa, MD

Interventional Psychiatrist

Founder and CEO

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Dr. Voronina, board-certified psychiatrist at NorCal Neurostimulation

Ksenia Voronina, MD

Interventional Psychiatrist

Founder and CFO

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Dr. Marasa, double board-certified psychiatrist at NorCal Neurostimulation

Erica Tidiane, PMHNP

Psychiatric Mental Health

Nurse Practitioner

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Dr. Voronina, board-certified psychiatrist at NorCal Neurostimulation

Xiaofeng (Jasmine) Yan, MD, PhD

Interventional Psychiatrist



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Matilda Fritz, TMS therapy coordinator and technician

Matilda Fritz

Practice Manager

TMS Coordinator

Lead TMS Technician

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Rachel Ertassi, Esketamine SPRAVATO coordinator

Rachel Ertassi

Esketamine Coordinator

Medical Assistant

TMS Technician

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Raylene Unutoa

Patient Care Coordinator

TMS Technician

Esketamine Technician

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Rachel Ertassi, Esketamine SPRAVATO coordinator

Samantha Reyes

TMS Coordinator

Medical Assistant

TMS Technician

A smiling person with long, wavy brown hair wearing a black ruffled-sleeve shirt against a plain beige background.

Jessica Putty

Patient Care Coordinator

TMS Technician

Esketamine Technician