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At Napa Pain Institute, a member of the Neurovations family, we provide comprehensive, compassionate care for chronic pain, tailored to your unique needs. With over 30 years of experience, our expert team offers innovative solutions for conditions like low back pain, knee, hip & joint pain, cancer pain, and more. Contact us today to find relief and reclaim your life.

At Napa Pain Institute, a member of the Neurovations family, we understand that living with chronic pain can be challenging and affect every aspect of your life. Our commitment is to provide comprehensive, compassionate care tailored to your unique needs and to help you reclaim your life. With over 30 years of experience in treating chronic pain, we are dedicated to delivering innovative solutions and personalized treatments to improve your quality of life.

At Napa Pain Institute, a proud member of the Neurovations family, we deeply understand the hurdles of enduring chronic pain. Our mission is to provide compassionate, individualized care tailored precisely to meet your unique requirements, empowering you to reclaim control over your life.

CEO and Founder Dr. Eric Grigsby is an expert in chronic pain and brings the latest in innovation and treatments to the Napa Pain Institute. Dr. Johansson and the team at the Napa Pain Institute are dedicated to pioneering innovative solutions aimed at optimizing your overall wellness.

While pain medication is helpful for some of our patients, we offer many non-medicinal options for the management of pain, including, but not limited to, the treatments listed below. Our physicians are leaders in the field of neuromodulation, which involves the electrical stimulation of the central nervous system to help manage pain and other chronic conditions.

We are committed to “whole patient health care,” and in addition to the advanced pain therapies we offer, we work with many patients on nutrition, exercise, physical therapy and other health and wellness programs.

"At the Napa Pain Institute, our mission is simple: to provide unparalleled patient care, driven by compassion, innovation, and a relentless commitment to improving lives."

"Your journey towards pain relief begins with us understanding your individual experience.  At Napa Pain Institute, we take the time to listen, assess, and develop personalized treatment plans that address the root cause of your pain. Our goal is to improve your quality of life."

“She changed the quality of my life so drastically and in such a positive way I can honestly tell people that she and Napa Pain Institute changed my life.”

“I highly, highly recommend Napa Pain Institute for anyone dealing with chronic or acute pain. They will find you a solution. And they are all wonderful.

Neurovations, a patient care and innovation company, was founded in 1992 by CEO Dr. Eric Grigsby. We are a national leader in medical device and pharmaceutical innovation, clinical research, and a world-class education program focusing on pain and neuroscience. Dr. Grigsby is deeply connected to the healthcare community through our non-profit HealthRoots Foundation.

Danielle Pense serves as the Facilities Manager at the Napa Surgery Center, where she brings her expertise in facility management and operations to ensure the smooth functioning of the operating room and surgery center. Danielle is dedicated to maintaining a safe, efficient, and welcoming environment for patients, staff, and visitors. She assists in surgery with a focus on instrument sterilization. Danielle is also the technical manager for ultrasound, EKG and X-ray.

Other responsibilities include overseeing maintenance, safety protocols, and regulatory compliance to uphold the highest standards of facility operations. Known for her proactive approach and attention to detail, Danielle plays a crucial role in optimizing the functionality, efficiency and appearance of the Napa Surgery Center. She remains committed to delivering excellence in facility management to support the center’s mission of providing exceptional surgical care to patients.

Darla Harrison serves as the Chief Operating Officer (COO) of Neurovations and Napa Pain Institute, bringing extensive expertise in healthcare management and operations to her role. With a proven track record of strategic leadership and operational excellence, Darla oversees the day-to-day operations of all business divisions, ensuring seamless coordination and alignment with strategic objectives.

Her commitment to optimizing patient care, fostering innovation, and driving organizational growth has been instrumental in advancing Neurovations and Napa Pain Institute’s mission to deliver cutting-edge treatments and compassionate care in the field of pain management. Darla has been with Neurovations for thirty years and is dedicated to enhancing healthcare delivery and outcomes for patients across the continuum of care.

Hilary Cromwell, RN, brings a wealth of expertise and dedication to her role as Nurse Manager at the Napa Surgery Center. With a background in nursing spanning over ten years, Hilary exemplifies a commitment to excellence in patient care and clinical leadership. Her role entails overseeing the nursing staff, ensuring adherence to best practices, and maintaining the highest standards of patient safety and satisfaction.

Known for her compassionate approach and meticulous attention to detail, Hilary plays a pivotal role in facilitating smooth operations and positive patient experiences at the Napa Surgery Center. She holds a Bachelor’s degree in Nursing and remains dedicated to ongoing professional development to uphold the center’s reputation for exceptional care and outcomes.

Kristine Fields brings over a decade of experience in healthcare administration to her role as Clinic Manager at the Napa Pain Institute. With a passion for delivering exceptional patient care and optimizing operational efficiency, Kristine oversees all aspects of clinic operations, from scheduling and patient relations to staff management and regulatory compliance.

Known for her strong leadership skills and dedication to excellence, Kristine collaborates closely with the medical team to ensure that every patient receives personalized and compassionate care. She is committed to staying abreast of the latest developments in pain management to provide the highest level of service to patients at the Napa Pain Institute.

Gordon Iwasaki is a physician assistant with over twenty years of experience. He began his career in orthopaedics and industrial medicine. He has been working in pain management over the past seven years.

Mr. Iwasaki was raised in South San Jose and attended UC San Diego for his undergraduate degree. Later, he attended Charles Drew University in Los Angeles for his physician assistant studies and obtained his master’s from University of Nebraska. He has been residing throughout Southern California in Los Angeles, Riverside, and San Diego counties. He returns to Northern California to be closer to his family.

We welcome Helen Cheung to the Napa Pain Institute as aPhysician’s Assistant. Helen is a graduate of the Betty Irene Moore School of Nursing at UC Davis, and has a Bachelor of Science in Nursing from the University of Wisconsin-Madison. She is also certified in BLS and Adult ACLS. Her past education includes a Wisconsin State RN license, which she held until February 2021, and adult ventilator certification until 2020.

Dr. Johansson comes to us as a fellowship-trained and board-certified pain management specialist with nearly a decade of experience. She completed her fellowship training at Walter Reed National Military Medical Center in Bethesda, MD where she then became the associate program director of the pain medicine fellowship and an assistant professor of military and emergency medicine. She graduated from the Virginia Commonwealth University School of Medicine in Richmond, Virginia, was Pre-medicine at San Diego State University, and received her BSN from Marquette University in Milwaukee, Wisconsin.

Her breadth of experience comes from a full career of serving in the United States Navy where she was the recipient of multiple academic and military service awards including a Meritorious Service Medal, three Navy Commendation Medals, and numerous other individual, unit, and campaign awards. She has multiple published works and is the founding member of a military Pain Medicine Special Interest Group with the American Society of Regional Anesthesia.

In her free time, Dr. Johansson enjoys traveling, is newly married, loves dogs, and enjoys cooking and baking, as well as other creative pursuits. She has a particular interest in advanced procedural techniques for chronic pain relief and the effects of lifestyle on pain and healing. She looks forward to continuing our mission of providing our patients with the best care, every day.

After graduating from Boston University Medical School in 1984, Dr. Grigsby trained in General Surgery, Anesthesiology, and Pain Management at the Mayo Clinic in Rochester, Minnesota. He was invited to join the Medical Staff and teach at the Mayo Medical School until moving to California in 1989. The Dean of the University of California at Davis Medical Center then invited Dr. Grigsby to establish their first Pain Management Center, where he served as Medical Director until 1992. Following his post at UC Davis, Dr. Grigsby established his private Pain Management practice in Napa, California.