Welcome to
Temecula Valley Neurosurgery
Your Path to Healing Starts Here—with the Region’s Most Respected Neurosurgical Team
Who we are
A Team That Provides State-of-the-Art and Comprehensive Spinal and Cranial Care
Established in 2013, Temecula Valley Neurosurgery is the largest private practice of board‑certified neurosurgeons in Southwest Riverside County. With over 50 years of combined experience, our team offers advanced expertise in treating a wide range of brain and spine conditions. Utilizing state‑of‑the‑art imaging and minimally invasive, computer‑assisted techniques, we are dedicated to delivering precision, safety, and exceptional outcomes—always with compassionate, personalized care.
Our team includes board‑certified neurosurgeons Dr. Bret Abshire, Dr. Daniel Friedlich, and Dr. Gerald Oh, supported by highly trained advanced practice providers. Physician Assistants Michelle Lancaster and Arianna Arroyo are certified by the American Academy of Physician Assistants, and Nurse Practitioner Tracey Anderson holds dual board certifications in neuroscience nursing and advanced practice. Together, they uphold the highest standards of neurosurgical care while contributing to the advancement of new and improved treatments.
Our Mission
Our mission is to provide excellence in the treatment of complex spine and brain disorders with an emphasis on patient care, patient privacy, and wellness.
Our Providers
- Dr. Bret Abshire, MD FAANS
- Dr. Daniel Friedlich, MD FAANS
- Dr. Gerald Oh, MD FAANS
Tracey Anderson, CNRN, ACNP, FNP
Michelle Lancaster, PA-C
Arianna Arroyo, PA-C
What We Do
Conditions and Disorders Treated
Low Back Pain
Spinal pain in the low back is one of the most common reasons why patients go see their primary care physicians.
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Spinal Stenosis
Stenosis means narrowing of the canal which contains either the spinal cord or nerves attached to the spinal cord.
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Hydrocephalus
Hydrocephalus is a condition where there is an abnormal amount of fluid in the brain.
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Brain Tumor
Surgery is often required after an MRI demonstrates the presence of a brain tumor.
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Pituitary Tumor
The pituitary is an extension of the brain which releases hormones to the rest of the body.
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Head Trauma
Many patients are admitted to the hospital with head injuries and require an evaluation by a neurosurgeon.
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Spinal Trauma
Some patients also have spinal injuries which need to be addressed once the head injury has been resolved.
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Metastatic Disease
Most cranial metastases are silent, and are diagnosed after a metastatic workup for cancer.
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