PA Brain & Spine Institute accepts most major insurances including Aetna, Cigna, Highmark, United, and UPMC Health Plans.
PA Brain & Spine Institute accepts most major insurances including Aetna, Cigna, Highmark, United, and UPMC Health Plans.
PA Brain & Spine Institute Logo
PA Brain & Spine Institute Logo
Butler/Seneca/Indiana: 1 (855) 365-7274



We treat stroke, neuralgia, tumors, aneurysms and many other conditions. Our areas of service range from conventional surgery to minimally invasive techniques such as thrombolysis, embolization, microvascular decompression and stenting.

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Back injury or disease can be a daunting and painful ordeal. At PBSI, our leadership in neurological spine surgery can guide you compassionately through the choices you face. Our treatment areas range from spinal abnormalities to oncology, trauma, pain relief and general neurosurgery.

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We are the most experienced endovascular neurosurgeons in Western Pennsylvania. Our full range of services includes vascular neurology/neurosurgery, stroke, facial pain syndromes, hemifacial spasm, brain tumors and hydrocephalus.

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About PBSI

The Pennsylvania Brain and Spine Institute (PBSI) is a comprehensive neurosurgical center dedicated to the surgical and non-surgical management of diseases and injuries involving the central and peripheral nervous systems. Comprised of board certified and fellowship trained surgeons and neurologists, the PBSI offers expertise in the treatment of brain, spine, and neurovascular abnormalities. Our surgeons, nurses, physician assistants and staff are dedicated to the goal of helping our patients and their families through difficult times so that they may enjoy the future to its fullest potential.

Our Providers

Michael Bruce Horowitz, MD, FAANS

Specialized Areas of Interest

Spinal and Cranial Neurosurgery, Endovascular Surgery, Stroke Management, Vascular Surgery, Microvascular Decompression, Tumors, Hydrocephalus, Occipital Neuralgia, Carotid Stenting, Aneurysm Treatment.


Richard Marc Spiro, MD, FACS, FAANS

Specialized Areas of Interest

General Neurosurgery, Spinal Abnormalities, Oncology, Spinal Tumors, Revision Spinal Surgery, Complex Spine, Peripheral Nerve Surgery, Carpal Tunnel Surgery, Ulnar Surgery.


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Recognized by

American College of Surgeons

American Board of Neurological Surgery

International College of Surgeons

Top 100 Spine Specialists

National "Best Doctors" List

Pittsburgh Magazine Best Doctors 2016
Pittsburgh Magazine Best Doctors 2015
Pittsburgh Magazine Best Doctors 2014
Pittsburgh Magazine Best Doctors 2013

At Long Last, Pain Relieved

Butler Eagle - August 4, 2015

Read the article.

Dr. Horowitz on Let's Talk on WISR Radio 680 - December 19, 2013
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Dr. Horowitz discusses strokes on Health Connection - WISR Radio 680
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A Neurosurgeon's High-Stakes Game of Hide-and-Seek

A delicate surgery could stop a woman's
crippling pain from trigeminal neuralgia —
or threaten her life.

Read the article. Click for Video