Our Team

Meet Our Team of Providers

Excellence and experience are at the heart of Tyler Neurosurgical Associates. Our neurosurgeons, nurse practitioners and staff work together to provide exceptional, timely and compassionate care to our patients. We work closely with referring providers to coordinate treatment, maintain clear communication and provide continuity of care throughout each patient’s journey.

Tyler Neurosurgical Associates team members group photo
Mark Renfro neurosurgeon in Tyler, Texas

Mark B. Renfro, MD
Surgeon

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Paul Detwiler neurosurgeon in Tyler, TX

Paul W. Detwiler, MD
Surgeon

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Stephen Nalbach neurosurgeon in Tyler, Texas

Stephen V. Nalbach, MD
Surgeon

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Thomas Gianaris neurosurgeon in Tyler, Texas

Thomas J. Gianaris, MD
Surgeon

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Luis Fernandez neurosurgeon in Tyler, Texas

Luis G. Fernandez III, MD
Surgeon

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Mayra Acord nurse practioner in Tyler, Texas

Mayra A. Acord, AGACNP-BC
Nurse Practitioner

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Kyle Carimi nurse practioner in Tyler, Texas

Kylie B. Carimi, FNP-C
Nurse Practitioner

Learn more about Kylie Carimi