Our Educators
Experts in Pain Management

W. Keith Barnhill
PhD, CRNA, ARNP
Dr. Barnhill has practiced pain management and nurse anesthesiology for over 30 years. He received his Master’s in Health Science from the Texas Wesleyan/U.S. Army Graduate Program in Anesthesia Nursing 6F-66F and earned his Doctorate in Nursing Education from Capella University. His primary work is clinical pain management and pain education since 2001. He has published in the AANA Journal, Journal of Nursing, and authored several clinical practice and education programs on fluoroscopic radiation safety and Nonsurgical Pain Management (NSPM).
- Adjunct Clinical Faculty and Clinical Site for NSPM Fellowship
- Owner Premier Pain Management Externship in NSPM
- AANA Subject Matter Expert as part of CMS Multi-Jurisdictional Contractor Advisory
- Committees (CAC)
- Member of the Iowa Board of Nursing Advanced Practice Committee
- Diagnosis and Management for Chronic Pain-Related Disorders
- Pharmacological and Non-Pharmacological Pain Management
- Fluoroscopic-Guided Regional and Spinal Interventions

Lisa Pearson
DNAP, CRNA NSPM-C, DAAPM
Lisa Pearson is a renowned authority in pain management and anesthesia, boasting over 30 years of diverse experience.
As the owner of Arcanum Medical Spa, the Center for Regenerative Medicine, and Metamorphosis Pain Management, she leads with a commitment to excellence, driving innovative treatments in aesthetics, wellness, pain management, and regenerative therapies.
Her extensive background, enriched by military service and anesthesia care across various settings, underscores her significant contributions to clinical practice, academic leadership, and cutting-edge research.
Lisa’s pioneering work in interventional pain management and medical education has established new benchmarks in patient care and professional training, making her a sought-after expert in her field.