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Meet the Clinical Team Behind High Peaks TMS

Every TMS session at High Peaks TMS is overseen by a board-certified psychiatric provider. Our team combines NeuroStar expertise, military cultural competency, and TRICARE navigation experience.

Clinical Staff
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Medical Director
Dr. Sarah M. Caldwell
MD · Board-Certified Psychiatrist · NeuroStar Certified

Dr. Caldwell is a board-certified adult psychiatrist with fellowship training in neuropsychiatry and over a decade of experience in treatment-resistant depression. She holds certified NeuroStar physician designation and previously provided psychiatric services at the Colorado Springs VA Community-Based Outpatient Clinic. A member of the Clinical TMS Society and the American Psychiatric Association, she oversees all treatment protocols and clinical outcomes at High Peaks TMS.

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Clinical Director & Lead TMS Coordinator
Marcus T. Rivera
PMHNP-BC · Psychiatric-Mental Health NP · US Army Reserve Veteran

Marcus served eight years as a behavioral health officer in the US Army Reserve before pursuing his PMHNP at the University of Colorado Anschutz Medical Campus. He is NeuroStar-certified and administers the majority of TMS sessions at High Peaks TMS. His military background gives him fluency in TRICARE navigation, military culture, and the clinical presentations common among combat veterans and active-duty personnel.

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TMS Technician & Clinical Support
Jennifer L. Park
RN · NeuroStar Certified Technician · USAF Veteran

Jennifer is a registered nurse, certified NeuroStar TMS technician, and United States Air Force veteran with twelve years of mental health nursing experience — including four years at Wilford Hall Ambulatory Surgical Center at Lackland AFB. She administers daily TMS sessions, monitors patient outcomes using validated scales, and coordinates scheduling around military shift work and non-standard schedules.

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Veteran Benefits & TRICARE Navigator
David R. Okafor
MSW · US Army Combat Medic Veteran · VA-Accredited Claims Agent

David served eight years in the US Army as a combat medic before earning his Master of Social Work from Colorado State University. As a VA-accredited claims agent, he manages the complete TRICARE and VA Community Care referral and prior authorization process for every military patient — from PCM coordination through authorization approval and billing. He handles all appeals when initial authorizations are denied.

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Insurance & Prior Authorization Specialist
Amanda K. Chen
CPC · Certified Professional Coder · TMS Billing Specialist

Amanda manages all commercial insurance prior authorization submissions, follow-up, and appeals for non-military patients. With eight years of psychiatric billing experience, she has handled TMS authorization across hundreds of cases at BCBS, Aetna, Cigna, United, and Medicare. She conducts all initial benefit verification calls and provides every prospective patient with a plain-language explanation of their specific coverage before any treatment is scheduled.

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Patient Care Coordinator
Robert J. Whitmore
BA Psychology · Mental Health First Aid Certified · Colorado Springs Native

Robert coordinates the full patient journey at High Peaks TMS — from initial consultation through treatment completion. He manages scheduling across all 36 sessions, liaises with referring providers, administers PHQ-9 and GAD-7 outcome measures throughout treatment, and serves as the primary patient contact. He spent three years with veteran-serving nonprofits in Colorado Springs before joining the clinical team.

NeuroStar Advanced TMS
Certified Provider
VA Community Care Network
Approved Provider
TRICARE
In-Network Provider
Colorado Medical Board
Licensed & Compliant
Clinical TMS Society
Member Clinic

Meet our team in person.

Free consultations at our downtown Colorado Springs clinic. Same-week appointments available.