Our Team
Clinicians who understand the firehouse.
Our medical team combines cardiology, oncology, and behavioral-health expertise with direct first-responder experience. Every member has spent time on the engine, on the line, or in the ER triaging the crews coming off it.
Active Medical Roster — 2026
Dr. Andre Castillo
Leadership
Dr. Marcus Halloran
Cardiology
Dr. Sarah Whitford
Oncology
Dr. Lena Park
Behavioral Health
Medical Staff
Four disciplines.One program.
Four disciplines. One integrated program. Built for the specific exposures of structural firefighting.
Founder & CEO
Dr. Andre Castillo
Former battalion chief turned physician. Built Interceptor after losing two crew members to undiagnosed cardiac disease within the same year.
Medical Director, Cardiology
Dr. Marcus Halloran
Board-certified cardiologist, former NYC EMS. Lead author on three peer-reviewed studies of occupational cardiovascular risk in structural firefighters.
Oncology & Risk Assessment
Dr. Sarah Whitford
Medical oncologist with a clinical focus on firefighter-specific cancers. Adjunct researcher with the IAFF Cancer Project.
Founder
We built Interceptor after losing two crew members to undiagnosed cardiac disease within the same year. Both passed their last physical. Both were cleared for duty. That is not a screening failure — that is a screening ceiling. We are here to raise it.
Dr. Andre Castillo
Founder & CEO — Former Battalion Chief
Read our storyDeployment
The diagnostics come to you.
Our mobile diagnostic units carry the same imaging, lab capability, and clinical review you would expect from a major cardiac center. We roll directly to the station, schedule around your rotation, and cover the entire crew — without pulling anyone off line.
Schedule a Station VisitCardiology
3×
peer-reviewed publications on firefighter cardiovascular risk
Oncology
10+
cancer types screened, matched to firefighter exposure profiles
Behavioral Health
100%
of intake includes PTSD, sleep, and substance-use screening
Get Ahead of It