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Cardionet, LLC
PO BOX 508
Malvern, PA 19355

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Call to make payment: 877-837-6027 M-Th 8AM-6PM, Fri 8AM-5PM, Sat 9AM-2PM Eastern Standard Time.



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Scientific Leadership

Timothy Callahan, PhD

Timothy Callahan, PhD

VP, Scientific Affairs

Dr. Timothy Callahan, PhD is the VP of Scientific Affairs for BioTel Research. He brings over 30 years of clinical research expertise to the position; including conducting research in Silent Myocardial Ischemia at the National Institutes of Health in Bethesda, Maryland. An expert in diagnostic testing, Dr. Callahan co-authored 2 patents in QT interval analysis and a patent in dynamical systems modeling of ECG data. He has authored and co-authored many abstracts and publications as well as serving as the moderator for three FDA QT-IRT – ECG Core Lab meetings. Dr. Callahan has attended regulatory meetings and has assisted clients in preparing regulatory submissions.

He is a frequent speaker at Pharmaceutical Industry functions and sits on several advisory boards for peer reviewed publications, as well as cardiovascular safety committees for sponsors.

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