30 years of clinical excellence in cardiac diagnostics in the US
1994
CMS was founded in the US more than three decades ago.
24 hrs
Holter reports available within 24 business hours
99.8%
Reporting accuracy across all global cardiac tests.
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Leveraging CardioScan’s global expertise, CMS brings the same standard of clinical excellence to our local US customers.
Cardiac Monitoring Service (CMS) is backed by CardioScan, the world’s largest independent provider of cardiac diagnostics, reporting on more than 800,000 patients annually across 11 countries.
Global Leadership
Cardiac Monitoring Service
1300 Quail St., Suite 209
Newport Beach, CA 92660
T: (+1) 800 267 5248
F: (+1) 949 724 9778

Assoc Prof. Harry Mond
CardioScan Medical Director Dr Harry Mond is a founding member of CardioScan and remains among the world’s top experts in the interpretation of ECG and Holter studies.
As an international educator and author of 275+ peer-reviewed manuscripts and books, he provides regular training and professional development to our team of certified cardiac technicians to ensure the highest clinical standards.

Josh Casey
Josh Casey brings over 15 years experience in growth focused businesses from an investment, advisory and management capacity.
His previous success in both Mergers and Acquisitions and Private Equity operations, balanced with his experience in CFO and COO roles at CardioScan, led to Josh’s appointment as CEO of CardioScan in 2022.
Josh has experience across software, consumer and healthcare, both domestically and internationally, and is the driving force for CardioScan’s ongoing expansion into new markets.
Josh holds a Masters of Applied Finance from Macquarie University, is a graduate of the ICAA and holds a Commerce degree from the University of Melbourne.
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Suzanne Coulston
Suzanne Coulston joined Cardiac Monitoring Services in 2001 and now leads its U.S. operations, where she has driven the company’s growth into a national leader in cardiac diagnostics. With over 30 years of experience in customer service and account management, she is known for her strategic leadership and unwavering commitment to delivering first-class service to every patient, physician, and healthcare partner—setting CMS apart in a competitive field.