Management Team

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Jonathan Manzer MD 

CEO AMMO


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Jay Patel MD

CEO AMGA


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Timothy Mcpherson MD

Chief Medical Officer


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Krishnaswamy Kannappan MD

CEO Texas Division


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Benedicte Kramer

Director of Operations MO

Ben Kramer is a dedicated and dynamic healthcare executive with over 20 years of leadership experience in operations management, strategic planning, and clinical service line development. Known for her positive, team-focused approach, Ben excels in building relationships and providing collaborative guidance to drive patient-focused care and achieve results. Currently serving as Executive Director of Operations at American Medical Administrators, she leads the establishment of operational workflows, policies, and support services for a network of independent practices

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Amber Hunter 

Director of Radiology and Diagnostics


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Tiffany Nelson

Director of Long term Care


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Amber Mcclain 

Director of Financial Affair


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Bobby Garcia

Director of Laboratory Division


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Danny Yevcak

Director of Mergers and Acquisitions

Danny Yevcak is the Head of Strategic Growth for American Medical Administrators. With his strategic vision and over 15 years of industry experience, he has transformed the company into a trusted provider of essential services and supplies for doctors, hospitals and other healthcare modalities. Danny's commitment to quality, customer satisfaction, and innovation has helped to drive the company's growth. Danny's leadership and dedication will continue to position American Medical Administrators as an industry leader. Danny spends his free time with his 12-year-old son at the karting track and is an avid golfer.

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Richard Muckerman MD

VP of Physician Affairs MO

Dr. Richard Muckerman is a highly regarded expert in general obstetrics, with a particular focus on high-risk pregnancies. With nearly 8,000 deliveries to his name, he is dedicated to making each birth a special and personalized experience. In addition to his extensive obstetric practice, Dr. Muckerman oversees a comprehensive gynecologic practice, specializing in perimenopause and menopause. His menopause care includes advanced bioidentical hormone replacement therapy. Each gynecologic patient receives a thorough hereditary cancer risk assessment and a customized cancer prevention program, reflecting Dr. Muckerman’s commitment to proactive and personalized health care.

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Nish Patel

Director of Operations GA


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Gabriel Cardenas

Director of Prosthetics and Orthotics division


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Jim Probst

Director of Woman's Health and Wellness


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