Practice Leadership

Nephrology Associates of Northern Illinois and Indiana (NANI) stands as a beacon of excellence in kidney care, embodying a legacy of innovation and patient-centered service that spans nearly half a century. As the largest nephrology practice in the United States, NANI's success story is one of visionary leadership, unwavering commitment to patient care, and pioneering advancements in the field of nephrology. At the helm of this remarkable organization is a Practice Leadership Team comprised of distinguished nephrologists and healthcare administrators who have dedicated their careers to revolutionizing kidney care.

These leaders have not only shaped NANI into a nationally recognized institution but have also set the gold standard for nephrology practices across the country. Their collective expertise, coupled with a passion for improving patients' lives, has positioned NANI at the forefront of kidney disease management, research, and treatment. From its humble beginnings to its current status as an industry leader, NANI's journey exemplifies the power of combining medical excellence with compassionate care, making it a true pioneer for patients in the ever-evolving landscape of nephrology.

Arthur Morris, MD President

Arthur Morris MD
Chairman of the Board

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Brian J. O’Dea, CPA Chief Executive Officer

Manish Tanna MD
President

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Brian J. O’Dea, CPA Chief Executive Officer

Brian J. O’Dea
Chief Executive Officer

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Brian J. O’Dea, CPA Chief Executive Officer

John Ducker MD
Executive Vice President

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Brian J. O’Dea, CPA Chief Executive Officer

NANI Melina Siomos
Senior Vice President



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Brian J. O’Dea, CPA Chief Executive Officer

Sue Weyforth
Vice President of Clinical Operations


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Brian J. O’Dea, CPA Chief Executive Officer

Heather Dague MD
Vice President, Technology and Quality Programs

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Vice President Strategy and Development for NANI and CEO of Tower Physicians Solutions

Vice President, Strategy and Development for NANI, and CEO of Tower Physicians Solutions

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Brian J. O’Dea, CPA Chief Executive Officer

Andrew Krass
Vice President of Vascular and Surgical Services

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Brian J. O’Dea, CPA Chief Executive Officer

Lindy Nakaerts
Vice President of Facilities Mergers and Acquisitions

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Brian J. O’Dea, CPA Chief Executive Officer

Nancy Cipparrone
Director of Research



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Board of Directors

Gautam Bhanushali, MD
Ravi Damaraju, MD
John Ducker, MD
Tom Golubski, MD
Arthur M. Morris, MD
Brian J. O'Dea, CEO
Raju Ray, MD
Naveen Reddy, MD
Madhavi Ryali, MD
Manish Tanna, MD
Abraham Thomas, MD
Katrina Wright, MD
Emeritus: George Dunea MD
Emeritus: Ashutosh Gupta MD
Emeritus: Michael Carbon MD



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