A Physician-Led Organization

PRISM Vision Group is focused on delivering world-class care and creating an unrivaled practice environment. Being a physician-led organization makes this vision come to life.

Physician Executives

Steven Madreperla, M.D., Ph.D.

Steven Madreperla, M.D., Ph.D.


President & CEO

Vitreoretinal Surgeon

Dr. Madreperla joined NJRetina in 1999 and has led PRISM Vision Group as CEO since its inception in 2018. He is a practicing retinal surgeon and one of the foremost experts in the surgical treatment of ocular oncology.

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Priya Desai, M.D., M.B.A.

Priya Desai, M.D., M.B.A.

Chief Medical Officer

Cataract Surgeon & Glaucoma Specialist

Dr. Desai has served as PRISM’s Chief Medical Officer since 2021. In her clinical practice at Matossian Eye Associates she specializes in cataract surgery and the medical, laser, and surgical treatment of glaucoma.

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Senior Medical Directors

Oversee an integrated eye care model across specialty areas.

Michael Lai, M.D., Ph.D.

Michael Lai, M.D., Ph.D.

Senior Medical Director, Southern Region

Retina Specialist

Dr. Lai is a practicing physician with the Retina Group of Washington and an internationally recognized leader in retina care. He is currently a member of the Executive Committee of the ASRS Board of Directors and Chair of its Education Committee.

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Vinod Voleti, M.D., M.B.A.

Vinod Voleti, M.D., M.B.A.

Senior Medical Director, Northern Region

Retina Specialist

Dr. Voleti joined NJRetina in 2013 and has researched, published, and presented on diabetic retinopathy, retinal vein occlusion, retinal detachment, macular degeneration, and more. He is passionate about mentoring future ophthalmologists and leads the recruiting efforts at NJRetina.

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Regional Medical Directors

Lead, coach, and advocate for our physicians.

MID-ATLANTIC REGION

Jacob Chung, M.D.

Jacob Chung, M.D.

Cataract Surgeon

Tenafly Eye Associates

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Dipal Shah, M.D.

Dipal Shah, M.D.

Cataract Surgeon & Cornea Specialist

The Eye Care & Surgery Center

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Kekul Shah, M.D., FACS

Kekul Shah, M.D., FACS

Retina Specialist

Delaware Valley Retina Associates

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Sumit P. Shah, M.D.

Sumit P. Shah, M.D.

Retina Specialist

NJRetina

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DMV REGION

Daniel Berinstein, M.D.

Daniel Berinstein, M.D.

Retina Specialist

Retina Group of Washington

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J. Mingyi Huang, M.D.

J. Mingyi Huang, M.D.

Retina Specialist

Retina Group of Washington

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Gayatri Reilly, M.D.

Gayatri Reilly, M.D.

Retina Specialist

Retina Group of Washington

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Jacquelyn Weber, M.D.

Jacquelyn Weber, M.D.

Cornea, Cataract & Refractive Surgeon

Mitchell & Morin Eye Institute

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WESTERN REGION

Andrew Cheek, M.D.

Andrew Cheek, M.D.

Retina Specialist

Spokane Eye Clinic

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Kandon Kamae, M.D.

Kandon Kamae, M.D.

Cataract Surgeon & Glaucoma Specialist

Spokane Eye Clinic

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Ron P. Gallemore, M.D., Ph.D.

Ron P. Gallemore, M.D., Ph.D.

Retina Specialist

Retina Macula Institute

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Physician Leadership Council

Steers the organization in cross-functional initiatives.

Clinical Services Committee

Programs in clinical quality, training, development and standardization of clinical services

Scott Walsman, M.D., Chair of the Clinical Services Committee

Scott Walsman, M.D.
Chair

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Technology Committee

Technology infrastructure for the enterprise including clinical informatics, EMR strategy, usage, and training

Newman J. Sund, M.D., Ph.D., Chair of the Technology Committee

Newman J. Sund, M.D., Ph.D.
Chair

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Growth Committee

Business development strategies including physician recruitment, practice expansion and affiliations, and ambulatory surgery center growth

Reginald J. Sanders, M.D., Chair of the Growth Committee

Reginald J. Sanders, M.D.
Chair

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Finance Committee

Enterprise financial functions including payer contracting, revenue cycle, financial reporting and budgeting

Emily Ash Morin, M.D., Chair of the Finance Committee

Emily Ash Morin, M.D.
Chair

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Pharmaceuticals & Therapeutics Committee

Evaluation, introduction, and assessment of formulary compounds and treatment best practices

Howard Fine, M.D., Chair of the Pharmaceuticals and Therapeutics Committee

Howard Fine, M.D.
Chair

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Research Committee

Expansion and management of research sites, clinical trial enrollment, and sponsor relationships

Alex Melamud, M.D., M.A., Chair of the Research Committee

Alex Melamud, M.D., M.A.
Chair

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Physician Partnership & Life Committee

Creating an optimal experience for physicians inside and outside the practice

Priya Desai, M.D., M.B.A., Chair of Physician Life

Priya Desai, M.D., M.B.A.
Chair

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Corporate Leadership Team

Seasoned executives partner with physicians to lead key services for affiliated practices.

Anne Hoang, Chief Operating Officer

Anne Hoang

Chief Operating Officer

Andrew Neumann, Chief Information and Digital Officer

Andrew Neumann

Chief Information and Digital Officer

Michael Costa, Managing Principal Counsel

Michael Costa, Esq, M.P.H.

Managing Principal Counsel

Pooja Chauhan, Chief People Leader

Pooja Chauhan

Chief People Leader

Hunter Winterton, SVP, Business Development

Hunter Winterton

SVP, Business Development

Billie St. Pierre-Natoli, VP, Payer Relations

Billie St. Pierre-Natoli

VP, Payer Relations

Andrew Park, VP, Transformation

Andrew Park

VP, Transformation

Ryan Bayne, SVP, Revenue Cycle

Ryan Bayne

SVP, Revenue Cycle

Peter Cebulka, VP, Physician Recruitment

Peter Cebulka

VP, Physician Recruitment

Adam Fels, SVP, Marketing

Adam Fels

SVP, Marketing

Jennifer Hastie, VP, Credentialing

Jennifer Hastie

VP, Credentialing

Becky Hubbard, SVP, Operations - Mid-Atlantic Region

Becky Hubbard

SVP, Operations - Mid-Atlantic Region

Roie Rennert, VP, Integrations

Roie Rennert

VP, Integrations

Nancy Reynoso, SVP, Operations - DMV Region

Nancy Reynoso

SVP, Operations - DMV Region

Christopher Shaffer, VP, Supply Chain

Christopher Shaffer

VP, Supply Chain

Russell Smith, VP, Clinical Research

Russell Smith

VP, Clinical Research

We are always looking for leaders who are passionate about defining the best practices in eye care.
Explore our career opportunities.