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Our Commitment

At Adjuvant.Health, a premier healthcare consulting firm, we aim to reinvent the business of healthcare through physician and clinician focused administrative excellence. We strive to elevate the wellbeing and financial strength of healthcare professionals, so they can focus on providing premier patient care. The values we hold in the highest regard are collaborative partnership, honesty, accountability, respect, and transparency for everyone in our community.


Our Leadership

Our team was carefully selected to mirror Adjuvant.Health’s values and each member brings diverse experiences that support our commitments to our clients. They push our vision forward each and every day.

Executive Leadership & Board

Our chief officers serve in their positions for both Allied Physicians Group and for Adjuvant.Health. This allows us to align the expertise gained from Allied’s operations with the expertise and service provided to through Adjuvant.Health.

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Kerry Fierstein, MD

Chief Executive Officer,
Adjuvant.Health & Allied Physicians Group

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Leslie Baker

Chief Operating Officer, Chief Experience Officer,

Ricardo Santiago

Chief Information Officer,

Kevin Edwards
Sr. Vice President of Business Development,
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Gary Mirkin, MD

Board Member,

Adjuvant.Health &
President, Allied Physicians Group
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Brad Fell, MD

Board Member,

Adjuvant.Health &
Compliance & Privacy Chair, Allied Physician Group
Claire Cohen, MD

Board Member Emeritus,

Adjuvant.Health & Finance Committee Chair, Allied Physicians Group

Physician Advisory Board

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Jennifer Shaer, MD

Chief Wellness Officer,
Allied Physicians Group

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Stewart Samuel, MD

IT Steering Committee Chair,
Allied Physicians Group

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Scott Svitek, MD

Human Resources
Committee Chair,

Allied Physicians Group

Salvatore Caravella, MD

Chief Quality Officer,
Allied Physicians Group

Eric Levene, MD

Marketing Committee Chair,
Allied Physicians Group

Marc Lashley, MD

Mental Health Committee Chair,
Allied Physicians Group

Anthony Battista, MD

Physician Leader,
Allied Physicians Group

Raphael Strauss, MD

Physician Leader,
Allied Physicians Group


Our team of healthcare consulting experts will ensure that all your practice’s business needs are met and work side-by-side with you to navigate any and all improvements.


With more than 50 employees who have extensive healthcare administration experience, your practice will be in good hands. From accounting to HR and even staff development, Adjuvant.Health will be by your side the entire process.


Our team of 5 healthcare marketing professionals know exactly how to reach new patients. Led by Leslie Baker, we’ll develop integrated marketing campaign that drive results for your practice.

IT Solutions

Technology is ever-changing and expanding. Our team of 10 medical IT experts ease the burden of managing sensitive data. Led by Ricardo Santiago, Chief Information Officer, your IT will be completely covered so your time can be sent on different practice initiatives.