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Our Leadership Team

Executive Leadership Team

Patrick Adams
Chief Executive Officer

Patrick Adams is responsible for all day-to-day management decisions and the implementation of the company’s strategic and operational objectives.

Patrick is a seasoned health care executive who brings extensive experience in successfully implementing infrastructure enhancements, driving creative strategic planning, and improving operational performance. His penchant for execution and ability to form innovative partnerships will be an asset as we continue our growth and positive impact on healthcare quality, access, and cost in our communities.

Patrick comes to HCP from Tandigm Health where he led an organizational transformation that created significant changes in healthcare quality, market-wide medical cost, and patient healthcare experience through a focus on physician partnerships and service. Prior to Tandigm Health, Patrick was the President of Transcend LLC and Vice President of Provider Development, Humana, where he was tasked with creating a national population health management services and technology company. At Transcend Population Health Management, Patrick’s strategic vision and implementation grew the organization to a multi-million dollar business. He has also held senior management roles with USMD, Sutter Health, Apria Healthcare, and Cardinal Health.

Patrick holds a Master’s in Business Administration from Seattle University. His passion for the healthcare business derives from very personal experiences, having had family members struggle with health issues where the availability of quality healthcare could have made a big difference.

Leo Icarangal
Chief Operating Officer

Leo Icarangal has been with HCP since June of 1996 and currently serves as the Chief Operating Officer, overseeing Business Intelligence, Claims Operations, Credentialing, Customer Engagement Center, Human Resources, Value-Based Operations, and Workplace Services. Additionally, Leo works closely with various managed care organizations to ensure operational harmony and to establish new partnerships.

Prior to his current role, Leo has served in multiple leadership roles as HCP including, Senior Vice President of Business Intelligence, Vice President of Operations, Sr. Director of Information Technologies, and Director of Information Systems. Throughout his career at HCP, Leo has spearheaded the implementation of initiatives focused on process automation, data and reporting consistency, and cross functionality.

Leo also has significant experience in the health insurance carrier arena through his work in the claims and provider database departments at New York Life NYLCare and in the healthcare provider sector through the billing and operations units of several independent physicians. Altogether, Leo has spent over 31 years in the healthcare ecosystem.

Leo continually enhances his expertise in leading high-performance teams in technical and innovative environments through ongoing education. He is a 2024 graduate of the Chief Operating Officer Program at MIT, where he mastered advanced topics such as Organizational and Product Strategy, System Thinking, Radical Innovation, and Digital Transformation in Supply Chains as well as cutting-edge technologies like Robotics, Virtual Reality, and the Internet of Things (IoT). Previously, he graduated from Harvard Business School’s Business Analytics Program in 2019 with a focus on Digital Strategy and Innovation, Quantitative Analysis, Data Science Systems, People Analytics, and Data-Driven Marketing.

Karen Estrada
Chief Financial Officer

Karen Estrada joined HCP in April of 2021 and serves as HCP’s Senior Vice President, Chief Financial Officer. In this role, she oversees financial operations, including financial reporting, financial planning, budgeting, analytics, and managed care finance relationships.

Karen’s prior experience includes almost 20 years with Catholic Health, where she served in various senior financial leadership roles in several arms of the organization, including the corporate office and internal audit. Prior to joining Catholic Health, she worked as a Senior Manager at Ernst & Young, where she managed the external audit function of many hospitals and a large integrated healthcare delivery system in the New York area.

Karen earned her Bachelor of Business Administration degree from Dowling College. She operates with a continuous improvement mindset and is committed to the HCP mission to provide quality care to our members. Karen is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants and the Healthcare Financial Management Association.

Michael Latko 
Chief Information Officer

Michael Latko serves as HealthCare Partners’ Chief Information Officer and Chief Information Security Officer, responsible for shaping and executing the organization’s technology strategy, continually improving information security practices, and ensuring that technology investments deliver on the organization’s objectives. He is an accomplished IT professional with over 30 years of experience in various leadership roles, and has been in the healthcare space for 15 of those years.

Previously, Mike was the Director of IT at Healthplex, Inc., where he led the company through rapid membership and company growth and implemented a range of successful projects, including real-time EDI web services, member and provider portals, SOC 2 Type 2 reporting, and IT operations automation. Prior to that, Michael held various IT management positions at WhiteMountains Insurance, Reuters, and Avis.

Michael holds a Master of Science in Management with a concentration in Information Technology from New York University-Polytechnic and a Bachelor of Arts in Computer Science from the State University of New York at Geneseo. Michael is driven to find the right technology to meet the objective, protect the organization and position HealthCare Partners for future scalability.

Jacqueline LoCastro 
Chief Business Development Officer

Jacqueline LoCastro is an experienced marketing and communications professional with over 25 years in healthcare, currently the Chief Business Development Officer. She has an established track record of creating and executing comprehensive marketing strategies that drive growth and innovation.

Jacqueline began her career in promotions, working with various healthcare organizations to develop programs, materials, and events to strengthen their brand presence. Her strong background in product development promotion provided her with a solid foundation in crafting compelling narratives and understanding the power of effective communication. She has built relationships with business partners throughout her career to create new growth opportunities.

In her current role, Jacqueline oversees the development and implementation of multi-channel marketing campaigns that focus on brand awareness, lead generation, and provider education and engagement. She is known for her ability to create impactful marketing initiatives that resonate with diverse audiences.

Jacqueline holds a Master of Business Administration in Marketing from Hofstra University.

Clinical Leadership Team

Balvindar Sareen, MD
VP, Physician Partnership
Senior Medical Director

Joseph Padula, MD
Medical Director