El Segundo, California
(310) 356-0550



The leadership at Avanti Hospitals has a diverse foundation of expertise across the healthcare arena, from hospital operations to investment banking to real estate.  Combined, the management and principals have the right blend of disciplines necessary to operate and successfully manage hospitals and related healthcare operations.

Corporate Leadership

Joel BergenfeldJoel Bergenfeld

Interim Chief Executive Officer

Joel Bergenfeld is a Board Certified Health System CEO with over thirty years of senior leadership experience.  He has previously worked as CEO and in a senior leadership capacity at other reputable health organizations, such as Balboa Health and Education Associates, Physicians for Healthy Hospitals, Inc., Valley Health System, Century City Doctors Hospital and Tenet Healthcare Corporation, just to name a few.  He has a proven track record of providing strategic and visionary leadership.  

With a passion for healthcare, Joel has lead hospitals and health systems through mergers and acquisitions, has guided facilities as they have continued to improve in quality and service, established positive labor relations, and overseen the addition of new service lines and departments.  He has solid experience in maintaining a healthy bottom line, while providing compassionate, high quality care to patients.

Joel holds a Bachelor of Arts in Psychology from University of California, Los Angeles, as well as a Master of Science in Health Services Administration from California State University Northridge.

Steven R. Blake, FHFMA, CPA, CGMA, MBA

Chief Financial Officer

Mr. Blake is currently President and Owner of an accountancy corporation, licensed in the State of California. In this capacity he offers services as a financial advisor to healthcare organizations.

Previously, he served as the as Chief Financial Officer and Executive Vice President, Finance of IHHI (then a public company) for over 9 years. He also served as Regional Vice President of Finance for Tenet, a position he held for over 17 years. In this position, Mr. Blake was responsible for the financial management of numerous Tenet assets covering five western states (California, Arizona, Washington, Nebraska and Texas). The IHHI hospitals were also assigned to him during part of his tenure with Tenet.

He is a California licensed Certified Public Accountant and includes 7 years public accounting experience with international firms. Mr. Blake has over 30 years of experience in multi-hospital financial management, including experience in financial management roles with public companies.

Concurrent with his MBA studies, Mr. Blake was a Research Assistant for the Health Policy Analysis Program - an advisory group to the Washington State Legislature and the Washington State Department of Health Services.

Mr. Blake is past president and chapter advisor for the Southern California Chapter of the Healthcare Financial Management Association; a member of the AICPA Health Care Expert Panel and the AICPA Healthcare Conference Education Committee; a former member of the audit committee for the Hospital Association of Southern California and former trustee for the California Hospital Association


  • President-Owner of Steven R. Blake CPA (Accountancy Corporation)
  • American Institute of Certified Public Accountants, Member of the Healthcare Expert Panel, contributing reviewer for AICPA 2014/15 Audit Risk Alert – Health Care Industry Developments and the Audit and Accounting Guide- Health Care Entities 2014. Member of the Healthcare Conference Education Committee 2015.
  • Healthcare Financial Management Association, Southern California Chapter Past President, Chapter Advisor, LINK Committee Chair, Medal of Honor Recipient
  • California Society of Certified Public Accountants
  • California Hospital Association, Past Trustee
  • Certified Global Management Accountant
  • Health Care Executives of Southern California [HCE/ACHE]
  • Hospital Association of Southern California, Past Audit Committee Member
  • Certified Public Accountant: California License # 45961, Active

Michael Patmas, MD, FACHE

Chief Medical Officer

Michael Patmas is an extremely experienced, well-rounded physician executive with over 30 years of experience.
Dr. Patmas has extensive clinical and management credentials.  Trained at the University of Nevada, Dr. Patmas has practiced internal medicine for over 30 years. He earned a Masters Degree in Medical Management at USC – Marshall School of Business.   He has a proven track record as a Chief Executive Officer (CEO), Chief Medical Officer (CMO) and Vice President of Medical Affairs (VPMA) with experience leading medical groups, hospitals and health systems through transformation. Dr. Patmas was twice named to the “Power 50” – Most Influential Business Leaders by Inland Business Catalyst Magazine as well as Healthcare CEO of the Year in the State of Washington in 2015 by Acquisition International Magazine.
Most recently serving as the CEO of Rockwood Clinic, Dr. Patmas increased volumes, opened new locations, increased patient visits and revenue, and achieved the highest HEDIS scores (Quality scores) in eastern Washington.  Prior to that, he acted as CMO of Woodland Healthcare where he provided senior physician executive leadership across an integrated healthcare system comprised of an acute care general hospital and a multi-site medical group.
Additionally, Dr. Patmas has been responsible for the medical management of a for-profit, publicly traded health plan, Clear Choice Health Plans (official title: VPMA/Medical Director).  While there, Dr. Patmas improved their ranking to the #1 health plan in CMS region 10 and they were named among the top 100 Medicare Advantage plans nationally (US News and World Report).

Paul Celuch

Chief Human Resources Officer

Paul Celuch brings more than 20 years of healthcare leadership experience, including responsibilities in the areas of human resources, recruitment, benefit planning, employee relations and organizational improvement. Prior to joining Avanti, Paul served as the Chief Human Resources Officer at USC Verdugo Hills Hospital – Keck Medicine of USC where he was responsible for all human resources programs including benefit cost containment, organizational development, and mergers and acquisition activities. Before moving into healthcare, Paul held executive-level positions within the information technology and financial services industries. He received his BS from Slippery Rock University of Pennsylvania and his MS from Southern Illinois University at Edwardsville. Paul also completed the Advanced Human Resources Management Program offered through University of California, Los Angeles.

Jason Cervantes

Chief Information Officer

Jason Cervantes is an experienced, results-driven leader who brings more than 15 years of experience within the healthcare information technology field to Avanti Hospitals. Prior to joining Avanti, he served as the Director of Information Technology at Antelope Valley Hospital, where he successfully managed multi-million dollar technology initiatives, spanning development, implementation and rollout. By taking a focused, interdisciplinary approach, Jason has a proven track record of leading full-hospital information system replacements, as well as the implementations of bedside barcode medication administration, electronic health records and computerized physician order entry.

Hospital Leadership

Jerry Clute

Interim Chief Executive Officer, East Los Angeles Doctors Hospital

Jerry Clute is an extremely experienced, well-rounded hospital executive with over 30 years of experience.  Jerry was most recently CEO of Providence Tarzana Medical Center and is bilingual in English and Spanish.  He has significant experience in hospital management with proven expertise in strategic planning, physician recruitment, program development and financial management.  Jerry has worked with a number of reputable health organizations, including Tenet, Verity Health (formerly Daughters of Charity) and Dignity.
Jerry got his start in healthcare as a Radiologic Technologist (he still holds an active license) and progressively moved into management and administrative roles.  He has a Bachelor’s degree in English Literature and a Master’s in Health Administration.

Kathy Wojno

Chief Executive Officer, Memorial Hospital of Gardena

With more than 20 years of hospital leadership experience, Kathy Wojno is respected by a wide range of functional healthcare groups from frontline workers to senior executives. She has participated in over 100 hospital regulatory surveys in California and Arizona and played a key role in the implementation of successful Open Heart and Stroke programs. Kathy is a member of the Association of California Nurse Leaders and serves on the Member Experience Committee. She is a member of Sigma Theta Tau National Honor Society. Kathy holds a MSN from California State University and is Board Certified through the American Nurses Credential Center for Nurse Executive, Advanced.

Pat Rives

Hospital Administrator, Community Hospital of Huntington Park

Pat has over 20 years of healthcare management experience in both not for profit and for profit hospitals.  She has served as Chief Nursing Officer and Chief Operating Officer for major healthcare systems such as HCA, Dignity and Tenet.  Her leadership experience includes tertiary and trauma centers. She consults at Howard University Hospital in Washington DC for Pipeline Health.
Pat received her Bachelor’s degree in Nursing from the University of Arizona and her Master’s degree in Nursing from the University of Texas Medical Branch.  She is also certified as a Healthcare Accreditation Professional by CIHQ.

Gregory Padilla

Hospital Administrator, Coast Plaza Hospital

Padilla is an extremely experienced healthcare executive with over 25 years of hospital leadership. He has a strong background in operations and financial management, including turnaround assignments for community hospitals and inner-city medical centers. Greg holds an MBA, is a licensed CPA (AZ), and brings a high level of professionalism and management expertise to CPH.