Board of Directors
The Board of Directors represents our community population. They guide much of our decision-making and therefore is comprised of a mix of patients and residents from UHC-Served communities who reflect local demographics.
Jack Shantz, Psy. D.
Board Chair
Sarah Guerra
Vice Chair
Ofelia Garcia
Secretary
Nathan Williams
Treasurer
Daniel Parra
Parliamentarian
Angel Angulo
Board Member
Lorane Avalos
Board Member
Jose Gutierrez
Board Member
Esther Nicacio
Board Member
Nicole Thompson
Board Member
Irma Cruz
Board Member
Executive Leadership Team
Colleen Curtis
President & Chief Executive Officer
Justin Preas
Deputy Chief Executive Officer
Gregory Williams, M.D.
Chief Medical Officer
Ganga Hematillake, M.D.
Chief Medical Officer - United Physicians Network
Beatrice Perez, RN
Chief Clinical Services Officer
Anthony Olivares
Chief Operations Officer
Jesus Maldonado
Chief Financial Officer
David Phillips
Community Resource Officer
Ricardo Viveros
Business Development Officer
Miguel Rodriguez
Chief Administrative Officer
Senior Leadership Team
Sonia Relingo, D.D.S.
Associate Dental Director
Nathan Boyd, D.D.S.
Associate Dental Director
Stephanie Phyo, O.D.
Director of Optometry
Sylvia Ramirez, Psy.D.
Director of Behavioral Health
Steven Magallanes, D.C.
Chiropractic Director
Eliane Saed, RN
Director of Clinical Operations
Alyssa Tapia-Ramirez
Director of Dental Operations
Gail Espinosa Mora
Director of Optometry Operations
Kenneth Evans
Director of Operations
Emily Mireles
Director of Referrals
Michael Green
Director of Human Resources
Stuart Bispham
Director of Data and Analytics
Jonathon Anderson
Director of Health Information Technology
Choua Xiong-Fajardo
Director of Finance
Kevin Love
Director of Facilities
Bobby Burgess
Director of Construction
Mary Lou Lopez
Director of Billing
Navjot Singh
Director of Managed Care and Contracting
George Chatyrka
Director of HRSA Compliance/Grant Management
Sara Santillan
Director of Quality Improvement
Stacee Reed
Provider Recruiter
Jose Ramos
Director of Recruitment & Development