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, PsyD
Board Chair
Sarah Guerra
Vice Chair
Ofelia Garcia
Secretary
Nathan Williams
Treasurer
Daniel Parra
Parliamentarian
Jose Gutierrez
HRSA/Policy
Angel Angulo
Board Member
Lorane Avalos
Board Member
Esther Nicacio
Board Member
Nicole Thompson
Board Member
Irma Cruz
Board Member
Maricela Vargas
Board Member
Michael Graville
Board Member
Executive Leadership Team
Justin Preas
President & Chief Executive Officer
Gregory Williams, MD
Chief Medical Officer
Ganga Hematillake, MD
Chief Medical Officer - United Physicians Network
Beatrice Perez, RN
Chief Clinical Services Officer
Anthony Olivares
Chief Operations Officer
Jesus Maldonado
Chief Financial Officer
Faith Driscoll
Chief Legal Officer
David Phillips
Community Resource Officer
Ricardo Viveros
Business Development Officer
Miguel Rodriguez
Chief Administrative Officer
Senior Leadership Team
Sharareh Shabafrooz, DO
Associate Medical Director
Sonia Relingo, DDS
Dental Director
Nathan Boyd, D.D.S.
Dental Director
Stephanie Phyo, OD
Director of Optometry
Sylvia Ramirez, PsyD
Director of Behavioral Health
Steven Magallanes, DC
Chiropractic Director
Guadalupe Ramirez, RN
Director of Clinical Services
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
Casie Cart
Director of Operations
Joshua Skunca
Director of Operations
Jose Ramos
Director of Recruitment & Development
Michael Green
Director of Human Resources
Antonio Ortiz Jr.
Director of Information Technology
Jonathon Anderson
Director of Health Information Technology & Data Management and Analytics
Eric Poole, CISSP
Director of Information Technology Security
Bobby Burgess
Director of Construction
Kevin Love
Director of Facilities
Humberto Cafaggi
Call Center Director
Stacee Reed
Provider Recruiter
Choua Xiong-Fajardo
Director of Finance
Mary Lou Lopez
Director of Billing
Donna Beavers
Director of HRSA Compliance and Grants Management
Emily Mireles
Director of Referrals
Sara Santillan
Director of Quality Improvement
Navjot Singh, MSHA
Director of Contracting and Managed Care