Executive Leadership

Paul Nguyen, MHA

President and Chief Executive Officer
Paul Nguyen is the President and CEO for CommuniCare Health Centers. His career as a healthcare administrator spans over 25 years in both inpatient and ambulatory services, with focuses on being the healthcare provider of choice and best place to work. He is a recipient of the 2015 San Antonio Business Journal Healthcare Heroes Award in the category of Outstanding Healthcare Executive. Paul Nguyen has a Bachelor's Degree in Social Psychology from Park University and a Master's Degree in Healthcare Administration from Webster University.

Ricardo Gonzalez

Vice President and Chief Financial Officer
Mr. Gonzalez has worked in the financial field for over 18 years. He has been with CommuniCare since 2000, and became the Chief Financial Officer in 2002. Prior to being named CFO, Mr. Gonzalez served as the Manager of Financial Operations. Before joining CommuniCare, he was a financial analyst for the Center for Health Care Services, and an Accountant for two home health care agencies and a university. He is a 1992 graduate of St. Mary's University earning a Bachelors of Business Administration with a concentration in Accounting.

Martha A. Medrano, M.D., M.P.H.

Vice President and Chief Clinical Officer
Dr. Martha A. Medrano received her doctorate of medicine degree from the University of Texas Health Science Center in San Antonio (UTHSCSA). Dr. Medrano is a child, adult and addiction psychiatrist who brings over 25 years of experience as an administrator and clinician educator. Some of her recognitions include Hispanic Business Magazine's 100 Top Influential Hispanics, San Antonio Women's Hall of Fame, San Antonio Magazine's Influential Physicians: Women Who Are Making a Difference, and 2015 San Antonio Business Journal Healthcare Heroes Award in the category of Outstanding Physician.

Bob Milks, MA

Vice President and Chief Operations Officer
Bob Milks is originally from New York, but has called Texas his home for the past 14 years. He joined CommuniCare in 2009 to lead its service expansion into Hays County. He has over 30 years of experience in organizational development and change management. He considered himself as an entrepreneur leader, challenged to be innovative in new business ideas and further refine internal processes to improve operational efficiency. Bob Milks has a Bachelor's of Science in Occupational Education and a Master of Arts in Management from Wayland Baptist University.

George Suarez

Vice President and Chief Information Officer
Mr. Suarez has 17 years of experience working in community health centers, including 12 years at CommuniCare. He has served in many roles including: front office operations, insurance billing office manager, and has implemented several patient management systems. He has nine years of experience in Information Technology, with significant expertise in statistics/data management, networking and Voice Over IP. He became the CommuniCare CIO in 2002.

Violetta Roller, D.D.S.

Chief Dental Officer
Dr. Roller is originally from the small town of Carrizo Springs, Texas. She graduated from The University of Texas at San Antonio with a B.S. in Biology, and later from the University of Texas Health Science Center at San Antonio, as a Doctor of Dental Surgery. She joined CommuniCare in 2005 as a staff dentist and Chief Dental Officer in 2010. Dr. Roller is a recipient of the 2012 Top Dentist Award by Top Dentist, LLC (National independent surveying organization); she is among only 174 dentists in San Antonio that was recognized for this prestigious award.

Quiara Sherrard, MBA

Chief Revenue Officer
Ms. Sherrard joined CommuniCare in June 2011. Her responsibilities include oversight of billing, collections, contracting and credentialing. Prior to this position, she has served as Practice Administrator for Oncology San Antonio and San Antonio Infectious Diseases Consultants. She has 13 years of experience in healthcare leadership and revenue management. Quiara has a Bachelor's Degree in Finance and a Masters of Business Administration with a dual concentration in Healthcare Management and Finance from Park University.

Marisol Cortez

Chief Development Officer
Marisol Cortez joined CommuniCare in August 2010. Her responsibilities include oversight of grant writing, fundraising, marketing, public & community relations and building partner relationships. Mari has over 20 years of experience in working with non-profits within the field of accounting, marketing and fundraising. Her background includes being the Development Director for the American Lung association, owning her own marketing and web consulting business and working as a Fiscal Officer for the City of San Antonio. Mari has a Bachelor's Degree in Accounting with a concentration in Marketing from St. Mary's University.

Miguel A. Vazquez, MD, FAAFP

Chief Medical Officer
Dr. Miguel A. Vazquez is a native San Antonian and graduated from Trinity University. He then completed his medical education at Baylor College of Medicine in Houston, TX, and finished his specialty training in Family Medicine at the University of Texas Medical Branch, Galveston, Texas. Dr. Vazquez was in private practice for 18 years, followed by group and consultative practice which included preventive medicine for the San Antonio Fire Department. He has served as medical director and chief medical officer for a Medicaid managed care organization and for several companies as part of their workers' compensation programs.