Efrem Castillo Email & Phone Number
Executive Vice President @ Rendr Care Physicians
5 free lookup(s).
If you need more lookups,
subscriptions start at $34 USD/month.
Efrem Castillo Location
- San Antonio, TX, US
Efrem Castillo Work
- 2025 -now Executive Vice President @
- 2023 -2024 Senior Vice President @
- 2019 -2023 Senior Vice President @
- 2016 -2019 Chief Medical Officer @ United Healthcare Medicare & Retirement
- 2006 -2016 Regional Medical Director @
Efrem Castillo Education
- The University of Texas Health Science Center at San Antonio
(Doctor of Medicine)
1988-1992
Efrem Castillo Skills
- Hospitals
- Managed Care
- Provider Relations
- Healthcare Information Technology
- Healthcare Management
- Utilization Management
- Disease Management
- Physician Relations
- Medicare
- Medicaid
- Healthcare
- Healthcare Consulting
- Physicians
- Quality Improvement
- EHR
- Healthcare Industry
- HIPAA
- U.S. Health Insurance Portability and Accountability Act (HIPAA)
- Working with Physicians
- u.s. Health Insurance Portability and Accountability Act Hipaa
- Microsoft Excel
- Sales
- Project Management
- u.s. Health Insurance Portability and Accountability Act
Efrem Castillo Summary
- Efrem Castillo, based in San Antonio, TX, US, is currently a Executive Vice President at Rendr. Efrem Castillo brings experience from previous roles at Aledade, Inc., Optum, United Healthcare Medicare & Retirement and WellMed Medical Management. Efrem Castillo holds a 1988 - 1992 The University of Texas Health Science Center at San Antonio. With a robust skill set that includes Hospitals, Managed Care, Provider Relations, Healthcare Information Technology, Healthcare Management and more. Efrem Castillo has 2 emails and 1 mobile phone numbers on RocketReach.
Looking for a different Efrem Castillo?
Find contact details for 700 million professionals.
Others Named Efrem Castillo
Efrem Castillo
Executive Vice President
San Antonio, TX, US
Top Rendr Care Physicians Employees
John Hui
Chief Development Officer and Co-founder
New York, NY, US
Anand Patel
Medical Director
Manhattan Beach, CA, US
Efrem Castillo
Executive Vice President
San Antonio, TX, US
Steve Fenlon
Chief Legal Officer
Minneapolis, MN, US
Jiahao Xu
Founder
Miami, FL, US
Sze Chung
Vice President of FP and A
Jersey City, NJ, US
Achalanka Dalawella
Vice President Operations and Transformation
New York, NY, US
Jenny Wang
Strategic Sourcing Manager
New York, NY, US
Lintong Su
Project Manager Business Development
New York, NY, US
Michael Poon
Medical Director of Medical Specialists
New York, NY, US
Shu Li
Chief Operating Officer
New York, NY, US
Cao
Director of Operations
New York, NY, US
M.pia Paiva
Director of Human Resources Operations and HRIS
New York, NY, US
Katherine
Director of Operations and Quality Improvement
United States
Mark Fancher
Vice President, Corporate Controller
New York, United States
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co