Who We Are – Health Center
The Martin Luther King, Jr. Outpatient Center (MLK OPC) plays an essential role in the health and well-being of residents in South Los Angeles and surrounding communities. High-quality primary and specialty care services are complemented by wellness and prevention programs for the family. The Outpatient Center is the centerpiece of a new medical campus that offers integrated outpatient, inpatient, and mental health services. Clinic leaders and staff are committed to providing compassionate, high-quality care that improves the health of patients and their families. The Martin Luther King, Jr. Outpatient Center is operated by the Health Services, and is part of the Los Angeles County Ambulatory Care Network (ACN).
Ellen Rothman, M.D. Medical Director
Ellen Rothman oversees the delivery of clinical services at MLK Jr Healthcare Group in her role as Medical Director. Dr. Rothman brings deep commitment to improving health outcomes in South Los Angeles. Prior to joining LA County Department of Health Services in 2012, Dr. Rothman served as the medical director at St. John’s Well Child and Family Center, a Community Partner clinic operating in South Los Angeles and Compton. Dr. Rothman completed her medical training at Harvard and her pediatric residency at the Boston Children’s Hospital. After completing her residency in 2001, she worked for the Indian Health Service where she spent 6 years in a very remote corner of the Navajo Nation in Arizona. She is thrilled to be part of the dynamic MLK Team!
Cristian Puiu, RN, Nursing Director
Cristian Puiu is the MLK Outpatient Clinical Nursing Director I since January 2026. He is responsible for the Nursing Department at MLK OPC, ASC and UCC. Mr. Puiu has received a Bachelor of Science Degree in Nursing and a Master of Science in Nursing from West Coast University. He is Board Certified with ANCC in Ambulatory Care Nursing.
Louis Armstead III, MA, Lead Administrator
Louis Armstead III serves as Lead Administrator of Operations for Martin Luther King, Jr. Medical Group. Prior to his appointment, he served as Assistant Administrator for the San Fernando Valley Health Center Group and Administrator for Ancillary Services for the Ambulatory Care Network. He brings a wide range of experience in operations supporting a variety of disciplines including Radiology, LAB, Pharmacy, Facilities, Rehabilitation Services, and Security. Mr. Armstead is an alumnus of the Radiography Program at Charles Drew University of Medicine & Science. He holds a Master’s Degree in Public Administration from Arkansas State University. He is passionate about delivering quality service to our DHS patients.