Our Physicians

Philip S. Yang, M.D.

A graduate from Tufts University School of Medicine, Dr. Philip Yang is constantly involved in the community, seeking to improve the health of his patients. He is always accessible to his patients and his office staff with a warm smile and a positive attitude. Korean speaking patients find comfort with Dr. Yang as he speaks Korean fluently and has a wonderful bedside manner.

Dr. Philip Yang is a patient, brilliant, and compassionate physician who is dedicated to facilitating the care of his patients. Dr. Yang loves to travel and spend time with his family. He enjoys listening to music and reading the news in his leisure time.

Board Certified: American Board of Internal Medicine
MD: Tufts University School of Medicine
Internal Medicine Residency: Huntington Memorial Hospital Pasadena, CA
Nephrology Fellowship: Kaiser Permanente LA Medical Center Los Angeles, CA
Affiliations: National Kidney Foundation & American Society of Nephrology


Son T. Dinh, M.D.

A graduate from St. George’s University School of Medicine, Dr. Son Dinh is devoted to practicing medicine with care and compassion towards his patients. Even with his busy schedule, Dr. Dinh always takes time to greet his patients and spends time listening to their concerns. His capability to speak Vietnamese has given him the opportunity to serve the Vietnamese community as an experienced and skillful Nephrologist.

Dr. Son Dinh has a strong respect for family and he always finds time to spend time with his. He loves to learn about different cultures and watch comedy movies in his spare time. He believes that an active lifestyle and a healthy diet will always lead to a healthy body.

Board Certified: American Board of Internal Medicine
MD: St. George’s University
Internal Medicine Residency: University of Louisville School of Medicine Louisville, KY
Nephrology Fellowship: University of Louisville School of Medicine Louisville, KY
Memberships: National Kidney Foundation & American Society of Nephrology


Dr. Essam Mostafa, M.D.

Dr. Essam Mostafa came from a medical family; his father was a surgeon, his mother is a dermatologist; sister is a professor at Medical school, his brother is an Associated Clinical Professor at the University of San Francisco, Dental School, and his sister is an engineer. Dr, Mostafa graduated among the top of his class from Cairo University Medical School. Got his training at Harvard Medical School (HMS), New York University (NYU), and Medical College of Virginia (MCV). He also spent two years in the School of Fine Arts studying graphics. He is American Board Certified in Internal Medicine and Nephrology.

Dr. Mostafa is married and is a father of twin girls living in Los Angeles, California. Founder of Dayton Education Society (DES), Dayton Mercy Society (DMS), Free Clinic of Ohio (MCO) Dayton, Columbus and Cincinnati, American Board Certified in Egypt (ABCE); Co-founder of Muslim Youth of Ohio (MYOHIO), Board Member, Egyptian Society of Internal Medicine (ESIM). He served on the Board of Trustees; Reach out Montgomery County Clinic. He was elected Board member of 80-20 Initiative SW Ohio Chapter a national nonpartisan political organization dedicated to winning equal opportunity and justice for all Asian Americans.

On the Professional level, Dr. Mostafa served on the Executive Board of Indiana Nephrology and Internal Medicine (INIM) and Medical Director of Fresenius Dialysis Unit (FMC), and Acute Dialysis Unit, Reid Hospital. Currently, Serving on the Board of Directors of Orange County Kidney in Orange County, California. He served on the Board of LIFT Greater Dayton affiliated with the Industrial Areas Foundation (IAF). IAF builds organizations whose primary purpose is power – the ability to act – and whose chief product is social change. He served on the Board of L.E.A.D. Leaders for Equality and Action in Dayton to build a strong, grassroots community organization, dedicated to empowering and preparing people of faith to work for a greater degree of justice. LEAD is an affiliate of The Direct Action and Research Training (DART). Co-founder of Rebuild Egypt a non-profit organization to help to rebuild a new modern Egypt after the revolution. Served on the Board of Indy Egypt a non- profit organization to promote the Egyptian American culture

He received the National Conference for Community & Justice (NCCJ) Humanitarian Award for community service in 2010. He received the “Champion of Medicine” Award for Indiana State 2010. He received The Physician of the Year 2013 from Huntington Beach Hospital in California “Physician Excellence Award”.

Dr. Mostafa is the Chairman of the Department of Medicine at Huntington Beach Hospital, Huntington Beach, California. He was elected as President of Garden Grove Investment, LLC. Served on the Medical Executive Committee (MEC) of Huntington Beach Hospital, Huntington Beach, CA. Founder of Egyptian Americans in Los Angeles Non-Profit Organization that promotes American Egyptian identity and enriches both cultures through educational and social activities. Founder of Celebrate Mercy Board of Southern California Chapter.

Dr. Mostafa is the author of “What They Did Not Teach You in Nephrology Fellowship”

Dr. Mostafa is a clinician, academician, scholar, writer, activist, father, son, husband, family man, entrepreneur, lecturer, and caring human being.

He believes in:
“Volunteers do not necessarily have the time; they just have the heart.”
(Elizabeth Andrew)

“The only thing necessary for the triumph of evil is for good men to do nothing.”
(Edmund Burke)