:: Orange County Kidney ::

Our Physicians

Sandeep S. Dang, M.D.

A graduate from University of Southern California School of Medicine, Dr. Sandeep Dang is passionate about advancing the heath of his patients. He embraces a strong respect for family, medicine and the community. He speaks Punjabi and Spanish fluently and is able to create a great relationship with a diverse group of patients.

Dr. Sandeep Dang's great sense of humor, kindness, and patience make him an amazing physician with a profound commitment to medicine and humanity. Outside of the work environment, Dr. Sandeep Dang loves to spend time with family and friends. He is an avid USC fan and enjoys USC football and basketball games and engaging in outdoor activities.

Board Certified: American Board of Internal Medicine
MD: University of Southern California School, Keck School of Medicine
Internal Medicine Residency: LA+USC County Hospital Los Angeles, CA
Nephrology Fellowship: LA+USC County Hospital Los Angeles, CA
Affiliations: National Kidney Foundation, American Society of Nephrology, Orange County Medical Association, American Medical Association.

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, M.D.

Dr. Essam Mostafa, M.D.

Dr. Essam Mostafa came from a medical family; his father was a surgeon, mother is a dermatologist; sister is a professor at Medical school, his brother is an Associated Clinical Professor at University of San Francisco, Dental School, and his sister is an engineer. Dr, Mostafa graduated among 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 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 Department of Medicine Huntington Beach Hospital, Huntington Beach, California. He was elected as President of Garden Grove Investment, LLC. Served on 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 by 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)

About Us

About OC Kidney

The Nephrologists at Orange County Kidney are specialized doctors with expertise in the kidneys and kidney disease.

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Our Physicians

Sandeep S. Dang, M.D.

A graduate from University of Southern California School of Medicine, Dr. Sandeep Dang is passionate about advancing...

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Procedures & Services

Kidney Failure & Disease

Acute kidney failure is the sudden loss of your kidneys' ability to perform their main function of eliminating...

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