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 is board certified in Internal Medicine and Nephrology. He combines an Egyptian background with knowledge and technical expertise that he acquired through years of training at Cairo University Medical School, and Medical College of Virginia.

Dr. Mostafa has worked in private practice in Cairo and Indiana. In June of 2012, Dr. Mostafa joined Orange County Kidney as the newest addition to our group of Nephrologists. As a past Medical Director of a dialysis unit for many years, Dr. Mostafa is very knowledgeable regarding dialysis and End Stage Renal Disease. Dr. Mostafa continually takes courses, attends seminars and stays involved in the community in order to stay on top of medical advances and changes in healthcare.

Dr. Essam Mostofa is known to have excellent bedside manner because of his compassionate and caring approach with his patients. Our Arabic speaking patients find comfort in knowing that Dr. Mostafa is fluent in Arabic and can conduct their consultation in their language. Outside of the work environment, Dr. Mostafa loves to travel and enjoy time with his wife and kids.

Board Certified: Board of Certified: American Board of Internal Medicine
MD: Cairo University Medical School
Internal Medicine: New York University
Nephrology Fellowship: Medical College of Virginia
Affiliations: National Kidney Foundation

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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