About

Dr. John W. Wang, who specializes in internal medicine, has relocated his successful Southern California practice to Fountain Valley.

Dr. Wang is board certified in internal medicine. He received his M.D. degree from the University of Texas, San Antonio after graduating with honors from the California Institute of Technology.

As a primary care physician (PCP), Dr. Wang is your personal physician, generally the first person you see for a regular physical exam or specific health problem. He will know all about your medical history, changes that have occurred over time, and your ongoing health and wellness.

Dr. Wang will recommend an individual, customized treatment plan for you to begin feeling your best. He will refer you to specialists as needed and will track and monitor your specialty care as it relates to you as a whole person. Our patients enjoy service in a clean and stylishly modern office setting. Consultations are completely confidential and done in a comfortable and friendly manner.

Languages

English

Provider Specialty

Internal Medicine, Primary Care

Areas of Care

Education

Medical School

University of Texas Medical School at San Antonio

1999

Internship/Residency - Internal Medicine

Kern County Medical Center - UCLA

2002

Locations & Affiliations

Locations

Insurance

Please consult your health care provider or health plan for the most accurate information about your health plan’s coverage of a particular health care service offered at a MemorialCare facility. Learn more about our Accepted Health Plans.

Patient Reviews

4.9 out of 5
(500 Ratings)
Dec 11, 2025
Lisa H.
Dec 9, 2025
Luis F.
He’s just an awesome dr been going to him for years now.
Dec 9, 2025
Monica L.
Dr. Wang paid attention to all my questions and needs... he immediately focused on my health.
Dec 8, 2025
Noel C.
Dr Wang has great bedside manner. He answers all my questions clearly. He spend sufficient time making me feel heard.
Dec 8, 2025
Luis F.
He’s just awesome
Dec 5, 2025
Hao L.
Dr Wang spent time with his patients and is very thorough .
Dec 4, 2025
Joseph W.
Nov 25, 2025
Manoochehr K.
Nov 14, 2025
Frances M.
Completely understood my health situation. Extremely educated, understands & listens to the patient. Gives excellent advise.
Nov 8, 2025
Fetulele L.
Easy online check-in and payment, staff are kind and helpful, and Dr. Wong is always helpful and nice.

Source: Reviews are aggregated from third-party review sites such as Facebook, Google, HealthGrades, RepuGen, Vitals, WebMD, and Yelp.