Sang-ick Chang

Family medicine doctor

Clinical Professor, Medicine - Primary Care and Population Health

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Languages Spoken:
Korean , Spanish

Professional Summary

Professional Education
  • Residency: UCSF Family Medicine Residency (1990) CA
  • Medical Education: University of California at San Francisco School of Medicine (1987) CA
  • Board Certification: American Board of Family Medicine, Family Medicine (1991)
  • MPH, University of California, Berkeley, Public Health (2007)
  • BA, Harvard College, Psychology (1982)

Administrative Appointments
  • Associate Dean for Primary Care & Population Health, Stanford School of Medicine (2012 - Present)
  • Division Chief, Primary Care and Population Health, Department of Medicine (2016 - Present)


Specializing In

  • LGBT Health
  • Senior Health

Practice Locations

Stanford Primary Care in Portola Valley Portola Valley, CA
Portola Valley, CA

3250 Alpine Road

Portola Valley , CA 94028

(650) 498-9000

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Patient Ratings

(266 Ratings)

Overall Rating

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Friendliness/courtesy of CP
CP explanations of prob/condition
CP concern for questions/worries
Care provider's efforts to include you in decisions about your care
CP efforts to include in decisions
Clear Communication
CP spoke using clear language
Time Spent
Patients' confidence in CP
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The Patients Ratings and comments are gathered from our Patient Satisfaction Survey and displayed in their entirety.

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Patient Reviews

(75 reviews)

Very competent with great depth of medical knowledge. Also provides the human-touch & care.
Dr. Sang-Ick Chang is excellent.
I had Dr. Chang as my primary care physician since 2012, he has been EXCELLENT!
Pleasure to meet Dr. Chang.
Dr. Chang is very good at listening to my concerns and discussing them.
I am very satisfied with my provider. He answered all my questions and seems knowledgeable and helpful.
Very good listener.
Dr. Chang is a wonderful physician - personable, engaging, clear about options for care, thorough, patient & a wonderful listener.
Dr. Chang is great and his advice, practice, & procedures are great.
One of the best care providers.
Great explanation! I truly walked out understanding what may be going on (pending test results).
Dr. Chang is a competent & understanding MD.
Have been coming to Dr. Chang for many years and would highly recommend him to all of my family/friends.
Most professional as well as caring and knowledgable.
Dr. Chang was very friendly and kindly.
We had a long discussion, senior care, good advice about surgeries for knee & back. Listened attentively, easy person to talk with.
Dr. Chang lost his cool & patience when I asked him a couple of questions. He threw a "temper-tantrum" on one & I don't think that was appropriate.
He made sure all my questions were addressed.
Yes Dr. Sang-ick Chang is a very good dr. my confidence in this care, I'll recommending his care to others.
Dr. Chang informed me I had a cyst on my finger - Not trigger finger as another doctor told me. I was able to fix the problem and am now pain free!
Excellent style.
Dr. Chang is super great!
Every visit with Dr. Chang is a joy. I hate for them to end.
I am always thankful to have Dr. Sang Ick Chang as my doctor.
I specially appreciated the follow up call I received from Dr. Chang a few days after the visit. It show real care! Thanks.
Excellent care and friendly personality.
Very professional & caring!
Dr. Chang is an excellent doctor - and I have seen quite a few -
Dr. Chang has been my doc for several years. He's just great!
It was my first time with Dr. Chang, but he was awesome! Very knowledgeable and showed genuine concern for me; really felt taken care of.
Despite short time of appt. we covered everything thoroughly to my satisfaction.
Dr. Chang had obviously read all my reports and was totally up to date with my condition. Very kind and helpful.
Dr. Chang provides outstanding health care. It is no surprise that patients provide positive feedback.
Dr Ick-Chang was exceptional - kind, empathetic, knowledgeable & caring. One of the very best physicians I have ever seen!!!
Thanks for take care of my health!
Dr. Chang was friendly, expert, and efficient. I am happy that he is now my primary care physician.
He is great!
I appreciate care provider's professionalism.
I feel very, very fortunate to have him as my doctor. He is exceptionally knowledgeable and has a firm grasp of my medical history, despite having only seen him twice thus far. On top of that, he is kind, compassionate, funny, and seems like he has all the time in the world for me- despite the fact he is very busy. I repeat, i feel VERY lucky to have him as my doctor!
Dr. Chang is the best PCC I have ever had! He's friendly, connected, down-to-earth, knowledgeable and conversational. I could not ask anything more from my doctor.
Always outstanding!
Very thorough and personable
It was my first meeting with Dr. Chang and it was a very, very positive experience. i feel like i'm in great, capable, caring, considerate, and thoughtful hands. what more could a patient want?!
Dr. Chang is excellent in dr./patient relationship. He is caring & concerned & remembers me very well a good guy!
Dr. Chang is really great! ...had a lot of docs.
Very grateful that Dr Chang could fit me in so quickly, and I appreciate his thoroughness and care.
I like and have confidence in my doctor. So far, I've only seen him for annual wellness visits because it have no serious problems. For podiatry, dermatology he's recommended good people.
Dr. Chang is great very comfortable with him in his advise. Professionalism & personality.
thorough /checks with my condition
I can't believe how much time Dr. Chang spent with our son and me. 1 1/2 hours one time and an hour another. We just aren't used to that in a doctor's office these days.
Top MD @ Stanford.
Always a good experience when I see Dr. Chang.
Doc has been so amazing on email-saving me visits! Advising meds & opening a new spot for me on Friday afternoon! He is so kind & caring! Great doc!
Excellent Doctor. I had very serious anxiety and the doctor helped me understand what was wrong and how we could solve it as well as how long it would take. He also has saved me at least 3 visits via being so responsive 24-7 on the my health app. He is so great!
I feel fortunate to have Dr. Sang-Ick Chang for my provider.
Dr. Chang is a great listener. Very patient & does a great job explaining tests & test results. I highly value him as my doctor.
He always responds to my questions by email immediately and thoroughly!!! Very helpful and compassionate. I wish he were more available in the clinic. He's available only afternoon.
The doctor is very competent.
Sang-Ick Chang, M.D. is a wonderful provider. He is warm, professional, well informed, shared and was very generous with his time. My systolic blood pressure was slightly over normal and he shared research findings regarding hypertension and offered me choices to improve my health. I am very lucky that he is my physician. Thank you
Dr. Chang actually called ophthalmology to make sure it was safe for me to wait until the next business day to be seen at the Eye Clinic. Very impressive!! (Eye Clinic did not have available appts. on Friday).
Dr Chang does an excellent job and is a pleasure for me to work with on my care.
Dr. Chang is excellent.
The visit gave me confidence of being cared by competent and courteous medical staff.
He is a very experienced dr. He's recommendation is very good! His discussion about treatment is very effective, and useful. He needs to be patient to listen to all my concern. He seemed doesn't have enough time or patient to listen to my concerns.
Friendliness & care.
Friendly, courteous, informed.
Dr. Chang is awesome! Intelligent, knowledgeable, but very down to earth & approachable.
We have great confidence and comfort in Dr. Chang.
Dr. Chang called me @ home over the weekend to see if I was better.
Dr. Chang is the kind of doctor that I will go to, recommend to.
My initial visit. Excellent experience.

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