Bariatric & General Surgery in Victoria & Corpus Christi, TX
Dr. Craig Chang and his dedicated staff, leaders in minimally invasive surgery, specialize in gastric bypass, gastric sleeve, TIF for GERD and general surgery procedures alongside medical weight loss options.
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Tirzepatide (GLP-1) Now Available
As low as $85/month.
Request an Appointment
Our primary mission is to take care of you, to assist you in all aspects related to your surgery and health. Visits to the doctor can cause anxiety and we want to alleviate your fears and help you return to health as quickly as possible. You may need surgery or additional testing to help you improve. These things will only be recommended if we truly believe they are in your best interest. Feel free to ask questions, we are here to help.
We offer medical weight loss, bariatric surgery, and general surgery.
Call the office at (361) 570-8585 with any questions or to schedule an appointment.
Latest Blog

By Advanced Bariatric and Surgical Specialists
•
May 19, 2026
Regular visits with your bariatric care team prevents post-surgical complications, keeps nutrition requirements in check, helps track obesity-related health conditions, spurs motivation, reinforces lifelong habits, and provides the medical tools you need, including GLP-1 therapy along the way, to achieve weight loss su

By Advanced Bariatric and Surgical Specialists
•
May 19, 2026
Every human body requires exercise to maintain health, and for bariatric patients, it is a must to maintain a healthy weight and the metabolic effects weight loss surgery provides.
Post-op exercise is a must. There is no way around it.
Weight comes off more easily right after bariatric surgery, but keeping it off and
Areas We Serve
I could not ask for a better doctor and his staff they are wonderful
Dr. Chang is the best of the best. Tells it like it is. And genuinely wants the best for you. Office staff is great as well.
Thanks you to your information in website
Dr. Chang has helped me with my journey with weight loss. He is always there to support me and help me with my health and encourage me with how to eat healthy and exercise. If you need help call Dr.Chang’s office he can help you.
Dr. Chang is tough but tells you things you don’t necessarily want to hear but need to hear! He is encouraging and tells it like it is all in the same sentence!! I would recommend him if you want to feel better and look better!!
Awesome Dr, he is very tough, but it's for our own good. He is always on top of my progress, and what im doing right and what i need improvements on. His staff is awesome very professional and caring.
The associate' s there are informative kind & helpful. You just must discipline your self to a well formulated diet. All & all I would highly recommend Dr.Chang, and the employees of Bariatric Surgical specialists.
Great office visit and good information to help me on my health journey.
Dr. Chang and staff are nice and professional. Been going there over a year and they are always helpful..
I highly recommend Dr. Chang. He will guide you every step of the way on your weight loss journey. He is straight forward and firm. He and his staff are friendly, they take time to explain procedures. Answer any and all questions or concerns you may have.
This journey has been an awesome journey. Dr. Chang has been great and very supportive throughout this process. I would recommend him and his staff to anyone that wants to make a lifestyle/health change.
Highly recommend Dr. Chang and his team. I’ve spent the past 6+months in their care and wouldn’t trade it for the world! They’ve been like family and always provide the information, encouragement and support needed to get me through my journey. Dr. Chang is great at what he does and will give you the guidance you need to get you to your goals! Best decision I’ve ever made! Follow the Dr.’s instructions and you won’t be disappointed! :)
Dr. Chang and his staff have been so supportive in this past year and half. I had the sleeve done 15 years ago and had fallen off and stopped losing weight. I was hesitant to see him because I had failed myself. But seeing him has changed my ways of eating and getting into the gym again. He’s honest and to the point which is what I needed. If you’re feeling the same way don’t hesitate take your health seriously and make the appointment. You’ll feel better and healthier. Thank you Dr. Chang.
Started my journey in May and so far I am very satisfied. Dr. Chang is openly honest and doesn’t sugar coat anything. Some people have a problem with that but I love it. His staff is nice and helpful.
Over the past six months, I have had the pleasure of receiving care from Dr. Chang. I am impressed by the genuine concern he and his staff exhibit for my well-being. Dr. Chang takes the time to thoroughly address my questions and concerns, ensuring that I grasp each concept. Although I was initially uncertain about surgery, I ultimately decided against it and informed Dr. Chang. He was understanding and supportive, and we are collaborating to continue my weight loss journey. Dr. Chang consistently offers constructive feedback, highlighting my accomplishments. His straightforward, in speaking, so he's not going to sugar coat if you were trying to lie to yourself about your weight loss journey, he's very big on eating 3 meals. A day, fruits and vegetables at every meal. It is something after eating unhealthy for so long. That I struggled within the beginning. Now, it's pretty easy.
Dr Chang has re-inspired me to continue on my health journey I started 7 years ago. Although I maintained the weight I lost after Bariatric surgery I slipped back into old habits of snacking and no exercise, causing me to lose muscle mass and body fat in my mid section. I am now back on track with a weight lifting regimen and NO SNACKING starting now. Thank you Dr Chang and staff for your continued support. I am feeling amazing.
I had my gastric bypass almost 5 years ago. I lost about 100 lbs and have kept most of it off. I can’t believe it is me when I see the before pictures now. If you follow Dr. Chang’s advice you will be successful! I fell off the exercise wagon and am working with him now to get back into the gym and up my game. He will help you hold yourself accountable and wants you to be successful! I have had 6 family members/friends go through surgery with him and they all feel better for it!
My experience with Dr. Chang has been nothing but positive. I'm down over 40lbs since beginning our visits a few months ago. The plans and advice provided have been extremely helpful in my journey. I look forward to my appointments and always feel encouraged when I leave.
I love every person that works in the office. Dr. Chang is amazing and they all really care about the patients. 1000% recommend. Dr. Chang is tough on you but it's because he really cares about you and your journey. I wouldn't have been as successful if he was an "easy" doctor. I respect him and 100% fully trust him!
My experience with Dr Chang was and is wonderful. Best decision i made in my life. He tell you like it is, and what to do. If you follow what he says, you will succeed. Thank you again Dr.
Dr Chang is a life saver. I was 300 lbs on the first day that I went to see him. I had high blood pressure, high cholesterol, and on the verge of type 2 diabetes. Had gastric sleeve surgery in July of 2019. Since the surgery I've lost over 100lbs and have kept it off. I've been able to go to the gym and put on muscle as well. It's a lifestyle change. The only regrets that I have is not going to see him sooner. Thank you Dr. Chang!
Very friendly and very helpful




