The 20 Best Gastric Bypass Doctors near orange, CA

Find the Experts and Specialists who perform Gastric Bypass

Last Updated: 09/26/2026

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MediFind found 22 doctor with experience in Gastric Bypass near orange, CA. Of these, 18 are Experienced and 4 are Advanced.

Location
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22 providers found
    Advanced in Gastric Bypass
    General Surgery
    Advanced in Gastric Bypass
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Vietnamese
    Offers Telehealth

    Ninh Nguyen is a General Surgeon practicing medicine in Orange, California. Dr. Nguyen is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Hernia, Stomach Cancer, Endoscopy, and Gastrectomy.

    Advanced in Gastric Bypass
    Gastroenterology
    Advanced in Gastric Bypass
    Gastroenterology
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jason Samarasena is a Gastroenterologist practicing medicine in Orange, California. Dr. Samarasena is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy. Dr. Samarasena is board certified in American Board Of Internal Medicine - Gastroenterology.

    Advanced in Gastric Bypass
    General Surgery
    Advanced in Gastric Bypass
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Marcelo Hinojosa is a General Surgeon practicing medicine in Orange, California. Dr. Hinojosa is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Obesity, Hernia, Hiatal Hernia, Endoscopy, and Gastric Bypass. Dr. Hinojosa is board certified in American Board Of Surgery - Surgery (General Surgery).

    Learn about our expert tiers
    Advanced in Gastric Bypass
    General Surgery
    Advanced in Gastric Bypass
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shaun Daly is a General Surgeon practicing medicine in Orange, California. Dr. Daly is rated as an Advanced provider by MediFind in Gastric Bypass. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Obesity, Hernia, Endoscopy, and Gallbladder Removal. Dr. Daly is board certified in American Board Of Surgery - Surgery (General Surgery).

    Experienced in Gastric Bypass
    General Surgery
    Experienced in Gastric Bypass
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Annie Wang is a General Surgeon practicing medicine in Orange, California. She has been practicing medicine for over 10 years. Dr. Wang is rated as an Experienced provider by MediFind in Gastric Bypass. Her clinical expertise encompasses Obesity, Arteriovenous Malformation, Gastric Bypass, and Awake Craniotomy. Dr. Wang is board certified in American Board Of Surgery - Surgery (General Surgery).

    Experienced in Gastric Bypass
    Colorectal Surgery | General Surgery
    Experienced in Gastric Bypass
    Colorectal Surgery | General Surgery
    Referral may be required

    UCI Health Surgery Services

    101 The City Drive South, Building 29, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Stamos is a Colorectal Surgeon and a General Surgeon practicing medicine in Orange, California. Dr. Stamos is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Appendicitis, Colorectal Cancer, Diverticular Disease, Appendectomy, and Endoscopy. Dr. Stamos is currently accepting new patients.

    Experienced in Gastric Bypass
    Gastroenterology
    Experienced in Gastric Bypass
    Gastroenterology
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Paiji is a Gastroenterologist practicing medicine in Orange, California. Dr. Paiji is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Pancreatic Pseudocyst, Gastroparesis, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Paiji is board certified in American Board Of Internal Medicine - Gastroenterology and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Gastric Bypass
    Internal Medicine
    Experienced in Gastric Bypass
    Internal Medicine

    Orange County - Anaheim Medical Center

    3440 E La Palma Avenue, 
    Anaheim, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Raymond Chung is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Chung is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Hepatitis C, Hepatitis, Cirrhosis, Liver Transplant, and Kidney Transplant. Dr. Chung is currently accepting new patients.

    Experienced in Gastric Bypass
    Ophthalmology
    Experienced in Gastric Bypass
    Ophthalmology
    Referral may be required
    1031 West Chapman Avenue, Suite 204, 
    Orange, CA 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jaffer Kattan is an Ophthalmologist practicing medicine in Orange, California. Dr. Kattan is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Glaucoma, Cataract, Diabetic Retinopathy, Late-Onset Retinal Degeneration, and Gastric Bypass. Dr. Kattan is currently accepting new patients.

    Experienced in Gastric Bypass
    Experienced in Gastric Bypass
    Referral may be required

    Childrens Hospital Of Orange County Specialty Clinic

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Tammy Tran is a Pediatrics provider practicing medicine in Orange, California. Dr. Tran is rated as an Experienced provider by MediFind in Gastric Bypass. Her clinical expertise encompasses Gastric Bypass and Colonoscopy.

    Experienced in Gastric Bypass
    Internal Medicine
    Experienced in Gastric Bypass
    Internal Medicine

    Office

    101 The City Dr S Ste 400, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Peter Nguyen is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Nguyen is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Esophageal Perforation, Wandering Spleen, Necrosis, Endoscopy, and Colonoscopy.

    Experienced in Gastric Bypass
    Experienced in Gastric Bypass
    Referral may be required

    Office

    333 City Blvd W Ste 850, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Christopher Armstrong is a General Surgeon practicing medicine in Orange, California. Dr. Armstrong is rated as an Experienced provider by MediFind in Gastric Bypass. His clinical expertise encompasses Obesity, Gastrectomy, and Gastric Bypass.

    Experienced in Gastric Bypass
    Internal Medicine
    Experienced in Gastric Bypass
    Internal Medicine

    Chapman Global Medical Center

    2601 E Chapman Ave, 
    Orange, CA 
     (1.7 miles away)
    Languages Spoken:
    English

    Hassan Aliakbarian is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Aliakbarian is rated as an Experienced provider by MediFind in Gastric Bypass. His clinical expertise encompasses Obesity, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Gastric Bypass, and Sleeve Gastrectomy.

    Experienced in Gastric Bypass
    Internal Medicine
    Experienced in Gastric Bypass
    Internal Medicine

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Anastasia Chahine is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Chahine is rated as an Experienced provider by MediFind in Gastric Bypass. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Jaundice, Scrotal Swelling, Hereditary Pancreatitis, Endoscopy, and Colonoscopy.

    Experienced in Gastric Bypass
    Experienced in Gastric Bypass
    Referral may be required

    University Surgeons Of Orange A Medical Group

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Kishore Gadde is a Psychiatrist practicing medicine in Orange, California. Dr. Gadde is rated as an Experienced provider by MediFind in Gastric Bypass. His clinical expertise encompasses Gastric Bypass and Sleeve Gastrectomy.

    Experienced in Gastric Bypass
    Gastroenterology
    Experienced in Gastric Bypass
    Gastroenterology
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Joshua Kwon is a Gastroenterologist practicing medicine in Orange, California. Dr. Kwon is rated as an Experienced provider by MediFind in Gastric Bypass. His clinical expertise encompasses Viral Gastroenteritis, Hepatitis B, Esophagitis, Endoscopy, and Gastric Bypass. Dr. Kwon is board certified in American Board Of Internal Medicine - Gastroenterology and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Gastric Bypass
    Bariatric Medicine
    Experienced in Gastric Bypass
    Bariatric Medicine
    Referral may be required

    Milton Leroy Owens MD Inc

    2617 E Chapman Ave Ste 307, 
    Orange, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Milton Owens is a Bariatric Medicine provider practicing medicine in Orange, California. Dr. Owens is rated as an Experienced provider by MediFind in Gastric Bypass. His clinical expertise encompasses Obesity, Sleeve Gastrectomy, and Gastric Bypass.

    Experienced in Gastric Bypass
    General Surgery
    Experienced in Gastric Bypass
    General Surgery
    Referral may be required

    Iqbal Surgical Associates

    18225 Brookhurst St, 
    Fountain Valley, CA 
     (8.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sahil Gambhir is a General Surgeon practicing medicine in Fountain Valley, California. Dr. Gambhir is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Hernia, Obesity, Gastrectomy, and Sleeve Gastrectomy. Dr. Gambhir is board certified in American Board Of Surgery.

    Experienced in Gastric Bypass
    Plastic Surgery
    Experienced in Gastric Bypass
    Plastic Surgery
    Referral may be required
    1950 Sunny Crest Drive, Suite 2300, 
    Fullerton, CA 
     (8.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Henry Lin is a Plastic Surgeon practicing medicine in Fullerton, California. Dr. Lin is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Basal Cell Skin Cancer, Squamous Cell Skin Carcinoma, Head and Neck Squamous Cell Carcinoma (HNSCC), Vitrectomy, and Gastric Bypass. Dr. Lin is currently accepting new patients.

    Experienced in Gastric Bypass
    Experienced in Gastric Bypass
    Referral may be required

    Preventive Healthcare Medical Centers

    500 Superior Ave, 
    Newport Beach, CA 
     (11.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Adrian Dobrowolsky is a General Surgeon practicing medicine in Newport Beach, California. Dr. Dobrowolsky is rated as an Experienced provider by MediFind in Gastric Bypass. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hernia, Obesity, Achalasia, Gastrectomy, and Endoscopy.

    Showing 1-20 of 22

    Last Updated: 09/26/2026

    What is the definition of Gastric Bypass?

    Gastric bypass is surgery that helps you lose weight by changing how your stomach and small intestine handle the food you eat.

    After the surgery, your stomach will be smaller. You will feel full with less food.

    Also, the food you eat will no longer go into some parts of your small intestine that absorb the nutrients in food. Because of this, your body will not get all of the calories from the food you eat, and the hormones your body makes in response to the passage of food will change.

    When should I see a Gastric Bypass doctor near orange, CA?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Gastric Bypass doctor near orange, CA?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Gastric Bypass doctors near orange, CA?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Gastric Bypass doctors near orange, CA?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Gastric Bypass doctor near orange, CA?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Gastric Bypass doctor search results page. 

    Why is it important to get a second opinion from a different Gastric Bypass doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Gastric Bypass doctor near orange, CA?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Gastric Bypass doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Gastric Bypass doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Gastric Bypass doctors near orange, CA?

    Look for the filter feature on the left side of the Gastric Bypass doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Gastric Bypass doctor that offers video calls?

    Look for the filter feature on the left-side of the Gastric Bypass doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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