The 20 Best Colonoscopy Doctors near Alhambra, CA

Find the Experts and Specialists who perform Colonoscopy

The 20 Best Colonoscopy Doctors near Alhambra, CA

Last Updated: 02/22/2026

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MediFind found 464 doctor with experience in Colonoscopy near Alhambra, CA. Of these, 392 are Experienced, 68 are Advanced and 3 are Distinguished.

Location
LocationClose
464 providers found
    Experienced in Colonoscopy
    Cardiology
    Experienced in Colonoscopy
    Cardiology

    Greg Shih-Han Yen Medical Corp.

    1522 S Garfield Ave Ste A, 
    Alhambra, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Greg Yen is a Cardiologist in Alhambra, California. Dr. Yen is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Stable Angina, Metabolic Syndrome, Angina, Colonoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Cardiology
    Experienced in Colonoscopy
    Cardiology

    Office

    7837 Garvey Ave, 
    Rosemead,, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    Tom Yeh is a Cardiologist in Rosemead,, California. Dr. Yeh is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Deep Vein Thrombosis, Gallbladder Disease, Coronary Heart Disease, Gastrostomy, and Colonoscopy.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    Dohenny Eye Medical Group

    1450 San Pablo St, 
    Los Angeles, CA 
     (4.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Marjun Duldulao is a Colorectal Surgeon in Los Angeles, California. Dr. Duldulao is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Rectal Prolapse, Lymphadenectomy, and Ileostomy.

    Learn about our expert tiers
    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    Office

    330 S Garfield Ave Ste 248, 
    Alhambra, CA 
     (0.1 miles away)
    Languages Spoken:
    English

    Bosheng Qiu is an Internal Medicine provider in Alhambra, California. Dr. Qiu is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Childhood Pancreatitis, Gastrostomy, and Colonoscopy.

    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine
    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine

    Kelvin Yeh Md, Inc

    723 S Garfield Ave, 
    Alhambra, CA 
     (0.4 miles away)
    Experience:
    19+ years
    Languages Spoken:
    English
    Offers Telehealth

    Kelvin Yeh is an Internal Medicine specialist and a Gastroenterologist in Alhambra, California. Dr. Yeh has been practicing medicine for over 19 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Indigestion, Hemorrhoids, Swallowing Difficulty, Gastrostomy, and Endoscopy.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    New Valley Medical Group Inc.

    415 W Valley Blvd, 
    San Gabriel, CA 
     (1.5 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Tai-hing Wu is a primary care provider, practicing in Internal Medicine in San Gabriel, California. Dr. Wu has been practicing medicine for over 38 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Necrosis, Hypertensive Heart Disease, Anemia, Colonoscopy, and Gastrostomy.

    Advanced in Colonoscopy
    Family Medicine
    Advanced in Colonoscopy
    Family Medicine

    Unicare Laboratory Inc.

    2835 W Valley Blvd, 
    Alhambra, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Ngo Phan is a primary care provider, practicing in Family Medicine in Alhambra, California. Dr. Phan is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Sepsis, Acute Kidney Failure, COVID-19, Gastrostomy, and Colonoscopy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Zahn & Associates A Medical Corporation

    1026 E Las Tunas Dr, 
    San Gabriel, CA 
     (2.5 miles away)
    Languages Spoken:
    English

    Chester Zahn is a Gastroenterologist in San Gabriel, California. Dr. Zahn is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Gastroparesis, Indigestion, Gastrostomy, and Gastrectomy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    C. George Lai M.D. Inc.

    500 N Garfield Ave Ste 100, 
    Monterey Park, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Chia-chi Lai is a Gastroenterologist in Monterey Park, California. Dr. Lai is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Chronic Erosive Gastritis, Gastrointestinal Bleeding, Anemia, Colonoscopy, and Gastrostomy.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    Office

    600 N Garfield Ave Ste 204, 
    Monterey Park, CA 
     (2.9 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Zetan Nie is a primary care provider, practicing in Internal Medicine in Monterey Park, California. Dr. Nie has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Ogilvie Syndrome, Cellulitis, Sepsis, Colonoscopy, and Gastrostomy.

    Wei Wang
    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Wei Wang Medical Corp.

    223 N Garfield Ave Ste 208, 
    Monterey Park, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Wei Wang is a primary care provider, practicing in Internal Medicine in Monterey Park, California. Dr. Wang is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Tracheitis, Alzheimer's Disease, Hypertension, Gastrostomy, and Colonoscopy.

    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine
    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine

    Alliance Digestive Disease Consultants Medical Group

    50 Alessandro Pl, 
    Pasadena, CA 
     (3.0 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English
    Offers Telehealth

    Julie Yang is an Internal Medicine specialist and a Gastroenterologist in Pasadena, California. Dr. Yang has been practicing medicine for over 25 years and is rated as an Advanced provider by MediFind in Colonoscopy. Her top areas of expertise are Gastrointestinal Bleeding, Gas Bloat Syndrome, Gastric Dysmotility, Colonoscopy, and Gastrectomy.

    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine
    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine

    Alliance Digestive Disease Consultants Medical Group

    50 Alessandro Pl, 
    Pasadena, CA 
     (3.0 miles away)
    Experience:
    36+ years
    Languages Spoken:
    English
    Offers Telehealth

    Sassan Soltani is an Internal Medicine specialist and a Gastroenterologist in Pasadena, California. Dr. Soltani has been practicing medicine for over 36 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Bile Duct Obstruction, Colonoscopy, and Endoscopy.

    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine
    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine

    Genesis Healthcare Partners

    50 Alessandro Pl, 
    Pasadena, CA 
     (3.0 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Wei-chung Chen is an Internal Medicine specialist and a Gastroenterologist in Pasadena, California. Dr. Chen has been practicing medicine for over 15 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Barrett Esophagus, Colonoscopy, and Endoscopy.

    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine
    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine

    Alliance Digestive Disease Consultants Medical Group

    50 Alessandro Pl, 
    Pasadena, CA 
     (3.0 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English
    Offers Telehealth

    Peter Rosenberg is an Internal Medicine specialist and a Gastroenterologist in Pasadena, California. Dr. Rosenberg has been practicing medicine for over 33 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gas Bloat Syndrome, Intestinal Cancer, Endoscopy, and Colonoscopy.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    David Lin Medical Clinic Inc

    3925 Rosemead Blvd Ste 101, 
    Rosemead, CA 
     (3.1 miles away)
    Languages Spoken:
    English

    David Lin is a primary care provider, practicing in Internal Medicine in Rosemead, California. Dr. Lin is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Hepatitis, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Colonoscopy.

    Juan A. Silva
    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Mosaic Family Care Medical Group

    4857 Huntington Dr N, 
    Los Angeles, CA 
     (3.9 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    Juan Silva is a Family Medicine provider in Los Angeles, California. Dr. Silva has been practicing medicine for over 28 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are End-Stage Renal Disease (ESRD), Vitamin D Deficiency, Gallbladder Disease, Gastrostomy, and Endoscopy.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    Robert Siew MD A Medical Corporation

    10 Congress St Ste 155, 
    Pasadena, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Robert Siew is a primary care provider, practicing in Internal Medicine in Pasadena, California. Dr. Siew is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Sepsis, Endoscopy, and Gastrostomy.

    Magdi Alexander
    General Surgery
    General Surgery

    Zaree Babakhanian M.D. Inc.

    50 Bellefontaine St Ste 409, 
    Pasadena, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Magdi Alexander is a General Surgeon in Pasadena, California. Dr. Alexander is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hernia, Retroperitoneal Inflammation, Ogilvie Syndrome, Hernia Surgery, and Gallbladder Removal.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Keck Hospital Of USC

    1500 San Pablo St, 
    Los Angeles, CA 
     (4.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ara Sahakian is a Gastroenterologist in Los Angeles, California. Dr. Sahakian is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Bile Duct Stricture, Choledocholithiasis, Bile Duct Obstruction, Endoscopy, and Colonoscopy.

    Showing 1-20 of 464

    Last Updated: 02/22/2026

    What is the definition of Colonoscopy?

    A colonoscopy is an exam that views the inside of the colon (large intestine) and rectum, using a tool called a colonoscope.

    The colonoscope has a small camera attached to a flexible tube that can reach the entire length of the colon.

    When should I see a Colonoscopy doctor near Alhambra, 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 Colonoscopy doctor near Alhambra, 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 Colonoscopy doctors near Alhambra, 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 Colonoscopy doctors near Alhambra, 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 Colonoscopy doctor near Alhambra, 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 Colonoscopy doctor search results page. 

    Why is it important to get a second opinion from a different Colonoscopy 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 Colonoscopy doctor near Alhambra, 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 Colonoscopy 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 Colonoscopy 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 Colonoscopy doctors near Alhambra, CA?

    Look for the filter feature on the left side of the Colonoscopy 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 Colonoscopy doctor that offers video calls?

    Look for the filter feature on the left-side of the Colonoscopy 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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