The 20 Best Colonoscopy Doctors near Pasadena, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 427 doctor with experience in Colonoscopy near Pasadena, CA. Of these, 364 are Experienced, 60 are Advanced and 2 are Distinguished.

Location
LocationClose
427 providers found
    General Surgery
    General Surgery

    Zaree Babakhanian M.D. Inc.

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

    Magdi Alexander is a General Surgeon practicing medicine in Pasadena, California. Dr. Alexander is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Hernia, Retroperitoneal Inflammation, Ogilvie Syndrome, Hernia Surgery, and Gallbladder Removal. Dr. Alexander is board certified in American Board Or Surgery.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Simon M. Keushkerian, MD Private Practice

    1505 Wilson Terr, Ste 330, 
    Glendale, CA 
     (5.0 miles away)
    Languages Spoken:
    English, Arabic, Armenian, Farsi
    Accepting New Patients

    Treat patients with respect and compassion in a professional environment. Dr. Keushkerian is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Gallstones, Hernia, Choledocholithiasis, Hernia Surgery, and Colostomy. Dr. Keushkerian is board certified in Surgery General Surgery. Dr. Keushkerian is currently accepting new patients.

    Experienced in Colonoscopy
    Cardiology
    Experienced in Colonoscopy
    Cardiology

    Graidukel Med Inc.

    2750 E Washington Blvd Ste 370, 
    Pasadena,, CA 
     (3.4 miles away)
    Languages Spoken:
    English

    Iduama Kelly is a Cardiologist practicing medicine in Pasadena,, California. Dr. Kelly is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Sengers Syndrome, Metabolic Syndrome, Heart Failure with Preserved Ejection Fraction (HFpEF), Pacemaker Implantation, and Colonoscopy.

    Learn about our expert tiers
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Edgar Mehdikhani, MD Private Practice

    222 W Eulalia St, Ste 114, 
    Glendale, CA 
     (6.6 miles away)
    Languages Spoken:
    English, Armenian, Farsi
    Accepting New Patients
    Offers Telehealth

    Dr. Edgar Medhikhani, MD is a Gastroenterologist in Los Angeles, CA and has over 15 years of experience in the medical field. He is accepting new patients and has indicated that he accepts telehealth appointments. Be sure to call ahead with Dr. Mehdikhani to book an appointment. Dr. Mehdikhani is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Gas Bloat Syndrome, Gastric Dysmotility, Familial Adenomatous Polyposis, Gastrectomy, and Gastrostomy. Dr. Mehdikhani is currently accepting new patients.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    GI Center Of California

    520 S Virgil Ave, Ste 202, 
    Los Angeles, CA 
     (10.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Andrew Kim is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Kim is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Indigestion, Portal Hypertension, Childhood Volvulus, Gastrectomy, and Gastrostomy. Dr. Kim is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Kim is currently accepting new patients.

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

    Alliance Digestive Disease Consultants Medical Group

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

    Julie Yang is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Pasadena, California. She has been practicing medicine for over 25 years. Dr. Yang is rated as an Advanced provider by MediFind in Colonoscopy. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Gastrointestinal Bleeding, Gas Bloat Syndrome, Gastric Dysmotility, Colonoscopy, and Gastrectomy. Dr. Yang is board certified in American Board Of Internal Medicine.

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

    Alliance Digestive Disease Consultants Medical Group

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

    Sassan Soltani is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Pasadena, California. He has been practicing medicine for over 36 years. Dr. Soltani is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Bile Duct Obstruction, Colonoscopy, and Endoscopy. Dr. Soltani is board certified in American Board Of Internal Medicine.

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

    Genesis Healthcare Partners

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

    Wei-chung Chen is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Pasadena, California. He has been practicing medicine for over 15 years. Dr. Chen is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Barrett Esophagus, Colonoscopy, and Endoscopy. Dr. Chen is board certified in American Board Of Internal Medicine.

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

    Alliance Digestive Disease Consultants Medical Group

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

    Peter Rosenberg is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Pasadena, California. He has been practicing medicine for over 33 years. Dr. Rosenberg is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Gas Bloat Syndrome, Intestinal Cancer, Endoscopy, and Colonoscopy. Dr. Rosenberg is board certified in American Board Of Internal Medicine.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    Robert Siew MD A Medical Corporation

    10 Congress St Ste 155, 
    Pasadena, CA 
     (1.4 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. He is also highly rated in 41 other conditions, according to our data. His clinical expertise encompasses Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Sepsis, Endoscopy, and Gastrostomy.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    Office

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

    Bosheng Qiu is an Internal Medicine provider practicing medicine in Alhambra, California. Dr. Qiu is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Hereditary Pancreatitis, Acute Pancreatitis, Childhood Pancreatitis, Gastrostomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Edgar C. Banez, MD Private Practice

    4867 Eagle Rock Blvd, 
    Los Angeles, CA 
     (4.2 miles away)
    Languages Spoken:
    English, Filipino, Spanish
    Accepting New Patients

    Proper medical care is care from the heart. Dr. Banez is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses ALK-Positive Non-Small Cell Lung Cancer, Small Cell Lung Cancer (SCLC), Lung Adenocarcinoma, Gastrostomy, and Endoscopy. Dr. Banez is currently accepting new patients.

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

    Kelvin Yeh Md, Inc

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

    Kelvin Yeh is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Alhambra, California. He has been practicing medicine for over 19 years. Dr. Yeh is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Indigestion, Hemorrhoids, Painful Swallowing, Gastrostomy, and Endoscopy. Dr. Yeh is board certified in American Board Of Internal Medicine.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Zahn & Associates A Medical Corporation

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

    Chester Zahn is a Gastroenterologist practicing medicine in San Gabriel, California. Dr. Zahn is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Gastroparesis, Indigestion, Gastrostomy, and Gastrectomy.

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

    Frederick A. Boghossian Md., Inc.

    1560 E Chevy Chase Dr, 
    Glendale, CA 
     (4.9 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English

    Frederick Boghossian is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Glendale, California. He has been practicing medicine for over 31 years. Dr. Boghossian is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Gastrointestinal Bleeding, Diverticular Disease, Gastrectomy, and Gastrostomy. Dr. Boghossian is board certified in American Board Of Internal Medicine.

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

    Pasadena Gastroenterology Medical Group, Inc.

    1560 E Chevy Chase Dr, 
    Glendale, CA 
     (4.9 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Isaac Bartley is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Glendale, California. He has been practicing medicine for over 44 years. Dr. Bartley is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Anemia, Painful Swallowing, Endoscopy, and Gastrostomy. Dr. Bartley is board certified in American Board Of Internal Medicine.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Hwan Z. Suk, MD Private Practice

    1560 E Chevy Chase Dr, Ste 240, 
    Glendale, CA 
     (4.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Suk is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Necrosis, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Gastrostomy, and Colonoscopy. Dr. Suk is currently accepting new patients.

    Advanced in Colonoscopy
    Family Medicine
    Advanced in Colonoscopy
    Family Medicine

    Unicare Laboratory Inc.

    2835 W Valley Blvd, 
    Alhambra, CA 
     (4.9 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. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Sepsis, Acute Kidney Failure, COVID-19, Gastrostomy, and Colonoscopy.

    Experienced in Colonoscopy
    Nephrology
    Experienced in Colonoscopy
    Nephrology

    Duc C. Bui, MD Private Practice

    801 S Chevy Chase Dr, Ste 101, 
    Glendale, CA 
     (5.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Board Certified in Internal Medicine  1988Board Certified in Geriatric Medicine  2006Board Certified in Nephrology 2007 Fellow, American College of PhysiciansMember, American Medical AssociationDiplomate, American Board of Quality Assurance and Utilization PhysiciansAmerica's Top Physicians 2012  (Consumers' Research Council of America). Dr. Bui is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Necrosis, Acute Kidney Failure, Chronic Kidney Disease, Gastrostomy, and Vertebroplasty. Dr. Bui is board certified in Internal Medicine, Internal Medicine (Sub: Geriatric Medicine), and Internal Medicine (Sub: Nephrology). Dr. Bui is currently accepting new patients.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Mehdi Khorsandi, MD Private Practice

    1510 S Central Ave, Ste 620, 
    Glendale, CA 
     (6.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Khorsandi is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Bacterial Gastroenteritis, Small Bowel Bacterial Overgrowth, Gastrectomy, and Gastrostomy. Dr. Khorsandi is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Khorsandi is currently accepting new patients.

    Showing 1-20 of 427

    Last Updated: 04/28/2026

    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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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 Pasadena, 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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