The 20 Best Colonoscopy Doctors near West Covina, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 265 doctor with experience in Colonoscopy near West Covina, CA. Of these, 228 are Experienced, 35 are Advanced and 1 are Distinguished.

Location
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265 providers found
    Distinguished in Colonoscopy
    Gastroenterology
    Distinguished in Colonoscopy
    Gastroenterology

    Trilokesh Kidambi, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Trilokesh Kidambi is a Gastroenterologist practicing medicine in Duarte, California. Dr. Kidambi is rated as a Distinguished provider by MediFind in Colonoscopy. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Familial Colorectal Cancer, Colorectal Cancer, Colonoscopy, and Endoscopy.

    Advanced in Colonoscopy
    Advanced in Colonoscopy

    Ryotaro Nakamura, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ryotaro Nakamura is an Oncologist practicing medicine in Duarte, California. Dr. Nakamura is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Chronic Graft Versus Host Disease (cGvHD), Myelodysplastic Syndrome (MDS), Bone Marrow Transplant, and Bone Marrow Aspiration.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Digestive And Liver Disease Specialists

    4111 Maine Ave, 
    Baldwin Park, CA 
     (1.8 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Rangarao Panguluri is a Gastroenterologist practicing medicine in Baldwin Park, California. He has been practicing medicine for over 44 years. Dr. Panguluri is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Swallowing Difficulty, Painful Swallowing, Chronic Erosive Gastritis, Gastrostomy, and Gastrectomy. Dr. Panguluri is board certified in American Board Of Internal Medicine.

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

    Citrus Valley Gastroenterology A California Medical Corporation

    500 W San Bernardino Rd, 
    Covina, CA 
     (2.7 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English

    Osama Sidhom is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Covina, California. He has been practicing medicine for over 41 years. Dr. Sidhom is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 55 other conditions, according to our data. His clinical expertise encompasses Swallowing Difficulty, Painful Swallowing, Gastrointestinal Bleeding, Gastrostomy, and Gastrectomy. Dr. Sidhom is board certified in American Board Of Internal Medicine.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Boston Medical And Surgical Dermatology

    247 W San Bernardino Rd, 
    Covina, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shahnawaz Jaffer is a Gastroenterologist practicing medicine in Covina, California. Dr. Jaffer 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 VIPoma, Diverticular Disease, Esophagitis, Colonoscopy, and Gastrectomy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    James Lin is a Gastroenterologist practicing medicine in Duarte, California. Dr. Lin is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Bile Duct Stricture, Bile Duct Obstruction, Cholestasis, Colonoscopy, and Gastrectomy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Gregory E. Idos, M.D., M.S.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gregory Idos is a Gastroenterologist practicing medicine in Duarte, California. Dr. Idos is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, DICER1 Syndrome, Familial Colorectal Cancer, Colonoscopy, and Endoscopy.

    Advanced in Colonoscopy
    Advanced in Colonoscopy

    Ibrahim T. Aldoss, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Ibrahim Aldoss is an Oncologist practicing medicine in Duarte, California. Dr. Aldoss is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Leukemia, Acute Myeloid Leukemia (AML), Bone Marrow Aspiration, and Bone Marrow Transplant.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Dupinder Singh, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dupinder Singh is a Gastroenterologist practicing medicine in Duarte, California. Dr. Singh is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Jaundice, Dubin-Johnson Syndrome, Rotor Syndrome, Colonoscopy, and Lithotripsy.

    Advanced in Colonoscopy
    Advanced in Colonoscopy

    Anthony S. Stein, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Anthony Stein is an Oncologist practicing medicine in Duarte, California. Dr. Stein is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Acute Lymphoblastic Leukemia (ALL), Leukemia, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Colonoscopy
    Hematology | Oncology
    Experienced in Colonoscopy
    Hematology | Oncology

    Stephen J. Forman, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stephen Forman is a Hematologist and an Oncologist practicing medicine in Duarte, California. Dr. Forman is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Colonoscopy
    Oncology
    Experienced in Colonoscopy
    Oncology

    Yan Xing, M.D., PH.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Yan Xing is an Oncologist practicing medicine in Duarte, California. Dr. Xing is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Melanoma, Merkel Cell Carcinoma, Adenoid Cystic Carcinoma, Epithelial-Myoepithelial Carcinoma, and Colonoscopy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Alex Herrera, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Alex Herrera is an Oncologist practicing medicine in Duarte, California. He has been practicing medicine for over 17 years. Dr. Herrera is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Hodgkin Lymphoma, Classical Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Herrera is board certified in American Board Of Internal Medicine, Hematology and American Board Of Internal Medicine, Oncology.

    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Joanne Mortimer, M.D., F.A.C.P., F.A.S.C.O.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Joanne Mortimer is an Oncologist practicing medicine in Duarte, California. Dr. Mortimer is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, HER-2 Positive Breast Cancer, and Colonoscopy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Brian Ball, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brian Ball is an Oncologist practicing medicine in Duarte, California. Dr. Ball is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Acute Myeloblastic Leukemia with Maturation, Acute Myeloblastic Leukemia without Maturation, Childhood Acute Myeloid Leukemia, Bone Marrow Aspiration, and Colonoscopy. Dr. Ball is board certified in Internal Medican, Hematology, and Oncology.

    Experienced in Colonoscopy
    Medical Genetics | Oncology
    Experienced in Colonoscopy
    Medical Genetics | Oncology

    City Of Hope Medical Foundation

    1500 E Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Stephen Gruber is a Medical Genetics specialist and an Oncologist practicing medicine in Duarte, California. Dr. Gruber 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 Colorectal Cancer, Familial Colorectal Cancer, Lynch Syndrome, Melanoma, and Colonoscopy.

    Experienced in Colonoscopy
    Holistic Medicine
    Experienced in Colonoscopy
    Holistic Medicine
    11804 Valley Blvd., 
    El Monte, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Lei Yang is a Holistic Medicine provider practicing medicine in El Monte, California. Mr. Yang is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Fractured Spine, Kienbock's Disease, Congenital Bronchobiliary Fistula, Endoscopy, and Vertebroplasty.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Mumtaz Akram MD Inc.

    906 S Sunset Ave Ste 104, 
    West Covina, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Mumtaz Akram is an Internal Medicine provider practicing medicine in West Covina, California. Dr. Akram is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Diverticular Disease, Enlarged Liver, Gastrostomy, and Gastrectomy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Anil Gupta MD Inc.

    1535 W Merced Ave Ste 301, 
    West Covina, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Anil Gupta is a primary care provider, practicing in Internal Medicine in West Covina, California. Dr. Gupta is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Neonatal Sepsis, Sepsis, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Emanate Health Queen Of The Valley Hospital

    1115 S Sunset Ave, 
    West Covina, CA 
     (0.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mana Goshtasbi is a primary care provider, practicing in Internal Medicine in West Covina, California. Dr. Goshtasbi is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Volkmann Contracture, Ogilvie Syndrome, Acute Kidney Failure, Gastrostomy, and Ureteroscopy.

    Showing 1-20 of 265

    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 West Covina, 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 West Covina, 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 West Covina, 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 West Covina, 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 West Covina, 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 West Covina, 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 West Covina, 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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