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    Last Updated: 10/30/2025

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    MediFind found 2452 doctor with experience in Colonoscopy near California, US. Of these, 2173 are Experienced, 254 are Advanced, 15 are Distinguished and 8 are Elite.

    Location
    LocationClose
    2,452 providers found
      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology

      Regents Of The University Of California

      400 Parnassus Ave, 
      San Francisco, CA 
      Languages Spoken:
      English

      Tonya Kaltenbach is a Gastroenterologist in San Francisco, California. Dr. Kaltenbach is rated as an Elite provider by MediFind in Colonoscopy. Her top areas of expertise are Colorectal Polyps, Colorectal Cancer, Turcot Syndrome, Colonoscopy, and Endoscopy.

      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology

      Stanford Health Care

      300 Pasteur Dr, 
      Stanford, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Uri Ladabaum is a Gastroenterologist in Stanford, California. Dr. Ladabaum is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology

      Kaiser Permanente Walnut Creek Medical Center - Gastroenterology

      1515 Newell Avenue, 
      Walnut Creek, CA 
      Languages Spoken:
      English
      Accepting New Patients

      Theodore Levin is a Gastroenterologist in Walnut Creek, California. Dr. Levin is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Turcot Syndrome, Colonoscopy, and Endoscopy. Dr. Levin is currently accepting new patients.

      Learn about our expert tiers
      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology
      2200 Ofarrell St, 
      San Francisco, CA 
      Languages Spoken:
      English

      Douglas Corley is a Gastroenterologist in San Francisco, California. Dr. Corley is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Barrett Esophagus, Familial Colorectal Cancer, Colonoscopy, and Endoscopy.

      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology
      200 Medical Plaza, #365,530,420,120, 
      Los Angeles, CA 
      Languages Spoken:
      English

      Ian Gralnek is a Gastroenterologist in Los Angeles, California. Dr. Gralnek is rated as an Elite provider by MediFind in Colonoscopy. Her top areas of expertise are Gastrointestinal Bleeding, Esophageal Varices, Portal Hypertension, Endoscopy, and Colonoscopy.

      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology
      2490 Hospital Dr Ste 211, 
      Mountain View, CA 
      Languages Spoken:
      English

      Roy Soetikno is a Gastroenterologist in Mountain View, California. Dr. Soetikno is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Polyps, Colorectal Cancer, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy.

      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology

      Stanford Health Care

      450 Broadway St, 
      Redwood City, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Shai Friedland is a Gastroenterologist in Redwood City, California. Dr. Friedland is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Barrett Esophagus, Colorectal Polyps, Endoscopy, and Colonoscopy.

      Elite in Colonoscopy
      Gastroenterology
      Elite in Colonoscopy
      Gastroenterology

      Uc Regents

      101 The City Dr S, 
      Orange, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Jason Samarasena is a Gastroenterologist in Orange, California. Dr. Samarasena is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy.

      Advanced in Colonoscopy
      Gastroenterology
      Advanced in Colonoscopy
      Gastroenterology

      Enloe Medical Center

      111 Raley Blvd, Suite 100, 
      Chico, CA 
      Languages Spoken:
      English

      Peter Bangsund is a Gastroenterologist in Chico, California. Dr. Bangsund is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Esophagitis, Colitis, Lower Esophageal Ring, Colonoscopy, and Gastrectomy.

      Advanced in Colonoscopy
      Gastroenterology
      Advanced in Colonoscopy
      Gastroenterology

      Cedars-Sinai Medical Care Foundation

      8536 Wilshire Blvd, Suite 202, 
      Beverly Hills, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Andres Yarur is a Gastroenterologist in Beverly Hills, California. Dr. Yarur is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Ulcerative Colitis, Viral Gastroenteritis, Hemorrhagic Proctocolitis, Small Bowel Resection, and Endoscopy.

      Stephen J. Forman
      Experienced in Colonoscopy
      Experienced in Colonoscopy

      City Of Hope Medical Foundation

      1500 Duarte Rd, 
      Duarte, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Stephen Forman is a Hematologist in Duarte, California. Dr. Forman is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Non-Hodgkin Lymphoma, Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Bone Marrow Transplant, and Bone Marrow Aspiration.

      Kyle G. Cologne
      Experienced in Colonoscopy
      Colorectal Surgery
      Experienced in Colonoscopy
      Colorectal Surgery

      USC Care Medical Group Inc

      1500 San Pablo St, 
      Los Angeles, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Kyle Cologne is a Colorectal Surgeon in Los Angeles, California. Dr. Cologne is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Fistula, Rectal Prolapse, Hemorrhoids, Colostomy, and Hemorrhoidectomy.

      Alex F. Herrera
      Experienced in Colonoscopy
      Hematology | Hematology Oncology
      Experienced in Colonoscopy
      Hematology | Hematology Oncology

      City Of Hope - Duarte Main Campus

      1500 E Duarte Rd, 
      Duarte, CA 
      Experience:
      16+ years
      Languages Spoken:
      English
      Offers Telehealth

      Alex Herrera is a Hematologist and a Hematologist Oncology provider in Duarte, CA. Dr. Herrera has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hodgkin Lymphoma, Classical Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Bone Marrow Transplant, and Bone Marrow Aspiration.

      Joanne E. Mortimer
      Experienced in Colonoscopy
      Experienced in Colonoscopy

      City Of Hope Medical Foundation

      1500 E Duarte Rd, 
      Duarte, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Joanne Mortimer is an Oncologist in Duarte, California. Dr. Mortimer is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, HER-2 Positive Breast Cancer, and Colonoscopy.

      Magdi G. Alexander
      Vascular Surgery | Colorectal Surgery
      Vascular Surgery | Colorectal Surgery

      Magdi Alexander, MD FACS

      50 Bellefontaine St, 409, 
      Pasadena, CA 
      Experience:
      31+ years
      Languages Spoken:
      English, Spanish
      Accepting New Patients

      Magdi Grant Alexander is board certified by the American Board of Surgery and has been practicing the full breadth of general surgery for over 30 years. He is considered one of the top surgeons in the region. Dr. Alexander has been an integral member of the surgical teaching faculty at Huntington Hospital/Cedars Siani Affiliate for the past 26 years. He has been active in administrative positions and is currently the Chairman of the Department of Surgery at USC Arcadia. Formerly, he was the Chairman of Credentials and General Surgery section Chair at Huntington as well as being a current permanent member of the Quality Management Department at Huntington Hospital/Cedars Sinai Aff. He is also the former Section Chief of General / Vascular Surgery/ Thoracic divisions at Methodist Hospital. Dr. Alexander is a fellow of the American College of Surgeons and a member of the Society for Gastro Endoscopic Surgeons (SAGES). His wide surgical focus involves expertise in Robotic Surgery, Advanced Laparoscopic surgery, General Surgery, Colorectal Surgery, Vascular surgery, and Oncological surgery. Dr. Alexander has received multiple acknowledgements from national and regional medical associations: including the coveted Surgical Teaching Faculty Award, Regional Physician of the Year Award, Pasadena Top Doctor, America’s Top Surgeon Award, and the Patient’s Choice Award 5-year honoree. His philosophy on surgical care can is cutting edge and interactive, designed for optimum success. 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.

      William J. Sandborn
      Distinguished in Colonoscopy
      Gastroenterology
      Distinguished in Colonoscopy
      Gastroenterology
      200 W Arbor Dr, 
      San Diego, CA 
      Languages Spoken:
      English

      William Sandborn is a Gastroenterologist in San Diego, California. Dr. Sandborn is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Crohn's Disease, Hemorrhagic Proctocolitis, Ulcerative Colitis, Endoscopy, and Colonoscopy.

      Mary A. Whooley
      Distinguished in Colonoscopy
      Internal Medicine
      Distinguished in Colonoscopy
      Internal Medicine
      4150 Clement St, Mail Stop 111a1, 
      San Francisco, CA 
      Languages Spoken:
      English

      Mary Whooley is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Whooley is rated as a Distinguished provider by MediFind in Colonoscopy. Her top areas of expertise are Coronary Heart Disease, Heart Failure, Heart Attack, Colonoscopy, and Endoscopy.

      Siddharth K. Singh
      Distinguished in Colonoscopy
      Gastroenterology
      Distinguished in Colonoscopy
      Gastroenterology

      Regents Of The University Of California

      200 W Arbor Dr, 
      San Diego, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Siddharth Singh is a Gastroenterologist in San Diego, California. Dr. Singh is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Ileostomy, and Endoscopy.

      Experienced in Colonoscopy
      Experienced in Colonoscopy

      City Of Hope Medical Foundation

      1601 Avocado Ave, 
      Newport Beach, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Sumanta Pal is an Oncologist in Newport Beach, California. Dr. Pal is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Renal Cell Carcinoma (RCC), Urothelial Cancer, Bladder Cancer, Nephrectomy, and Lymphadenectomy.

      Experienced in Colonoscopy
      Gastroenterology
      Experienced in Colonoscopy
      Gastroenterology

      Regents Of The University Of California

      9350 Campus Point Dr, 
      La Jolla, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Preetika Sinh is a Gastroenterologist in La Jolla, California. Dr. Sinh is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Colitis, Endoscopy, and Colonoscopy. Dr. Sinh is currently accepting new patients.

      Showing 1-20 of 2,452

      Last Updated: 10/30/2025

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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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