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    Last Updated: 02/22/2026

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    MediFind found 66 doctor with experience in Colitis near Thousand Oaks, CA. Of these, 61 are Experienced and 5 are Advanced.

    Location
    LocationClose
    66 providers found
      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Community Medical Group Inc

      612 E Janss Rd, 
      Thousand Oaks, CA 
       (1.9 miles away)
      Languages Spoken:
      English

      Deepa Reddy is a primary care provider, practicing in Family Medicine in Thousand Oaks, California. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Osteomyelitis in Children, Peripheral Artery Disease, High Cholesterol, and Chronic Pain.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Arroyo Oaks Medical Associates, Inc

      2230 Lynn Rd Ste 200, 
      Thousand Oaks, CA 
       (3.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Elise Bukont is a primary care provider, practicing in Family Medicine in Thousand Oaks, California. Dr. Bukont is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Heterozygous Familial Hypercholesterolemia (HeFH), Homozygous Familial Hypercholesterolemia (HoFH), Defective Apolipoprotein B-100, Gastrostomy, and Hip Replacement.

      Karen L. Simon
      Advanced in Colitis
      Gastroenterology
      Advanced in Colitis
      Gastroenterology

      Ventura County Gastroenterology Group

      4005 Mission Oaks Blvd, Ste A, 
      Camarillo, CA 
       (10.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dr. Karen Simon received her B.A. from Stanford University in 1996. She then attended Northwestern University for medical school. She completed her residency at Cedars-Sinai Medical Center in 2004 and her fellowship at UCLA and Cedars in 2008.Dr. Simon has proudly been serving patients in Ventura County since 2008 and is very involved in field research. Dr. Simon is also a speaker for Exact Sciences on behalf of Cologuard and is actively associated in research studies. She is a part of the Takeda Chloride Channel Council and a speaker for Amitiza, as well.She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John's Hospital, where she is also a part of the Ethics Committee.Dr. Simon aims specifically to work with patients to discover the problem and develop a treatment strategy. She has a particular interest in Celiac Disease, Inflammatory Bowel Disease (IBD), and a passion for improving colorectal cancer detection.She is dedicated to developing a relationship with patients by utilizing education and mutual information sharing. Dr. Simon is rated as an Advanced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Painful Swallowing, Endoscopy, and Colonoscopy.

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

      The Regents Of The University Of California

      248 Hampshire Rd, Suite 100, 
      Thousand Oaks, CA 
       (1.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Hamed Nayeb is a Gastroenterologist in Thousand Oaks, California. Dr. Nayeb is rated as an Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Crohn's Disease, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy.

      Advanced in Colitis
      Gastroenterology
      Advanced in Colitis
      Gastroenterology
      325 Rolling Oaks Dr, Suite 100, 
      Thousand Oaks, CA 
       (1.3 miles away)
      Languages Spoken:
      English

      Cristina Wiese is a Gastroenterologist in Thousand Oaks, California. Dr. Wiese is rated as an Advanced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Gastric Dysmotility, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.

      Advanced in Colitis
      Gastroenterology
      Advanced in Colitis
      Gastroenterology

      Genesis Healthcare Partners PC

      4005 Mission Oaks Blvd, Suite A, 
      Camarillo, CA 
       (10.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Hardeep Singh is a Gastroenterologist in Camarillo, California. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Barrett Esophagus, Esophageal Varices, Pancreatic Cancer, Gastrostomy, and Gastrectomy.

      Micha S. Rojany
      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      Gastroenterology

      Ventura County Gastroenterology Group

      4005 Mission Oaks Blvd, Ste A, 
      Camarillo, CA 
       (10.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dr. Micha Rojany was born and raised in Southern California. He received his undergraduate degree from the University of California, Berkeley. He attended USC Medical School and completed his internship and residency at Cedars-Sinai Medical Center in Los Angeles. His fellowship in Gastroenterology was completed at the University of California, Davis.Dr. Rojany has practiced in Ventura County since 2006 and is an active member of the local medical community and hospital staff at St. John's Regional Medical Center in Oxnard, and Pleasant Valley Hospital, in Camarillo. He enjoys practicing as a Gastroenterologist with special interests in inflammatory bowel disease and biliary tract diseases.As a Gastroenterologist, Dr. Rojany enjoys the depth and breadth of his field. He takes pride in providing excellent care while taking care of his patients and meeting their needs as a community specialist in digestive diseases. Dr. Rojany is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy.

      Experienced in Colitis
      Experienced in Colitis

      The Regents Of The University Of California

      100 Moody Ct, Suite 200, 
      Thousand Oaks, CA 
       (0.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Niharika Mallepally is a Gastroenterologist in Thousand Oaks, California. Dr. Mallepally is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Helicobacter Pylori Infection, Viral Gastroenteritis, Colitis, Colonoscopy, and Endoscopy.

      Experienced in Colitis
      Internal Medicine
      Experienced in Colitis
      Internal Medicine

      The Regents Of The University Of California

      100 Moody Ct, Suite 200, 
      Thousand Oaks, CA 
       (0.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Neema Heivand is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Heivand is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      The Regents Of The University Of California

      100 Moody Ct, Suite 200, 
      Thousand Oaks, CA 
       (0.9 miles away)
      Languages Spoken:
      English

      Alicia Guevara is a primary care provider, practicing in Family Medicine in Thousand Oaks, California. Dr. Guevara is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Cellulitis, Peptic Ulcer, Necrosis, and Acute Cystitis.

      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      Gastroenterology

      The Regents Of The University Of California

      248 Hampshire Rd, Suite 100, 
      Thousand Oaks, CA 
       (1.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Rimma Shaposhnikov is a Gastroenterologist in Thousand Oaks, California. Dr. Shaposhnikov is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrectomy.

      Experienced in Colitis
      Internal Medicine
      Experienced in Colitis
      Internal Medicine

      The Regents Of The University Of California

      1250 La Venta Dr, Suite 207, 
      Westlake Village, CA 
       (2.5 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Arineh Melkonian is a primary care provider, practicing in Internal Medicine in Westlake Village, California. Dr. Melkonian is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Collagenous Colitis, Generalized Anxiety Disorder (GAD), B-Cell Lymphoma, and Tinnitus.

      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      Gastroenterology
      227 W Janss Rd, #215, 
      Thousand Oaks, CA 
       (2.9 miles away)
      Languages Spoken:
      English

      Gregory Johnson is a Gastroenterologist in Thousand Oaks, California. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gastrointestinal Bleeding, Diarrhea, Trichohepatoenteric Syndrome, Gastrectomy, and Endoscopy.

      Experienced in Colitis
      Internal Medicine
      Experienced in Colitis
      Internal Medicine
      227 W Janss Rd, Suite 110, 
      Thousand Oaks, CA 
       (2.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Jigar Ghelani is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Ghelani is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Acute Kidney Failure, Familial Hypertension, Hypertension, Gastrostomy, and Colonoscopy.

      Experienced in Colitis
      Family Medicine | Internal Medicine
      Experienced in Colitis
      Family Medicine | Internal Medicine

      Arroyo Oaks Medical Associates Inc

      2230 Lynn Rd, Suite 200, 
      Thousand Oaks, CA 
       (3.1 miles away)
      Languages Spoken:
      English

      Dina Ohevshalom is a primary care provider, practicing in Family Medicine and Internal Medicine in Thousand Oaks, California. Dr. Ohevshalom is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Juvenile Primary Osteoporosis, Melorheostosis, Melorheostosis with Osteopoikilosis, Endoscopy, and Hip Replacement.

      Experienced in Colitis
      Internal Medicine
      Experienced in Colitis
      Internal Medicine

      Arroyo Oaks Medical Associates Inc

      2230 Lynn Rd, Suite 200, 
      Thousand Oaks, CA 
       (3.1 miles away)
      Languages Spoken:
      English

      Russell Hines is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Hines is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, Colonoscopy, and Endoscopy.

      Experienced in Colitis
      Geriatrics | Internal Medicine
      Experienced in Colitis
      Geriatrics | Internal Medicine

      Arroyo Oaks Medical Associates Inc

      2230 Lynn Rd, Suite 200, 
      Thousand Oaks, CA 
       (3.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Sonia Monga is a primary care provider, practicing in Geriatrics and Internal Medicine in Thousand Oaks, California. Dr. Monga is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, Hip Replacement, and Endoscopy.

      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      Gastroenterology
      2230 Lynn Rd, Suite 300, 
      Thousand Oaks, CA 
       (3.1 miles away)
      Languages Spoken:
      English

      Shahram Daneshgar is a Gastroenterologist in Thousand Oaks, California. Dr. Daneshgar is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Esophagitis, Endoscopy, and Gastrectomy.

      Experienced in Colitis
      Internal Medicine
      Experienced in Colitis
      Internal Medicine

      Arroyo Oaks Medical Associates Inc

      2230 Lynn Rd, Suite 200, 
      Thousand Oaks, CA 
       (3.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Amit Monga is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Monga is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, Endoscopy, and Pacemaker Implantation.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Arroyo Oaks Medical Associates Inc

      2230 Lynn Rd, Suite 200, 
      Thousand Oaks, CA 
       (3.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Daniel Tavari is a primary care provider, practicing in Family Medicine in Thousand Oaks, California. Dr. Tavari is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Bronchitis, Childhood Pancreatitis, Familial Hypertension, Gastrostomy, and Endoscopy.

      Showing 1-20 of 66

      Last Updated: 02/22/2026

      What is the definition of Colitis?

      Colitis is swelling (inflammation) of the large intestine (colon).

      When should I see a Colitis doctor near Thousand Oaks, 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 Colitis doctor near Thousand Oaks, 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 Colitis doctors near Thousand Oaks, 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 Colitis doctors near Thousand Oaks, 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 Colitis doctor near Thousand Oaks, 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 Colitis doctor search results page. 

      Why is it important to get a second opinion from a different Colitis 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 Colitis doctor near Thousand Oaks, 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 Colitis 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 Colitis 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 Colitis doctors near Thousand Oaks, CA?

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

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