The 20 Best Diverticular Disease Doctors Near Me in Thousand Oaks, CA

Find the Top Diverticular Disease Experts and Specialists

The 20 Best Diverticular Disease Doctors near Thousand Oaks, CA

Last Updated: 02/22/2026

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MediFind found 122 doctor with experience in Diverticular Disease near Thousand Oaks, CA. Of these, 95 are Experienced, 25 are Advanced and 2 are Distinguished.

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122 providers found
    Experienced in Diverticular Disease
    Experienced in Diverticular Disease

    The Unity Hospital Of Rochester

    958 Lambourne Pl, 
    Oak Park, CA 
     (5.6 miles away)
    Languages Spoken:
    English

    . Dr. Kujak is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are CAPOS Syndrome, Bronchiectasis, Visceromegaly, and Progressive Familial Intrahepatic Cholestasis Type 2.

    Amir-hossein Mehran
    Experienced in Diverticular Disease
    Bariatric Medicine | General Surgery
    Experienced in Diverticular Disease
    Bariatric Medicine | General Surgery

    University Bariatrics

    227 W Janss Rd, Ste 320, 
    Thousand Oaks, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Telehealth visits are available.Dr. Mehran's practice is devoted to minimally invasive general and bariatric surgery. The name University Bariatrics reflects his goal of combining the integrity & values of his past academic career, with a new private practice focus on serving the community around him. Dr. Mehran is board certified in surgery and licensed in California. He is a member of multiple surgical societies and has served as a consultant for various regulatory agencies, surgical journals, the media, and the medical industry. In recognition of his dedication and efforts, his peers have repeatedly elected him to the Southern California Super Doctors list. Dr. Mehran has contributed to over 160 publications and presentations and has mentored numerous fellows, residents, and medical students. He currently serves as the Chief of Surgery at Los Robles Medical Center. Much more information can be obtained by visiting the practice website. Dr. Mehran is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Ogilvie Syndrome, Retroperitoneal Inflammation, Gallstones, Sleeve Gastrectomy, and Gastrectomy.

    Experienced in Diverticular Disease
    Experienced in Diverticular Disease

    Office

    415 Rolling Oaks Dr Ste 230, 
    Thousand Oaks, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Donald Decker is a Radiologist in Thousand Oaks, California. Dr. Decker is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Melorheostosis, Melorheostosis with Osteopoikilosis, Osteopenia, and Breast Lump.

    Learn about our expert tiers
    Experienced in Diverticular Disease
    Experienced in Diverticular Disease

    Westcliff Medical Laboratories Inc

    415 Rolling Oaks Dr, 
    Thousand Oaks, CA 
     (1.2 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Roy Gottlieb is a Radiologist in Thousand Oaks, California. Dr. Gottlieb has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Lung Nodules, Scoliosis, Progressive Familial Intrahepatic Cholestasis Type 1, and Progressive Familial Intrahepatic Cholestasis Type 2.

    Experienced in Diverticular Disease
    Emergency Medicine
    Experienced in Diverticular Disease
    Emergency Medicine

    Los Robles Health System

    215 W Janss Rd, 
    Thousand Oaks, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Carlo Reyes is an Emergency Medicine provider in Thousand Oaks, California. Dr. Reyes is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Concussion, Lymphangitis, Delirium, and Cellulitis.

    Experienced in Diverticular Disease
    Internal Medicine
    Experienced in Diverticular Disease
    Internal Medicine

    Sound Physicians

    215 W Janss Rd, 
    Thousand Oaks, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Garry Forkosh is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Forkosh is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Sepsis, Malnutrition, Supravalvular Aortic Stenosis, Gastrostomy, and Endoscopy. Dr. Forkosh is currently accepting new patients.

    Experienced in Diverticular Disease
    Experienced in Diverticular Disease

    Thousand Oaks Diagnostic Imaging Center

    2180 Lynn Rd, 
    Thousand Oaks, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    David Aufrichtig is a Radiologist in Thousand Oaks, California. Dr. Aufrichtig is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Progressive Familial Intrahepatic Cholestasis Type 3, Progressive Familial Intrahepatic Cholestasis Type 1, Progressive Familial Intrahepatic Cholestasis Type 2, Visceromegaly, and Bone Marrow Aspiration.

    Experienced in Diverticular Disease
    Internal Medicine
    Experienced in Diverticular Disease
    Internal Medicine

    Arroyo Oaks Medical Associates, Inc

    2230 Lynn Rd Ste 200, 
    Thousand Oaks, CA 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    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 Diverticular Disease. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, Colonoscopy, and Endoscopy. Dr. Hines is currently accepting new patients.

    Experienced in Diverticular Disease
    Internal Medicine
    Experienced in Diverticular Disease
    Internal Medicine

    Arroyo Oaks Medical Associates, Inc

    2230 Lynn Rd Ste 200, 
    Thousand Oaks, CA 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

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

    Experienced in Diverticular Disease
    Radiology
    Experienced in Diverticular Disease
    Radiology

    Thousand Oaks Radiology Group

    227 W Janss Rd Ste 150, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Jason Lee is a Radiologist in Thousand Oaks, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Ascites, Pleurisy, Pleural Effusion, Bone Graft, and Vertebroplasty.

    Experienced in Diverticular Disease
    Experienced in Diverticular Disease

    Monica Amantia, MD

    227 W Janss Rd Ste 150, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Monica Amantia is a Radiologist in Thousand Oaks, California. Dr. Amantia is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Pleurisy, Pleural Effusion, Pneumomediastinum, and Ascites.

    Experienced in Diverticular Disease
    Experienced in Diverticular Disease

    Office

    415 Rolling Oaks Dr Ste 125, 
    Thousand Oaks, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Robert Sitarz is a Radiologist in Thousand Oaks, California. Dr. Sitarz is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Lung Nodules, Visceromegaly, Pulmonary Fibrosis, and Non-Alcoholic Fatty Liver Disease.

    Micha S. Rojany
    Advanced in Diverticular Disease
    Gastroenterology
    Advanced in Diverticular Disease
    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 Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy.

    Karen L. Simon
    Advanced in Diverticular Disease
    Gastroenterology
    Advanced in Diverticular Disease
    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 Diverticular Disease. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Painful Swallowing, Endoscopy, and Colonoscopy.

    Advanced in Diverticular Disease
    Gastroenterology
    Advanced in Diverticular Disease
    Gastroenterology

    Alister A George, MD

    3510 N Moorpark Rd Ste 201, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alister George is a Gastroenterologist in Thousand Oaks, California. Dr. George is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Esophagitis, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Endoscopy, and Colonoscopy.

    Advanced in Diverticular Disease
    Gastroenterology
    Advanced in Diverticular Disease
    Gastroenterology

    Cristina S. Wiese. M.D. Inc.

    325 Rolling Oaks Dr Ste 100, 
    Thousand Oaks, CA 
     (3.6 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 Diverticular Disease. Her top areas of expertise are Gastric Dysmotility, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.

    Distinguished in Diverticular Disease
    Gastroenterology | Internal Medicine
    Distinguished in Diverticular Disease
    Gastroenterology | Internal Medicine

    Moe Amadpour, Md. Inc

    1159 Roadrunner Way, 
    Simi Valley, CA 
     (6.5 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English
    Offers Telehealth

    Moe Amadpour is an Internal Medicine specialist and a Gastroenterologist in Simi Valley, California. Dr. Amadpour has been practicing medicine for over 33 years and is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Esophagitis, Acute Pancreatitis, Diverticular Disease, Gastrectomy, and Colonoscopy.

    Advanced in Diverticular Disease
    Radiology
    Advanced in Diverticular Disease
    Radiology

    Simi Valley Medical Imaging LLC

    1687 Erringer Rd Ste 210, 
    Simi Valley, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Neal Bost is a Radiologist in Simi Valley, California. Dr. Bost is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Lung Nodules, Non-Alcoholic Fatty Liver Disease, Diverticular Disease, and Visceromegaly.

    Avan Patel
    Experienced in Diverticular Disease
    Geriatrics | Internal Medicine
    Experienced in Diverticular Disease
    Geriatrics | Internal Medicine

    Primary Care & Specialty Care - Dignity Health Medical Group - Camarillo, CA

    5051 Verdugo Wy, Ste 100 & Ste 110, 
    Camarillo, CA 
     (8.3 miles away)
    Languages Spoken:
    English, Hindi, Spanish
    Accepting New Patients
    Offers Telehealth

    I treat every patient as if they are my family or friends. I listen to my patients and treat them with the utmost respect, dedication, and commitment that I show my family and loved ones, putting their best health interests first. I treat the patient, not just a symptom or an ailment. I do my best to preserve the trust my patients place in me. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, Vertebroplasty, and Bone Graft.

    Advanced in Diverticular Disease
    Gastroenterology
    Advanced in Diverticular Disease
    Gastroenterology
    5800 Santa Rosa Road, Suite 149, 
    Camarillo, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Laya Nasrollah is a Gastroenterologist in Camarillo, California. Dr. Nasrollah is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Diarrhea, Endoscopy, and Gastrectomy. Dr. Nasrollah is currently accepting new patients.

    Showing 1-20 of 122

    Last Updated: 02/22/2026

    What is the definition of Diverticular Disease?

    Diverticula are small, bulging sacs or pouches that form on the inner wall of the intestine. Diverticulitis occurs when these pouches become inflamed or infected. Most often, these pouches are in the lower part of the large intestine (colon).

    When should I see a Diverticular Disease 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 Diverticular Disease 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 Diverticular Disease 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 Diverticular Disease 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 Diverticular Disease 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 Diverticular Disease doctor search results page. 

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

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

    Look for the filter feature on the left-side of the Diverticular Disease 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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