The 20 Best Ulcerative Colitis Doctors Near Me in Oxnard, CA

Find the Top Ulcerative Colitis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 22 doctor with experience in Ulcerative Colitis near Oxnard, CA. Of these, 16 are Experienced and 6 are Advanced.

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22 providers found
    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Ventura County Gastroenterology Group

    2241 Wankel Way, Ste A, 
    Oxnard, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Justin Marasigan is a Gastroenterologist practicing medicine in Oxnard, California. Dr. Marasigan is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Gastrectomy, and Colonoscopy. Dr. Marasigan is board certified in American Os Bd Internal Medicine and American Os Bd Internal Medicine (Sub: Gastroenterlogy). Dr. Marasigan is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Magnolia Family Medical Center

    2240 E Gonzales Rd Ste 100, 
    Oxnard, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dipti Sagar is a Gastroenterologist practicing medicine in Oxnard, California. Dr. Sagar is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Familial Colorectal Cancer, DICER1 Syndrome, Diverticular Disease, Hepatitis, and Endoscopy. Dr. Sagar is board certified in Gastroenterology-Internal Medicine. Dr. Sagar is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Internal Medicine | Obstetrics and Gynecology
    Experienced in Ulcerative Colitis
    Internal Medicine | Obstetrics and Gynecology

    Primary Care & Women's Health - Dignity Health Medical Group - Oxnard, CA

    2901 N Ventura Rd, Suite 100, 
    Oxnard, CA 
     (3.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    I describe my practice style as caring and think of myself as a health coach and a partner to my patients in their health care. As an internist, I treat diabetes, hypertension, hyperlipidemia, anxiety, depression, stress management, insomnia, and many other conditions. I'm especially interested in preventative health care, working on getting my patients healthier and treating medical conditions with lifestyle changes, weight management, exercise, and nutrition. In some instances, my methods have allowed patients to improve their health to the point where prescription medications are no longer needed. Dr. Mescher is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Decorticate Posture, Decerebrate Posture, Generalized Anxiety Disorder (GAD), and Sitosterolemia. Dr. Mescher is board certified in Internal Medicine. Dr. Mescher is currently accepting new patients.

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

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kip Lyche is a Gastroenterologist practicing medicine in Ventura, California. Dr. Lyche is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 55 other conditions, according to our data. His clinical expertise encompasses Esophageal Varices, Enlarged Liver, Visceromegaly, Endoscopy, and Colonoscopy. Dr. Lyche is board certified in Gastroenterology. Dr. Lyche is currently accepting new patients.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Benito Pedraza is a Gastroenterologist practicing medicine in Ventura, California. Dr. Pedraza is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Gastric Dysmotility, Endoscopy, and Gastrectomy. Dr. Pedraza is board certified in Gastroenterology. Dr. Pedraza is currently accepting new patients.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Charles Menz is a Gastroenterologist practicing medicine in Ventura, California. Dr. Menz is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy. Dr. Menz is board certified in Gastroenterology-Internal Medicine. Dr. Menz is currently accepting new patients.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology

    Stephen D. Covington, MD Private Practice

    168 N Brent St, Ste 404, 
    Ventura, CA 
     (7.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Stephen Covington is a Gastroenterologist practicing medicine in Ventura, California. Dr. Covington is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Covington is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Covington is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Ventura County Gastroenterology Group

    4005 Mission Oaks Blvd, Ste A, 
    Camarillo, CA 
     (9.3 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 Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Swallowing Difficulty, Endoscopy, and Colonoscopy. Dr. Simon is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Simon is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Ventura County Gastroenterology Group

    4005 Mission Oaks Blvd, Ste A, 
    Camarillo, CA 
     (9.3 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 Ulcerative Colitis. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy. Dr. Rojany is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Rojany is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Community Memorial Health System

    321 E Port Hueneme Rd, 
    Port Hueneme, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Steven Clement is a primary care provider, practicing in Family Medicine in Port Hueneme, California. Dr. Clement is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Severe Combined Immunodeficiency (SCID), X-Linked Severe Combined Immunodeficiency, Omenn Syndrome, and Type 2 Diabetes (T2D).

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Southern California Permanente Medical Group

    4949 Market St, 
    Ventura, CA 
     (4.9 miles away)
    Languages Spoken:
    English

    Maggie Ham is a Gastroenterologist practicing medicine in Ventura, California. Dr. Ham is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Ulcerative Colitis, Viral Gastroenteritis, Crohn's Disease, Endoscopy, and Colonoscopy.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joel Alpern is a Gastroenterologist practicing medicine in Ventura, California. Dr. Alpern is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Diarrhea, Endoscopy, and Gastrectomy. Dr. Alpern is board certified in Gastroenterology. Dr. Alpern is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Ventura County Gastroenterology Group

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

    Jay Guan is a Gastroenterologist practicing medicine in Camarillo, California. Dr. Guan is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Gastrectomy. Dr. Guan is board certified in Internal Medicine. Dr. Guan is currently accepting new patients.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology

    Island View Gastroenterology Assoc.

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Chetan Gondha is a Gastroenterologist practicing medicine in Ventura, California. Dr. Gondha is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Diarrhea, Trichohepatoenteric Syndrome, Endoscopy, and Colonoscopy.

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

    Laya Nasrollah is a Gastroenterologist practicing medicine in Camarillo, California. Dr. Nasrollah is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 35 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Diarrhea, Endoscopy, and Gastrectomy. Dr. Nasrollah is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Experienced in Ulcerative Colitis

    Office

    3003 Loma Vista Rd Ste B, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Arthur Inoshita is a primary care provider, practicing in Geriatrics in Ventura, California. Dr. Inoshita is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Prolidase Deficiency, Abdominal Obesity Metabolic Syndrome, Type B Insulin Resistance Syndrome, Cytochrome C Oxidase Deficiency, and Ureteroscopy.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology

    Medicine Specialty Center West

    300 Hillmont Ave Bldg 340 #502, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Scott Underwood is a primary care provider, practicing in Gastroenterologist in Ventura, California. Dr. Underwood is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Hepatitis C, Hepatitis, and Hemorrhagic Proctocolitis. Dr. Underwood is board certified in Gastroenterology-Internal Medicine. Dr. Underwood is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Office

    2929 Loma Vista Rd Ste E, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English

    Thomas Mcbreen is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Mcbreen is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Invertebral Disc Disease, Sciatica, Otitis, Asthma in Children, and Endoscopy.

    Experienced in Ulcerative Colitis
    Emergency Medicine
    Experienced in Ulcerative Colitis
    Emergency Medicine

    Community Memorial Health System

    2721 E Main St, 
    Ventura, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Michelle Daucett is a primary care provider, practicing in Emergency Medicine in Ventura, California. Dr. Daucett is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Type 2 Diabetes (T2D), Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    West Ventura Medical Clinic

    133 W Santa Clara St, 
    Ventura, CA 
     (9.1 miles away)
    Languages Spoken:
    English

    Isabel Gonzalez is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Gonzalez is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Maturity Onset Diabetes of the Young, Chronic Cough, Type 2 Diabetes (T2D), and Vertigo.

    Showing 1-20 of 22

    Last Updated: 04/28/2026

    What is the definition of Ulcerative Colitis?

    Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) characterized by the development of ulcers in the lining of the digestive tract, which most often affect the colon and rectum. While ulcerative colitis can occur at any age, it most frequently appears between the ages of 15 and 30, or after the age of 60. There are several types of ulcerative colitis that are categorized by the area of the digestive tract affected by the disease, such as ulcerative proctitis (inflammation of area closest to the rectum), proctosigmoiditis (inflammation of the sigmoid colon and rectum), left-sided colitis (inflammation of descending colon, sigmoid colon, and rectum), pancolitis (inflammation of the entire colon), and a rare form of ulcerative colitis known as acute severe ulcerative colitis (severe inflammation of entire colon). Ulcerative colitis can also affect other areas of the body, causing inflammation of the skin, eyes, liver, joints, and back.

    When should I see an Ulcerative Colitis doctor near Oxnard, 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 an Ulcerative Colitis doctor near Oxnard, 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 Ulcerative Colitis doctors near Oxnard, 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 Ulcerative Colitis doctors near Oxnard, 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 an Ulcerative Colitis doctor near Oxnard, 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 Ulcerative Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Ulcerative 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 an Ulcerative Colitis doctor near Oxnard, 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 Ulcerative 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 Ulcerative 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 Ulcerative Colitis doctors near Oxnard, CA?

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

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