The 20 Best Gastroparesis Doctors Near Me in Oxnard, CA

Find the Top Gastroparesis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 20 doctor with experience in Gastroparesis near Oxnard, CA. Of these, 19 are Experienced and 1 are Advanced.

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20 providers found
    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Gastroparesis. 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 Gastroparesis
    Family Medicine
    Experienced in Gastroparesis
    Family Medicine

    Clinicas Del Camino Real

    450 W Clara St, 
    Oxnard, CA 
     (3.2 miles away)
    Languages Spoken:
    English, Japanese, Spanish
    Accepting New Patients

    Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Saito is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Obesity, and Anemia. Dr. Saito is board certified in Family Medicine. Dr. Saito is currently accepting new patients.

    Advanced in Gastroparesis
    Gastroenterology
    Advanced in Gastroparesis
    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 Gastroparesis. 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.

    Learn about our expert tiers
    Experienced in Gastroparesis
    Bariatric Medicine | General Surgery
    Experienced in Gastroparesis
    Bariatric Medicine | General Surgery

    Ventura Advanced Surgical Associates

    3200 Telegraph Rd, 
    Ventura, CA 
     (6.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Billy is the leading Lap-Band, laparoscopic gastric bypass and laparoscopic gastric sleeve surgeon in Ventura and Santa Barbara County. Dr. Billy relocated his practice to Ventura in July of 2002. Prior to that he had established himself as one of the premier laparoscopic surgeons in the Sacramento and Sierra Nevada region of Northern California. Dr. Billy was instrumental in developing the bariatric surgery centers at Sutter General Hospital and Sutter Roseville Medical Centers. He is currently director of Bariatric Surgery at St. John's Regional Medical Center, a recognized bariatric Center of Excellence by the Surgery Review Committee, Medicare, Blue Cross, Blue Shield and Health Net. St. Johns Regional Medical Center is located in Oxnard California. Dr. Billy also serves as the Medical Director of the Community Memorial Hospital, a Surgical Review Corporation accredited Bariatric Center of Excellence, located in Ventura, California. Dr. Billy obtained his undergraduate degree in Molecular Biology at the University of California, Berkeley. He subsequently received his medical degree at the University of California, Davis School of Medicine. Dr. Billy received additional training in the techniques of the Lap-Band system prior to its release by the FDA in 2001. He is actively involved as a teaching faculty member for placement of the Lap-Band® system and has educated and proctored dozens of surgeons throughout the west as part of their educational training. Dr. Billy has been a faculty member at numerous national educational events and surgeon training workshops. He has been a featured speaker at the annual meeting of the American Society of Metabolic and Bariatric Surgery and was a contributing author on the recently released SAGES Bariatric Surgery Manual published by the Society of American Gastrointestinal and Endoscopic Surgeons. Dr. Billy has an international reputation and has lectured and taught principles of bariatric surgery in Mexico, Taiwan and India.Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals.In May 2022 Dr. Billy was elected to the American Society for Metabolic and Bariatric Surgery Council, the largest and most prestigious National Society for metabolic and bariatric surgery.The executive council consists of 8 ASMBS members who represent the leadership of the National Society.The vision of the society is to improve public health and well being by lessening the burden of the disease of obesity and related diseases throughout the world. Dr. Billy is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Obesity, Malabsorption, Hiatal Hernia, Gastrectomy, and Sleeve Gastrectomy. Dr. Billy is board certified in Surgery General Surgery. Dr. Billy is currently accepting new patients.

    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Gastroparesis. 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 Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Gastroparesis. 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 Gastroparesis
    Family Medicine
    Experienced in Gastroparesis
    Family Medicine

    CB Rehab Partners Inc

    1751 Lombard St Ste A, 
    Oxnard, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gregorio Ruelas is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Ruelas is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Apparent Mineralocorticoid Excess, Familial Hyperaldosteronism, and Hyperaldosteronism.

    Experienced in Gastroparesis
    Internal Medicine
    Experienced in Gastroparesis
    Internal Medicine

    Community Memorial Health System

    2361 E Vineyard Ave, 
    Oxnard, CA 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Paul Cisarik is a primary care provider, practicing in Internal Medicine in Oxnard, California. Dr. Cisarik is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Fibromyalgia, Giant Cell Arteritis (GCA), Juvenile Temporal Arteritis, and Temporal Arteritis.

    Experienced in Gastroparesis
    Family Medicine
    Experienced in Gastroparesis
    Family Medicine

    Community Memorial Health System

    3641 W 5th St, 
    Oxnard, CA 
     (2.4 miles away)
    Languages Spoken:
    English

    Victoria Sorlie is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Sorlie is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. She is also highly rated in 25 other conditions, according to our data. Her clinical expertise encompasses Familial Hypertension, Bronchitis, Tracheitis, and Osteoporosis.

    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    Gastroenterology

    Ventura Clinical Trials

    1835 Knoll Dr, 
    Ventura, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Sabine Hazan is a Gastroenterologist practicing medicine in Ventura, California. Dr. Hazan is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. Her clinical expertise encompasses Childhood Pancreatitis, Hereditary Pancreatitis, Gastric Dysmotility, and Gastroparesis.

    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Gastroparesis. Her clinical expertise encompasses Ulcerative Colitis, Viral Gastroenteritis, Crohn's Disease, Endoscopy, and Colonoscopy.

    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Gastroparesis. 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 Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Experienced provider by MediFind in the treatment of Gastroparesis. 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.

    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Experienced provider by MediFind in the treatment of Gastroparesis. 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 Gastroparesis
    Experienced in Gastroparesis

    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 Gastroparesis. 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 Gastroparesis
    Family Medicine
    Experienced in Gastroparesis
    Family Medicine

    Academic Family Medicine Center

    300 Hillmont Ave Bldg 340 #201, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Carlos (vcmc) is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. (vcmc) is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. His clinical expertise encompasses Rabson-Mendenhall Syndrome, Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, and Congenital Generalized Lipodystrophy. Dr. (vcmc) is board certified in Family Practice-Family Medicine. Dr. (vcmc) is currently accepting new patients.

    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Experienced provider by MediFind in the treatment of Gastroparesis. 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.

    Experienced in Gastroparesis
    Family Medicine
    Experienced in Gastroparesis
    Family Medicine

    Hillmont Psychiatric Center

    3291 Loma Vista Rd, 
    Ventura, CA 
     (7.0 miles away)
    Languages Spoken:
    English

    Scott Speier is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Speier is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Morning Sickness, Trichohepatoenteric Syndrome, Diarrhea, and Headache.

    Experienced in Gastroparesis
    Gastroenterology
    Experienced in Gastroparesis
    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 Experienced provider by MediFind in the treatment of Gastroparesis. 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 Gastroparesis
    Family Medicine
    Experienced in Gastroparesis
    Family Medicine

    Family Medicine & Women's Health - Dignity Health Medical Group - Santa Paula, CA

    400 E Santa Barbara St, Suite A, 
    Santa Paula, CA 
     (12.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Become an active member of the community for which you wish to care for. Dr. Tushla is rated as an Experienced provider by MediFind in the treatment of Gastroparesis. His clinical expertise encompasses Chronic Cough, Tracheitis, Costochondritis, and Tietz Syndrome. Dr. Tushla is board certified in Family Medicine. Dr. Tushla is currently accepting new patients.

    Showing 1-20 of 20

    Last Updated: 04/28/2026

    What is the definition of Gastroparesis?

    Gastroparesis is a condition that reduces the ability of the stomach to empty its solid contents. It does not involve a blockage (obstruction) of the outlet of the stomach.

    When should I see a Gastroparesis 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 a Gastroparesis 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 Gastroparesis 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 Gastroparesis 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 a Gastroparesis 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 Gastroparesis doctor search results page. 

    Why is it important to get a second opinion from a different Gastroparesis 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 Gastroparesis 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 Gastroparesis 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 Gastroparesis 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 Gastroparesis doctors near Oxnard, CA?

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

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