The 20 Best Peptic Ulcer Doctors Near Me in Rancho Cucamonga, CA

Find the Top Peptic Ulcer Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 298 doctor with experience in Peptic Ulcer near Rancho Cucamonga, CA. Of these, 254 are Experienced, 43 are Advanced and 1 are Distinguished.

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298 providers found
    Advanced in Peptic Ulcer
    General Surgery
    Advanced in Peptic Ulcer
    General Surgery

    The Wound Doctors Inc

    8608 Utica Ave Ste 218, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Bo Liu is a General Surgeon practicing medicine in Rancho Cucamonga, California. Dr. Liu is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Peptic Ulcer, Cellulitis, and Necrosis.

    Distinguished in Peptic Ulcer
    General Surgery
    Distinguished in Peptic Ulcer
    General Surgery

    Upland Surgical Associates

    510 N 13th Ave, 
    Upland, CA 
     (2.3 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English

    Bryce Beseth is a General Surgeon practicing medicine in Upland, California. He has been practicing medicine for over 30 years. Dr. Beseth is rated as a Distinguished provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Gangrene, Choledocholithiasis, Necrosis, Hernia Surgery, and Colostomy. Dr. Beseth is board certified in American Board Of Surgery.

    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    Tarek Ezzeddine MD Inc.

    10841 White Oak Ave Ste 103, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Tarek Ezzeddine is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Ezzeddine is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His clinical expertise encompasses Acute Cystitis, Tracheitis, Cellulitis, and Urinary Tract Infection in Children.

    Learn about our expert tiers
    Experienced in Peptic Ulcer
    Intensive Care Medicine
    Experienced in Peptic Ulcer
    Intensive Care Medicine

    Office

    3281 E Guasti Rd Ste 500, 
    Ontario, CA 
     (4.9 miles away)
    Languages Spoken:
    English

    Leslie Ghisletta is an Intensive Care Medicine provider practicing medicine in Ontario, California. Dr. Ghisletta is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Subarachnoid Hemorrhage, Delirium, Chronic Subdural Hematoma, Subdural Hematoma, and Gastrostomy.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    Carlos R. Vigil DO A Professional Corp.

    7974 Haven Ave Ste 210, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Carlos Vigil is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Vigil is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, Renovascular Hypertension, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy.

    Advanced in Peptic Ulcer
    Family Medicine
    Advanced in Peptic Ulcer
    Family Medicine

    Fagan, John A. Family Practice, Inc.

    10787 Laurel St, 
    Rancho Cucamonga, CA 
     (1.3 miles away)
    Experience:
    40+ years
    Languages Spoken:
    English
    Offers Telehealth

    John Fagan is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 40 years. Dr. Fagan is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Ehlers-Danlos Syndrome (EDS), Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Fagan is board certified in American Board Of Family Medicine.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    Rapid Care

    10841 White Oak Ave, 
    Rancho Cucamonga, CA 
     (1.6 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English

    Zaher Azzawi is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 46 years. Dr. Azzawi is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Orbital Cellulitis, Tracheitis, Cellulitis, and Lymphangitis. Dr. Azzawi is board certified in American Board Of Internal Medicine.

    Advanced in Peptic Ulcer
    Family Medicine
    Advanced in Peptic Ulcer
    Family Medicine

    Ravinder Singh, Md, Inc.

    525 N 13th Ave, 
    Upland, CA 
     (2.4 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 27 years. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 108 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Liver Transplant, and Knee Replacement. Dr. Singh is board certified in American Board Of Family Medicine.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    Hadi, Ghassan, E., M.D., Inc.

    1060 E Foothill Blvd, 
    Upland, CA 
     (2.5 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English

    Ghassan Hadi is a primary care provider, practicing in Internal Medicine in Upland, California. He has been practicing medicine for over 38 years. Dr. Hadi is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, End-Stage Renal Disease (ESRD), Sepsis, Gastrostomy, and Endoscopy. Dr. Hadi is board certified in American Board Of Internal Medicine.

    Advanced in Peptic Ulcer
    Family Medicine
    Advanced in Peptic Ulcer
    Family Medicine

    ProHealth Partners A Medical Group Inc.

    1042 San Bernardino Rd, 
    Upland, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    Azhar Majeed is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Majeed is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Acute Kidney Failure, Multisystem Inflammatory Syndrome in Children (MIS-C), Gastrostomy, and Endoscopy.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    ProHealth Partners A Medical Group Inc.

    1042 San Bernardino Rd, 
    Upland, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    Mansurur Khan is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Khan is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Renovascular Hypertension, Stroke, Hypertensive Heart Disease, Gastrostomy, and Endoscopy.

    Advanced in Peptic Ulcer
    Family Medicine
    Advanced in Peptic Ulcer
    Family Medicine

    S. M. Hammad Rizvi, M.D., Inc.

    901 San Bernardino Rd, 
    Upland, CA 
     (2.7 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English
    Offers Telehealth

    Syed Rizvi is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 25 years. Dr. Rizvi is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Gastrostomy, and Endoscopy. Dr. Rizvi is board certified in American Board Of Family Medicine.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    Viet D. Ta MD & Tiffany L. Quan MD Medical Associates Inc.

    8235 Rochester Ave Ste 110, 
    Rancho Cucamonga, CA 
     (2.8 miles away)
    Languages Spoken:
    English

    Cong Phan is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Phan is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Acute Kidney Failure, Visceromegaly, Gastrostomy, and Endoscopy.

    Advanced in Peptic Ulcer
    Internal Medicine
    Advanced in Peptic Ulcer
    Internal Medicine

    Premiere Medical Group Of California

    901 San Bernardino Rd Ste 101, 
    Upland, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Ythanh Nguyen is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Peptic Ulcer, Sepsis, Necrosis, Endoscopy, and Colonoscopy.

    Advanced in Peptic Ulcer
    Family Medicine
    Advanced in Peptic Ulcer
    Family Medicine

    Cucamonga Valley Medical Group, Inc.

    16465 Sierra Lakes Pkwy, 
    Fontana, CA 
     (4.6 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jesse Minguez is a primary care provider, practicing in Family Medicine in Fontana, California. He has been practicing medicine for over 24 years. Dr. Minguez is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Alcoholic Neuropathy. Dr. Minguez is board certified in American Board Of Family Medicine.

    Experienced in Peptic Ulcer
    Experienced in Peptic Ulcer

    Namita Mohideen MD Inc

    16465 Sierra Lakes Pkwy #115, 
    Fontana, CA 
     (7.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Your child's health is my top priority. Dr. Mohideen is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Food Allergy, Obesity in Children, Otitis, and Candida Infection of the Skin. Dr. Mohideen is board certified in Pediatrics. Dr. Mohideen is currently accepting new patients.

    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    Channell Family Medical Group

    8008 Haven Ave, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English

    Patricia Guevara is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. She has been practicing medicine for over 38 years. Dr. Guevara is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Silent Thyroiditis, Precocious Puberty, Vitamin D Deficiency, and Sitosterolemia. Dr. Guevara is board certified in American Board Of Family Medicine.

    Experienced in Peptic Ulcer
    Internal Medicine
    Experienced in Peptic Ulcer
    Internal Medicine

    Harvey D. Cohen M.D. Inc.

    8330 Red Oak St Ste 201, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Harvey Cohen is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Obesity.

    Experienced in Peptic Ulcer
    Internal Medicine
    Experienced in Peptic Ulcer
    Internal Medicine

    Carlos R. Vigil DO A Professional Corp.

    7974 Haven Ave Ste 210, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Rishi Talwar is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Talwar is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Apoplexy, Sepsis, Heart Attack, Septoplasty, and Adenoidectomy.

    Experienced in Peptic Ulcer
    Family Medicine
    Experienced in Peptic Ulcer
    Family Medicine

    Cucamonga Valley Medical Group

    7777 Milliken Ave Ste 240, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Eric Bekemeier is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Bekemeier is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Obesity, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Showing 1-20 of 298

    Last Updated: 04/28/2026

    What is the definition of Peptic Ulcer?

    A peptic ulcer is an open sore or raw area in the lining of the stomach (gastric ulcer) or in the first part of the small intestine (duodenal ulcer).

    There are two types of peptic ulcers:

    • Gastric ulcer -- occurs in the stomach
    • Duodenal ulcer -- occurs in the first part of the small intestine

    When should I see a Peptic Ulcer doctor near Rancho Cucamonga, 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 Peptic Ulcer doctor near Rancho Cucamonga, 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 Peptic Ulcer doctors near Rancho Cucamonga, 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 Peptic Ulcer doctors near Rancho Cucamonga, 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 Peptic Ulcer doctor near Rancho Cucamonga, 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 Peptic Ulcer doctor search results page. 

    Why is it important to get a second opinion from a different Peptic Ulcer 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 Peptic Ulcer doctor near Rancho Cucamonga, 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 Peptic Ulcer 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 Peptic Ulcer 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 Peptic Ulcer doctors near Rancho Cucamonga, CA?

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

    Look for the filter feature on the left-side of the Peptic Ulcer 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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