The 20 Best Peptic Ulcer Doctors Near Me in San Marcos, CA

Find the Top Peptic Ulcer Experts and Specialists

Last Updated: 04/28/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 282 doctor with experience in Peptic Ulcer near San Marcos, CA. Of these, 270 are Experienced, 10 are Advanced and 2 are Distinguished.

Location
LocationClose
282 providers found
    Experienced in Peptic Ulcer
    Intensive Care Medicine
    Experienced in Peptic Ulcer
    Intensive Care Medicine

    Office

    838 Nordahl Rd Ste 270, 
    San Marcos, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Matthew Kozloff is an Intensive Care Medicine provider practicing medicine in San Marcos, California. Dr. Kozloff is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Chronic Subdural Hematoma, Delirium, Subdural Hematoma, Hernia Surgery, and Colostomy.

    Experienced in Peptic Ulcer
    Intensive Care Medicine
    Experienced in Peptic Ulcer
    Intensive Care Medicine

    Office

    838 Nordahl Rd Ste 270, 
    San Marcos, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    John Steele is an Intensive Care Medicine provider practicing medicine in San Marcos, California. Dr. Steele is rated as an Experienced 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 Delirium, Subarachnoid Hemorrhage, Chronic Subdural Hematoma, Colostomy, and Ileostomy.

    Experienced in Peptic Ulcer
    Intensive Care Medicine
    Experienced in Peptic Ulcer
    Intensive Care Medicine

    Office

    2067 Wineridge Pl Ste A, 
    Escondido, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Michael Katz is an Intensive Care Medicine provider practicing medicine in Escondido, California. Dr. Katz is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Subarachnoid Hemorrhage, Chronic Subdural Hematoma, Delirium, Subdural Hematoma, and Hernia Surgery.

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

    Office

    2067 Wineridge Pl Ste A, 
    Escondido, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Gregory Campbell is an Intensive Care Medicine provider practicing medicine in Escondido, California. Dr. Campbell is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Chronic Subdural Hematoma, Delirium, Subdural Hematoma, Ogilvie Syndrome, and Hernia Surgery.

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

    Palomar Medical Center Laboratory

    2185 Citracado Pkwy, 
    Escondido, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Shawn Fazel is a primary care provider, practicing in Internal Medicine in Escondido, California. Dr. Fazel is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Sepsis, Peptic Ulcer, Bone Marrow Aspiration, and Endoscopy.

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

    Escondido Office - Second Avenue Internal Medicine

    225 E 2nd Ave Ste 102, 
    Escondido, CA 
     (5.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Emad Bishay is a primary care provider, practicing in Internal Medicine in Escondido, California. Dr. Bishay is rated as an Advanced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Sepsis, Arthritis, Stroke, Gastrostomy, and Hip Replacement. Dr. Bishay is currently accepting new patients.

    Distinguished in Peptic Ulcer
    Vascular Surgery
    Distinguished in Peptic Ulcer
    Vascular Surgery

    Sunil Rayan M.D. Inc.

    320 Santa Fe Dr Ste 212, 
    Encinitas, CA 
     (10.0 miles away)
    Languages Spoken:
    English

    Sunil Rayan is a Vascular Surgeon practicing medicine in Encinitas, California. Dr. Rayan is rated as a Distinguished provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Venous Insufficiency, Stasis Dermatitis and Ulcers, Varicose Veins, Peptic Ulcer, and Carotid Artery Surgery.

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

    Graybill Medical Group Inc

    277 Rancheros Dr, Suite 100, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Isela Penunuri is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Penunuri is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses High Cholesterol, Generalized Anxiety Disorder (GAD), Gastroesophageal Reflux Disease (GERD), and Familial Hypertension.

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

    Truecare

    150 Valpreda Rd, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Devarshi Nath is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Nath is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Bronchitis, and Lymphangitis.

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

    Truecare

    150 Valpreda Rd, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Samuel Poniachik is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Poniachik is rated as an Experienced 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 Myelitis, AIDS Dementia Complex, HIV/AIDS, and AIDS Dysmorphic Syndrome.

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

    Truecare

    150 Valpreda Rd, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Izabela Witczak is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Witczak 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 Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Osteomyelitis in Children, and Hypertension.

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

    Truecare

    150 Valpreda Rd, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Jorge Otanez is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Otanez is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His clinical expertise encompasses Sciatica, Obesity in Children, Scoliosis, and Type 2 Diabetes (T2D).

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

    Truecare

    150 Valpreda Rd, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Julie Matias is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Matias is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Obesity in Children, and Chronic Pain.

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

    Scripps Coastal Medical Center San Marcos

    111 Campus Way Ste 301, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Imran Ahmed is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Ahmed is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His clinical expertise encompasses Chronic Pain, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Strong is a General Surgeon practicing medicine in San Marcos, California. Dr. Strong is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Gastroparesis, Hernia, Superior Mesenteric Artery Syndrome (SMAS), Gastrectomy, and Gastric Bypass.

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

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Lora Sowunmi is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Sowunmi is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Malnutrition, Autosomal Recessive Primary Microcephaly, Microcephaly, Endoscopy, and Colonoscopy.

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

    Kaiser Permanente San Marcos Medical Offices

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Sze Ding is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Ding is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. Her clinical expertise encompasses Peptic Ulcer, Necrosis, and Cellulitis.

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

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Sarah Williams is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Williams 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 Malnutrition, Gastrointestinal Fistula, Ogilvie Syndrome, and Gastrointestinal Perforation.

    Experienced in Peptic Ulcer
    General Surgery
    Experienced in Peptic Ulcer
    General Surgery

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kevin El is a General Surgeon practicing medicine in San Marcos, California. Dr. El is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Median Arcuate Ligament Syndrome (MALS), Acute Pancreatitis, Gastroparesis, Pancreatectomy, and Endoscopy.

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

    San Marcos Medical Offices

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Curtis Buck is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Buck is rated as an Experienced provider by MediFind in the treatment of Peptic Ulcer. His clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Asthma, Asthma in Children, and Cellulitis. Dr. Buck is currently accepting new patients.

    Showing 1-20 of 282

    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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 

    Read more about our Content Policy

    More Peptic Ulcer Doctors by city