The 20 Best Retroperitoneal Inflammation Doctors Near Me in Fontana, CA

Find the Top Retroperitoneal Inflammation Experts and Specialists

The 20 Best Retroperitoneal Inflammation Doctors near Fontana, CA

Last Updated: 02/22/2026

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MediFind found 183 doctor with experience in Retroperitoneal Inflammation near Fontana, CA. Of these, 155 are Experienced and 28 are Advanced.

Location
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183 providers found
    Experienced in Retroperitoneal Inflammation
    Colorectal Surgery
    Experienced in Retroperitoneal Inflammation
    Colorectal Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Robert Yuhan is a Colorectal Surgeon in Fontana, California. Dr. Yuhan is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Gallbladder Disease, Ogilvie Syndrome, Familial Colorectal Cancer, and Colostomy. Dr. Yuhan is currently accepting new patients.

    Experienced in Retroperitoneal Inflammation
    Pediatric Radiology
    Experienced in Retroperitoneal Inflammation
    Pediatric Radiology

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Raphael Alford is a Pediatric Radiologist in Fontana, California. Dr. Alford is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Visceromegaly, Ascites, Gallbladder Disease, and Pleural Effusion.

    Experienced in Retroperitoneal Inflammation
    Radiology | Interventional Radiology
    Experienced in Retroperitoneal Inflammation
    Radiology | Interventional Radiology

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jeffrey Karst is a Radiologist and an Interventional Radiologist in Fontana, California. Dr. Karst is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Small Cell Lung Cancer (SCLC), Lung Cancer, Ascites, Stent Placement, and Transmyocardial Revascularization. Dr. Karst is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Retroperitoneal Inflammation
    Radiology | General Surgery
    Experienced in Retroperitoneal Inflammation
    Radiology | General Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ching-long Ni is a Radiologist and a General Surgeon in Fontana, California. Dr. Ni is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Neonatal Ovarian Cyst, Scoliosis, Fractured Spine, and Tenosynovitis. Dr. Ni is currently accepting new patients.

    Experienced in Retroperitoneal Inflammation
    General Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery

    Fontana Medical Center

    9961 Sierra Avenue, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Wega Koss is a General Surgeon in Fontana, California. Dr. Koss is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. Her top areas of expertise are Retroperitoneal Inflammation, Gastrointestinal Perforation, Gallstones, and Necrotizing Fasciitis. Dr. Koss is currently accepting new patients.

    Experienced in Retroperitoneal Inflammation
    General Surgery | Colorectal Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery | Colorectal Surgery

    Fontana Medical Center

    9961 Sierra Avenue, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joseph Ruan is a General Surgeon and a Colorectal Surgeon in Fontana, California. Dr. Ruan is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Rectal Prolapse, Retroperitoneal Inflammation, Ogilvie Syndrome, Familial Colorectal Cancer, and Colostomy. Dr. Ruan is currently accepting new patients.

    Milton R. Retamozo
    Advanced in Retroperitoneal Inflammation
    General Surgery
    Advanced in Retroperitoneal Inflammation
    General Surgery

    Cal Med Physicians And Surgeons, Inc.

    400 N Pepper Ave, 
    Colton, CA 
     (5.0 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English

    Milton Retamozo is a General Surgeon in Colton, California. Dr. Retamozo has been practicing medicine for over 26 years and is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Gangrene, Ogilvie Syndrome, Gastrostomy, and Hernia Surgery.

    Experienced in Retroperitoneal Inflammation
    Radiology
    Experienced in Retroperitoneal Inflammation
    Radiology

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (5.0 miles away)
    Languages Spoken:
    English

    James Kim is a Radiologist in Colton, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Gallbladder Disease, Vertigo, Visceromegaly, Pleurisy, and Bone Marrow Aspiration.

    Experienced in Retroperitoneal Inflammation
    Intensive Care Medicine
    Experienced in Retroperitoneal Inflammation
    Intensive Care Medicine

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (5.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ruben Burbank is an Intensive Care Medicine provider in Colton, California. Dr. Burbank is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Delirium, Chronic Subdural Hematoma, Retroperitoneal Inflammation, Subdural Hematoma, and Hernia Surgery.

    Experienced in Retroperitoneal Inflammation
    Intensive Care Medicine
    Experienced in Retroperitoneal Inflammation
    Intensive Care Medicine

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (5.0 miles away)
    Languages Spoken:
    English

    Brandon Woodward is an Intensive Care Medicine provider in Colton, California. Dr. Woodward is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Cholecystitis, Cellulitis, Hernia, Gallbladder Disease, and Gallbladder Removal.

    Alvaro Bolivar
    Experienced in Retroperitoneal Inflammation
    General Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery

    Bolivar Family Medical Clinic, Inc.

    598 N F St, 
    San Bernardino, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dr. Alvaro Bolivar and his staff at our outpatient clinic believe that each patient is a unique individual with their own special needs and concerns. We are committed to high quality care personalized to your needs. Your health and satisfaction is our goal. Dr. Bolivar is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Gallstones, Choledocholithiasis, Gallbladder Disease, Colostomy, and Gastrostomy.

    Experienced in Retroperitoneal Inflammation
    General Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery

    General Surgery

    9985 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Carie Mcvay is a General Surgeon in Fontana, California. Dr. Mcvay is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. Her top areas of expertise are Hernia, Choledocholithiasis, Gallstones, and Gallbladder Disease.

    Experienced in Retroperitoneal Inflammation
    General Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery

    General Surgery

    9985 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Deron Tessier is a General Surgeon in Fontana, California. Dr. Tessier is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Choledocholithiasis, Acrospiroma, Gallstones, Gallbladder Removal, and Appendectomy.

    Experienced in Retroperitoneal Inflammation
    General Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients

    Rene Tellez is a General Surgeon in Fontana, California. Dr. Tellez has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Adult Soft Tissue Sarcoma, Gallbladder Disease, and Choledocholithiasis. Dr. Tellez is currently accepting new patients.

    Experienced in Retroperitoneal Inflammation
    Thoracic Surgery | General Surgery
    Experienced in Retroperitoneal Inflammation
    Thoracic Surgery | General Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lawrence Kong is a General Surgeon and a Thoracic Surgeon in Fontana, California. Dr. Kong is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Collapsed Lung, Retroperitoneal Inflammation, Stomach Cancer, Endoscopy, and Gastrectomy. Dr. Kong is currently accepting new patients.

    Experienced in Retroperitoneal Inflammation
    General Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Stephanie Hanna is a General Surgeon in Fontana, California. Dr. Hanna has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. Her top areas of expertise are Gallstones, Choledocholithiasis, Gallbladder Disease, Bladder Reconstruction, and Lymphadenectomy.

    Experienced in Retroperitoneal Inflammation
    Colorectal Surgery
    Experienced in Retroperitoneal Inflammation
    Colorectal Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Ngoc Nguyen is a Colorectal Surgeon in Fontana, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Retroperitoneal Inflammation, Familial Colorectal Cancer, Pilonidal Sinus Disease, Ogilvie Syndrome, and Ileostomy.

    Experienced in Retroperitoneal Inflammation
    Radiology | Interventional Radiology
    Experienced in Retroperitoneal Inflammation
    Radiology | Interventional Radiology

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Hyung Kim is a Radiologist and an Interventional Radiologist in Fontana, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Neonatal Ovarian Cyst, Ascites, Alcoholic Cirrhosis, Varicose Veins, and Bone Marrow Aspiration.

    Experienced in Retroperitoneal Inflammation
    General Surgery
    Experienced in Retroperitoneal Inflammation
    General Surgery

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Nhan Huynh is a General Surgeon in Fontana, California. Dr. Huynh is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. Her top areas of expertise are Short Bowel Syndrome, Subareolar Abscess, Gallbladder Disease, Choledocholithiasis, and Appendectomy.

    Experienced in Retroperitoneal Inflammation
    Radiology | Interventional Radiology
    Experienced in Retroperitoneal Inflammation
    Radiology | Interventional Radiology

    Southern California Permanente Medical Group

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    David Saperstein is a Radiologist and an Interventional Radiologist in Fontana, California. Dr. Saperstein is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Inflammation. His top areas of expertise are Stroke, Cystoisosporiasis, Pleural Effusion, and Pleurisy.

    Showing 1-20 of 183

    Last Updated: 02/22/2026

    What is the definition of Retroperitoneal Inflammation?

    Retroperitoneal inflammation causes swelling that occurs in the retroperitoneal space. Over time, it can lead to a mass behind the abdomen and its contents called retroperitoneal fibrosis.

    The retroperitoneal space is in front of the lower back and behind the abdominal lining (peritoneum). Organs in this space include the:

    • Kidneys
    • Lymph nodes
    • Pancreas
    • Ureters
    • Adrenal glands
    • Esophagus
    • Abdominal aorta
    • Parts of the colon and stomach
    • Rectum

    When should I see a Retroperitoneal Inflammation doctor near Fontana, 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 Retroperitoneal Inflammation doctor near Fontana, 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 Retroperitoneal Inflammation doctors near Fontana, 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 Retroperitoneal Inflammation doctors near Fontana, 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 Retroperitoneal Inflammation doctor near Fontana, 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 Retroperitoneal Inflammation doctor search results page. 

    Why is it important to get a second opinion from a different Retroperitoneal Inflammation 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 Retroperitoneal Inflammation doctor near Fontana, 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 Retroperitoneal Inflammation 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 Retroperitoneal Inflammation 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 Retroperitoneal Inflammation doctors near Fontana, CA?

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

    Look for the filter feature on the left-side of the Retroperitoneal Inflammation 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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