The 20 Best Retroperitoneal Fibrosis Doctors Near Me in valencia, CA

Find the Top Retroperitoneal Fibrosis Experts and Specialists

Last Updated: 09/26/2026

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

MediFind found 13 doctor with experience in Retroperitoneal Fibrosis near valencia, CA. Of these, 13 are Experienced.

Location
LocationClose
13 providers found
    Experienced in Retroperitoneal Fibrosis

    Dr. Donald Hannoun
    Oncology | Urology
    Experienced in Retroperitoneal Fibrosis

    Dr. Donald Hannoun
    Oncology | Urology
    Referral may be required
    23823 Valencia Boulevard, Suite 250, 
    Santa Clarita, CA 
     (4.9 miles away)
    661-799-1999
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Donald Hannoun is an Oncologist and a Urologist practicing medicine in Santa Clarita, California. Dr. Hannoun is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Familial Prostate Cancer, Prostate Cancer, Obstructive Uropathy, Reconstructive Urology Surgery, and Ureteroscopy. Dr. Hannoun is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Henry Mayo Newhall Memorial Hospital

    23845 McBean Pkwy, 
    Valencia, CA 
     (0.1 miles away)
    661-253-8000
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Mark Sender is a Urologist practicing medicine in Valencia, California. Dr. Sender is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Urinary Tract Infection in Children, Boils, Kidney Stones, Ureteroscopy, and Prostatectomy.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Kai Dallas, M.D.

    23823 Valencia Blvd, 
    Santa Clarita, CA 
     (0.7 miles away)
    661-799-1999
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Kai Dallas is a Urologist practicing medicine in Santa Clarita, California. Dr. Dallas is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Stress Urinary Incontinence, Urinary Incontinence, Urinary Tract Infection (UTI), Lithotripsy, and Ureteroscopy. Dr. Dallas is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required
    23803 McBean Parkway, Suite 202, 
    Valencia, CA 
     (4.9 miles away)
    661-481-2400
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Sevan Stepanian is a Urologist practicing medicine in Valencia, California. Dr. Stepanian is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Obstructive Uropathy, Hydronephrosis, Bilateral Hydronephrosis, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Stepanian is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required
    23803 McBean Parkway, Suite 202, 
    Valencia, CA 
     (4.9 miles away)
    661-481-2400
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Albert Samadi is a Urologist practicing medicine in Valencia, California. Dr. Samadi is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Obstructive Uropathy, UPJ Obstruction, Enlarged Prostate (BPH), Prostatectomy, and Ureteroscopy. Dr. Samadi is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required
    23803 McBean Parkway, Suite 202, 
    Valencia, CA 
     (4.9 miles away)
    661-481-2400
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Mya Levy is a Urologist practicing medicine in Valencia, California. Dr. Levy is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Stress Urinary Incontinence, Urinary Incontinence, Neurogenic Bladder, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Levy is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required
    19950 Rinaldi Street, Suite 200, 
    Porter Ranch, CA 
     (10.0 miles away)
    818-403-2470
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Daniel Brison is a Urologist practicing medicine in Porter Ranch, California. Dr. Brison is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Obstructive Uropathy, Enlarged Prostate (BPH), Ureterocele, Urethral Stricture, and Ureteroscopy. Dr. Brison is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Providence Holy Cross Medical Center

    15031 Rinaldi St, 
    Mission Hills, CA 
     (11.3 miles away)
    818-496-4530
    Languages Spoken:
    English
    Accepting New Patients

    Barry Wilen is a Radiologist practicing medicine in Mission Hills, California. Dr. Wilen is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Ascites, Headache, Chronic Cough, and CAPOS Syndrome. Dr. Wilen is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Optum - Mission Hills Office

    11600 Indian Hills Rd, 
    Mission Hills, CA 
     (11.3 miles away)
    818-838-4500
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Victoria Scott is a Urologist practicing medicine in Mission Hills, California. Dr. Scott is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Frequent or Urgent Urination, Urinary Incontinence, Thin Basement Membrane Nephropathy, and Stress Urinary Incontinence. Dr. Scott is board certified in American Board Urology. Dr. Scott is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis

    Dr. Vartan M. Vartanians
    Radiology | Interventional Radiology
    Experienced in Retroperitoneal Fibrosis

    Dr. Vartan M. Vartanians
    Radiology | Interventional Radiology
    Referral may be required

    Vartan M. Vartanians, MD Private Practice

    4100 Guardian St, Ste 205, 
    Simi Valley, CA 
     (13.8 miles away)
    855-504-4544
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Vartan Vartanians is a Radiologist and an Interventional Radiologist practicing medicine in Simi Valley, California. Dr. Vartanians is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Pleural Effusion, Pleurisy, and Visceromegaly. Dr. Vartanians is board certified in Radiology Diagnostic Radiology. Dr. Vartanians is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Office

    18436 Roscoe Blvd, 
    Northridge, CA 
     (13.8 miles away)
    818-435-1400
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Rajiv Pai is a Radiologist practicing medicine in Northridge, California. Dr. Pai is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Pleurisy, Pleural Effusion, Nasal Flaring, Bone Marrow Aspiration, and Thyroidectomy. Dr. Pai is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Optum - Roscoe

    18546 Roscoe Blvd, 
    Northridge, CA 
     (13.9 miles away)
    818-886-4028
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Audley Osbourne is a Urologist practicing medicine in Northridge, California. Dr. Osbourne is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Reconstructive Urology Surgery, and Nephrectomy. Dr. Osbourne is board certified in American Board Urology and Urology. Dr. Osbourne is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Northridge Hospital Medical Center

    18300 Roscoe Blvd, 
    Northridge, CA 
     (13.9 miles away)
    818-885-8500
    Languages Spoken:
    English
    See accepted insurances

    Bassam Bejjani is a Urologist practicing medicine in Northridge, California. Dr. Bejjani is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses UPJ Obstruction, Enlarged Prostate (BPH), Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Ureteroscopy.

    Showing 1-13 of 13

    Last Updated: 09/26/2026

    What is the definition of Retroperitoneal Fibrosis?

    Retroperitoneal fibrosis is a rare disorder that blocks the tubes (ureters) that carry urine from the kidneys to the bladder.

    When should I see a Retroperitoneal Fibrosis doctor near valencia, 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 Fibrosis doctor near valencia, 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 do I find the best Retroperitoneal Fibrosis doctor near valencia, CA?

    You can find a Retroperitoneal Fibrosis doctor in any of the 10 largest U.S. cities by clicking below:

    Retroperitoneal Fibrosis doctor near New York, NY
    Retroperitoneal Fibrosis doctor near Los Angeles, CA
    Retroperitoneal Fibrosis doctor near Chicago, IL
    Retroperitoneal Fibrosis doctor near Houston, TX
    Retroperitoneal Fibrosis doctor near Phoenix, AZ
    Retroperitoneal Fibrosis doctor near Philadelphia, PA
    Retroperitoneal Fibrosis doctor near Atlanta, GA
    Retroperitoneal Fibrosis doctor near Boston, MA
    Retroperitoneal Fibrosis doctor near Dallas, TX
    Retroperitoneal Fibrosis doctor near San Jose, CA

    How does MediFind rank Retroperitoneal Fibrosis doctors near valencia, 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 Fibrosis doctors near valencia, 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 Fibrosis doctor near valencia, 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 Fibrosis doctor search results page. 

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

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

    Look for the filter feature on the left-side of the Retroperitoneal Fibrosis 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 Retroperitoneal Fibrosis Doctors by city