The 20 Best Retroperitoneal Fibrosis Doctors Near Me in thousand oaks, CA

Find the Top Retroperitoneal Fibrosis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 14 doctor with experience in Retroperitoneal Fibrosis near thousand oaks, CA. Of these, 13 are Experienced and 1 are Advanced.

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14 providers found
    Advanced in Retroperitoneal Fibrosis
    Advanced in Retroperitoneal Fibrosis
    Referral may be required

    Kiavash Nikkhou, MD, INC.

    415 Rolling Oaks Dr Ste 260, 
    Thousand Oaks, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Kiavash Nikkhou is a Urologist practicing medicine in Thousand Oaks, California. Dr. Nikkhou is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Loin Pain Hematuria Syndrome, Ochoa Syndrome, Enlarged Prostate (BPH), Ureteroscopy, and Reconstructive Urology Surgery. Dr. Nikkhou is currently accepting new patients.

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

    Los Robles Health System

    215 W Janss Rd, 
    Thousand Oaks, CA 
     (2.9 miles away)
    805-370-4282
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Catherine Moses is a Radiologist practicing medicine in Thousand Oaks, California. Dr. Moses is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Breast Infection, Muscle Invasive Bladder Cancer, Breast Lump, and Angiomyoma. Dr. Moses is currently accepting new patients.

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

    Simi San Fernando Valley Urology Associates

    2220 Lynn Rd Ste 108, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Soheil Niku is a Urologist practicing medicine in Thousand Oaks, California. Dr. Niku is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Urinary Tract Infection in Children, Hydronephrosis, Ureteroscopy, and Prostatectomy. Dr. Niku is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required

    Simi San Fernando Valley Urology Associates

    2220 Lynn Rd Ste 108, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Shashi Reddy is a Urologist practicing medicine in Thousand Oaks, California. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Ureteroscopy, and Ureteral Reconstruction. Dr. Reddy is currently accepting new patients.

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

    Dr. Kyle K Himsl - MD

    415 Rolling Oaks Dr Ste 260, 
    Thousand Oaks, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Kyle Himsl is a Urologist practicing medicine in Thousand Oaks, California. Dr. Himsl is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Loin Pain Hematuria Syndrome, Acute Cystitis, Prostatectomy, and Ureteroscopy. Dr. Himsl is currently accepting new patients.

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

    Kristin J Santangelo, MD

    415 Rolling Oaks Dr Ste 260, 
    Thousand Oaks, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Kristin Santangelo is a Urologist practicing medicine in Thousand Oaks, California. Dr. Santangelo is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. She is also highly rated in 34 other conditions, according to our data. Her clinical expertise encompasses Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Kidney Stones, Perirenal Abscess, and Ureteroscopy. Dr. Santangelo 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 
     (9.8 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

    West Coast Urology Camarillo

    2486 N. Ponderosa Dr. Suite D 202, 
    Camarillo, CA 
     (13.7 miles away)
    805-973-5902
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Kevin Lee is a Urologist practicing medicine in Camarillo, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Male Genital Sores, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Ureteroscopy, and Prostatectomy. Dr. Lee is board certified in Urology. Dr. Lee is currently accepting new patients.

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

    West Virginia Radiology Associates, PC

    26500 Agoura Rd Ste 102-587, 
    Calabasas, CA 
     (10.8 miles away)
    747-200-6433
    Languages Spoken:
    English
    See accepted insurances

    Juan Rodriguez is a Radiologist practicing medicine in Calabasas, California. Dr. Rodriguez is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Bronchogenic Cyst, Ascites, Liver Embolization, and Bone Marrow Aspiration.

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

    Office

    422 Arneill Rd, 
    Camarillo, CA 
     (11.3 miles away)
    805-948-4552
    Languages Spoken:
    English
    See accepted insurances

    Roy Sugasawara is a Urologist practicing medicine in Camarillo, California. Dr. Sugasawara is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Prostate Cancer, Prostate Cancer, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Ureteroscopy.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    Referral may be required
    7345 Medical Center Drive, Suite 300, 
    West Hills, CA 
     (12.6 miles away)
    818-346-8736
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Eugene Dula is a Urologist practicing medicine in West Hills, California. Dr. Dula is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Frequent or Urgent Urination, and Ureteroscopy. Dr. Dula is currently accepting new patients.

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

    UCLA West Valley Medical Center

    7300 Medical Center Dr, 
    West Hills, CA 
     (12.7 miles away)
    818-676-4100
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Michael Kupfer is a Radiologist practicing medicine in West Hills, California. Dr. Kupfer is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Congenital Giant Megaureter, Ascites, Mohr-Tranebjaerg Syndrome, Bone Marrow Aspiration, and Gastrostomy. Dr. Kupfer is currently accepting new patients.

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

    Woodland Hills Medical Center

    5601 De Soto Ave, 
    Woodland Hills, CA 
     (14.8 miles away)
    818-719-2000
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Simon Wu is a Urologist practicing medicine in Woodland Hills, California. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His clinical expertise encompasses UPJ Obstruction, Obstructive Uropathy, Bilateral Hydronephrosis, and Retroperitoneal Fibrosis. Dr. Wu is currently accepting new patients.

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

    Woodland Hills Medical Center

    5601 De Soto Ave, 
    Woodland Hills, CA 
     (14.8 miles away)
    818-719-2000
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Marc Herskowitz is a Urologist practicing medicine in Woodland Hills, California. Dr. Herskowitz is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His clinical expertise encompasses Priapism, Enlarged Prostate (BPH), UPJ Obstruction, and Paraphimosis.

    Showing 1-14 of 14

    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 thousand oaks, 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 thousand oaks, 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 thousand oaks, CA?

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

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    How does MediFind rank Retroperitoneal Fibrosis doctors near thousand oaks, 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 thousand oaks, 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 thousand oaks, 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 thousand oaks, 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 thousand oaks, 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 

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