The 20 Best Retroperitoneal Fibrosis Doctors Near Me in Thousand Oaks, CA

Find the Top Retroperitoneal Fibrosis Experts and Specialists

The 20 Best Retroperitoneal Fibrosis Doctors near Thousand Oaks, CA

Last Updated: 02/22/2026

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MediFind found 17 doctor with experience in Retroperitoneal Fibrosis near Thousand Oaks, CA. Of these, 15 are Experienced and 2 are Advanced.

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17 providers found
    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis

    Los Robles Health System

    215 W Janss Rd, 
    Thousand Oaks, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Catherine Moses is a Radiologist in Thousand Oaks, California. Dr. Moses is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. Her top areas of expertise are Breast Infection, Muscle Invasive Bladder Cancer, Breast Lump, and Angiomyoma.

    Advanced in Retroperitoneal Fibrosis
    Advanced in Retroperitoneal Fibrosis

    Kiavash Nikkhou MD Inc

    415 Rolling Oaks Dr, Suite 260, 
    Thousand Oaks, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kiavash Nikkhou is a Urologist in Thousand Oaks, California. Dr. Nikkhou is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Loin Pain Hematuria Syndrome, Ochoa Syndrome, Enlarged Prostate (BPH), Ureteroscopy, and Reconstructive Urology Surgery.

    Advanced in Retroperitoneal Fibrosis
    Advanced in Retroperitoneal Fibrosis

    USC Care Medical Group Inc

    215 W Janss Rd, 
    Thousand Oaks, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mihir Desai is a Urologist in Thousand Oaks, California. Dr. Desai is rated as an Advanced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Bladder Cancer, Enlarged Prostate (BPH), Renal Cell Carcinoma (RCC), Aquablation, and Nephrectomy.

    Learn about our expert tiers
    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    415 Rolling Oaks Dr, Suite 260, 
    Thousand Oaks, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Kyle Himsl is a Urologist in Thousand Oaks, California. Dr. Himsl is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Enlarged Prostate (BPH), Loin Pain Hematuria Syndrome, Acute Cystitis, Prostatectomy, and Ureteroscopy.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    415 Rolling Oaks Dr, Suite 260, 
    Thousand Oaks, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kristin Santangelo is a Urologist in Thousand Oaks, California. Dr. Santangelo is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. Her top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Kidney Stones, Perirenal Abscess, and Ureteroscopy.

    Kevin Lee
    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis

    West Coast Urology Camarillo

    2486 N. Ponderosa Dr. Suite D 202, 
    Camarillo, CA 
     (13.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Lee is a Urologist in Camarillo, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Male Genital Sores, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Ureteroscopy, and Prostatectomy. Dr. Lee is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Radiology | Neuroradiology
    Experienced in Retroperitoneal Fibrosis
    Radiology | Neuroradiology

    Larry R. Sadler, MD Private Practice

    4100 Guardian St, Ste 205, 
    Simi Valley, CA 
     (9.8 miles away)
    Languages Spoken:
    English

    Larry Sadler is a Radiologist and a Neuroradiologist in Simi Valley, California. Dr. Sadler is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Stroke, CAPOS Syndrome, Subarachnoid Hemorrhage, and Pleural Effusion.

    Experienced in Retroperitoneal Fibrosis
    Radiology | Interventional Radiology
    Experienced in Retroperitoneal Fibrosis
    Radiology | Interventional Radiology

    Vartan M. Vartanians, MD Private Practice

    4100 Guardian St, Ste 205, 
    Simi Valley, CA 
     (9.8 miles away)
    Languages Spoken:
    English

    Vartan Vartanians is a Radiologist and an Interventional Radiologist in Simi Valley, California. Dr. Vartanians is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Gallbladder Disease, Pleural Effusion, Pleurisy, and Visceromegaly.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis

    Simi-San Fernando Valley Urology Associates

    2925 Sycamore Dr, Suite 103, 
    Simi Valley, CA 
     (9.8 miles away)
    Languages Spoken:
    English

    Soheil Niku is a Urologist in Simi Valley, California. Dr. Niku is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Enlarged Prostate (BPH), Urinary Tract Infection in Children, Hydronephrosis, Ureteroscopy, and Prostatectomy.

    Experienced in Retroperitoneal Fibrosis
    Interventional Radiology
    Experienced in Retroperitoneal Fibrosis
    Interventional Radiology

    Adventist Health Simi Valley

    2975 Sycamore Dr, 
    Simi Valley, CA 
     (9.8 miles away)
    Languages Spoken:
    English

    Raj Shah is an Interventional Radiologist in Simi Valley, California. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Pleurisy, Pleural Effusion, Gallbladder Disease, Thyroidectomy, and Bone Marrow Aspiration.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    7345 Medical Center Drive, Suite 300, 
    West Hills, CA 
     (12.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eugene Dula is a Urologist in West Hills, California. Dr. Dula is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are 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

    UCLA West Valley Medical Center

    7300 Medical Center Dr, 
    West Hills, CA 
     (12.7 miles away)
    Languages Spoken:
    English

    Michael Kupfer is a Radiologist in West Hills, California. Dr. Kupfer is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Congenital Giant Megaureter, Ascites, Aicardi-Goutieres Syndrome, Bone Marrow Aspiration, and Gastrostomy.

    Experienced in Retroperitoneal Fibrosis
    General Surgery
    Experienced in Retroperitoneal Fibrosis
    General Surgery

    Le Brand MD Corporation

    4542 Las Posas Rd Ste D, 
    Camarillo, CA 
     (13.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ryan Bowman is a General Surgeon in Camarillo, California. Dr. Bowman is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Enlarged Prostate (BPH), Boils, Folliculitis, Carbuncle, and Ureteroscopy. Dr. Bowman is currently accepting new patients.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis

    West Virginia Radiology Associates, PC

    26500 Agoura Rd Ste 102-587, 
    Calabasas, CA 
     (10.8 miles away)
    Languages Spoken:
    English

    Juan Rodriguez is a Radiologist in Calabasas, California. Dr. Rodriguez is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Small Cell Lung Cancer (SCLC), Bronchogenic Cyst, Liver Embolization, and Bone Marrow Aspiration.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis
    360 Mobil Ave, #116, 
    Camarillo, CA 
     (11.5 miles away)
    Languages Spoken:
    English

    Roy Sugasawara is a Urologist in Camarillo, California. Dr. Sugasawara is rated as an Experienced provider by MediFind in the treatment of Retroperitoneal Fibrosis. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Ureteroscopy.

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis

    Woodland Hills Medical Center

    5601 De Soto Ave, 
    Woodland Hills, CA 
     (14.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

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

    Experienced in Retroperitoneal Fibrosis
    Experienced in Retroperitoneal Fibrosis

    Woodland Hills Medical Center

    5601 De Soto Ave, 
    Woodland Hills, CA 
     (14.8 miles away)
    Languages Spoken:
    English

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

    Showing 1-17 of 17

    Last Updated: 02/22/2026

    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 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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