The 20 Best UPJ Obstruction Doctors Near Me in Duarte, CA

Find the Top UPJ Obstruction 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 47 doctor with experience in UPJ Obstruction near Duarte, CA. Of these, 22 are Experienced, 21 are Advanced and 4 are Distinguished.

Location
LocationClose
47 providers found
    Advanced in UPJ Obstruction
    Surgical Oncology
    Advanced in UPJ Obstruction
    Surgical Oncology

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ali Zhumkhawala is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Zhumkhawala is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Choriocarcinoma, WT1-Related Wilms Tumor Syndromes, Clear Cell Sarcoma, Reconstructive Urology Surgery, and Nephrectomy.

    Advanced in UPJ Obstruction
    Surgical Oncology
    Advanced in UPJ Obstruction
    Surgical Oncology

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kevin Chan is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Chan is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Urothelial Cancer, Muscle Invasive Bladder Cancer, Non-Muscle Invasive Bladder Cancer, Ureteral Reconstruction, and Ureteroscopy.

    Advanced in UPJ Obstruction
    Surgical Oncology
    Advanced in UPJ Obstruction
    Surgical Oncology

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (0.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Humberto Villarreal is a Surgical Oncologist practicing medicine in Duarte, California. He has been practicing medicine for over 17 years. Dr. Villarreal is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Urethral Stricture, Retroperitoneal Fibrosis, Obstructive Uropathy, Ureteroscopy, and Reconstructive Urology Surgery.

    Learn about our expert tiers
    Experienced in UPJ Obstruction
    Surgical Oncology
    Experienced in UPJ Obstruction
    Surgical Oncology

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Bertram Yuh is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Yuh is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Bladder Cancer, Prostate Cancer, Hydronephrosis, Cystectomy, and Prostatectomy.

    Experienced in UPJ Obstruction
    Surgical Oncology
    Experienced in UPJ Obstruction
    Surgical Oncology

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Clayton Lau is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Lau is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Renal Cell Carcinoma (RCC), Prostate Cancer, Bladder Cancer, Nephrectomy, and Cystectomy.

    Experienced in UPJ Obstruction
    Surgical Oncology
    Experienced in UPJ Obstruction
    Surgical Oncology

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Yamzon is a Surgical Oncologist practicing medicine in Duarte, California. Dr. Yamzon is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Prostate Cancer, Bladder Cancer, Muscle Invasive Bladder Cancer, Cystectomy, and Prostatectomy.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    City Of Hope Comprehensive Cancer Center-Duarte

    1500 Duarte Rd, 
    Duarte, CA 
     (0.8 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Wesley Yip is an Oncologist practicing medicine in Duarte, California. He has been practicing medicine for over 10 years. Dr. Yip is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Upper Tract Urothelial Carcinoma (UTUC), Urothelial Cancer, Bladder Cancer, Nephrectomy, and Cystectomy.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Chinn And Chinn Urology Medical

    65 N 1st Ave Ste 102, 
    Arcadia, CA 
     (3.5 miles away)
    Languages Spoken:
    English

    Douglas Chinn is a Urologist practicing medicine in Arcadia, California. Dr. Chinn is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses Neurogenic Bladder, Prostate Cancer, Familial Prostate Cancer, Obstructive Uropathy, and Ureteroscopy.

    Distinguished in UPJ Obstruction
    Distinguished in UPJ Obstruction

    Ben B. Shenassa, MD Inc.

    2750 W Broadway, 
    Eagle Rock, CA 
     (14.9 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English
    Offers Telehealth

    Benham Shenassa is a Urologist practicing medicine in Eagle Rock, California. He has been practicing medicine for over 31 years. Dr. Shenassa is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Urinary Tract Infection in Children, Kidney Stones, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Shenassa is board certified in American Board Urology.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Alan H. Yamada, MD Inc

    624 W Duarte Rd, 
    Arcadia, CA 
     (5.1 miles away)
    Experience:
    39+ years
    Languages Spoken:
    English
    Offers Telehealth

    Alan Yamada is a Urologist practicing medicine in Arcadia, California. He has been practicing medicine for over 39 years. Dr. Yamada is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Urinary Tract Infection in Children, Perirenal Abscess, Boils, Prostatectomy, and Ureteroscopy. Dr. Yamada is board certified in American Board Urology.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Covina Valley Urologic Medical Group, Inc

    421 E Merced Ave, 
    West Covina, CA 
     (6.1 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English

    John Lee is a Urologist practicing medicine in West Covina, California. He has been practicing medicine for over 21 years. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Bilateral Hydronephrosis, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Lee is board certified in American Board Urology.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Covina Valley Urologic Medical Group, Inc

    421 E Merced Ave, 
    West Covina, CA 
     (6.1 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English

    Sung Choe is a Urologist practicing medicine in West Covina, California. He has been practicing medicine for over 41 years. Dr. Choe is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Kidney Stones, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Ureteroscopy. Dr. Choe is board certified in American Board Urology.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Jeremy Montez, M.D.

    412 W Carroll Ave Ste 200, 
    Glendora, CA 
     (7.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeremy Montez is an Oncologist practicing medicine in Glendora, California. Dr. Montez is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Obstructive Uropathy, Enlarged Prostate (BPH), UPJ Obstruction, Thrombectomy, and Ureteroscopy.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Diana Londono, M.D.

    412 W Carroll Ave Ste 200, 
    Glendora, CA 
     (7.2 miles away)
    Languages Spoken:
    English

    Diana Londono is a Urologist practicing medicine in Glendora, California. Dr. Londono is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. She is also highly rated in 17 other conditions, according to our data. Her clinical expertise encompasses Vulvovaginitis, Pelvic Inflammatory Disease, Myotonia Congenita, Boils, and Ureteroscopy.

    Distinguished in UPJ Obstruction
    Distinguished in UPJ Obstruction

    Felix Chi-Ming Yip, Md, Inc.

    600 N Garfield Ave, 
    Monterey Park, CA 
     (10.3 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English
    Offers Telehealth

    Felix Yip is a Urologist practicing medicine in Monterey Park, California. He has been practicing medicine for over 46 years. Dr. Yip is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Urethritis, Obstructive Uropathy, Ureteroscopy, and Gastrostomy. Dr. Yip is board certified in American Board Urology.

    Distinguished in UPJ Obstruction
    Distinguished in UPJ Obstruction

    Inland Urology Medical Group Inc

    210 W Bonita Ave, 
    Pomona, CA 
     (12.7 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English
    Offers Telehealth

    Elmer Pineda is a Urologist practicing medicine in Pomona, California. He has been practicing medicine for over 31 years. Dr. Pineda is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Ochoa Syndrome, Neurogenic Bladder, Enlarged Prostate (BPH), Ureteroscopy, and Reconstructive Urology Surgery. Dr. Pineda is board certified in American Board Of Urology.

    Distinguished in UPJ Obstruction
    Distinguished in UPJ Obstruction

    PIH Health Urology

    14350 Whittier Blvd Ste 100, 
    Whittier, CA 
     (13.5 miles away)
    Languages Spoken:
    English

    Alexander Chow is a Urologist practicing medicine in Whittier, California. Dr. Chow is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses UPJ Obstruction, Hydronephrosis, Renal Cell Carcinoma (RCC), Nephrectomy, and Ureteroscopy.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Kaiser Permanente Baldwin Park Medical Center - Urology Department

    1011 Baldwin Park Boulevard, 
    Baldwin Park, CA 
     (5.3 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hossein Mirheydar is a Urologist practicing medicine in Baldwin Park, California. He has been practicing medicine for over 17 years. Dr. Mirheydar is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Kidney Stones, Enlarged Prostate (BPH), Urinary Tract Infection in Children, Nephrectomy, and Lithotripsy. Dr. Mirheydar is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Baldwin Park Medical Center

    1011 Baldwin Park Boulevard, 
    Baldwin Park, CA 
     (5.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Reynaldo Hernandez is a Urologist practicing medicine in Baldwin Park, California. Dr. Hernandez is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses Enlarged Prostate (BPH), Urethral Stricture, UPJ Obstruction, and Prostate Cancer. Dr. Hernandez is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Baldwin Park Medical Center

    1011 Baldwin Park Boulevard, 
    Baldwin Park, CA 
     (5.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Young Kim is a Urologist practicing medicine in Baldwin Park, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Paraphimosis, Male Genital Sores, Undescended Testicle, and Scrotal Masses.

    Showing 1-20 of 47

    Last Updated: 04/28/2026

    What is the definition of UPJ Obstruction?

    Ureteropelvic junction (UPJ) obstruction is a blockage at the point where part of the kidney attaches to one of the tubes to the bladder (ureters). This blocks the flow of urine out of the kidney.

    When should I see an UPJ Obstruction doctor near Duarte, 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 an UPJ Obstruction doctor near Duarte, 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 UPJ Obstruction doctors near Duarte, 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 UPJ Obstruction doctors near Duarte, 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 an UPJ Obstruction doctor near Duarte, 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 UPJ Obstruction doctor search results page. 

    Why is it important to get a second opinion from a different UPJ Obstruction 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 an UPJ Obstruction doctor near Duarte, 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 UPJ Obstruction 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 UPJ Obstruction 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 UPJ Obstruction doctors near Duarte, CA?

    Look for the filter feature on the left side of the UPJ Obstruction 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 an UPJ Obstruction doctor that offers video calls?

    Look for the filter feature on the left-side of the UPJ Obstruction 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