The 20 Best UPJ Obstruction Doctors Near Me in Longmont, CO

Find the Top UPJ Obstruction Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 18 doctor with experience in UPJ Obstruction near Longmont, CO. Of these, 10 are Experienced, 5 are Advanced and 3 are Distinguished.

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18 providers found
    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Colorado Urology

    2030 Mountain View Ave Ste 420, 
    Longmont, CO 
     (0.2 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    John Paddack is a Urologist practicing medicine in Longmont, Colorado. He has been practicing medicine for over 17 years. Dr. Paddack is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Obstructive Uropathy, UPJ Obstruction, Urinary Tract Infection in Children, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Paddack is board certified in American Board Of Urology. Dr. Paddack is currently accepting new patients.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Modern Urology Colorado

    4943 Highway 52, Ste 180, 
    Frederick, CO 
     (9.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Carolyn Fronczak is a Urologist practicing medicine in Frederick, Colorado. Dr. Fronczak is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Frequent or Urgent Urination, Urinary Incontinence, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Ureteroscopy. Dr. Fronczak is board certified in Urology-American Board Of Urology (ABU). Dr. Fronczak is currently accepting new patients.

    Distinguished in UPJ Obstruction
    Distinguished in UPJ Obstruction

    Colorado Urology

    500 W 144th Ave Ste 220 Bldg 2, 
    Westminster, CO 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Kefer is a Urologist practicing medicine in Westminster, Colorado. Dr. Kefer is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Frequent or Urgent Urination, UPJ Obstruction, Obstructive Uropathy, Orchiectomy, and Ureteroscopy. Dr. Kefer is board certified in American Board Of Urology. Dr. Kefer is currently accepting new patients.

    Learn about our expert tiers
    Distinguished in UPJ Obstruction
    Distinguished in UPJ Obstruction

    Colorado Urology

    500 W 144th Ave Ste 220 Bldg 2, 
    Westminster, CO 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Ferrandino is a Urologist practicing medicine in Westminster, Colorado. Dr. Ferrandino is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 41 other conditions, according to our data. His clinical expertise encompasses Prostate Cancer, Familial Prostate Cancer, Ureterocele, Lithotripsy, and Ureteroscopy. Dr. Ferrandino is board certified in American Board Of Urology. Dr. Ferrandino is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Longmont Clinic Lab

    1925 Mountain View Ave, 
    Longmont, CO 
     (1.5 miles away)
    Languages Spoken:
    English

    Troy Malcom is a Urologist practicing medicine in Longmont, Colorado. Dr. Malcom is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses Urethral Stricture, Carbuncle, Boils, Ureteroscopy, and Reconstructive Urology Surgery.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Longmont Clinic Lab

    1925 Mountain View Ave, 
    Longmont, CO 
     (1.5 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Garrick Greear is a Urologist practicing medicine in Longmont, Colorado. He has been practicing medicine for over 10 years. Dr. Greear is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses Epididymitis, Erectile Dysfunction (ED), Testicular Torsion, Orchiectomy, and Ureteroscopy.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Longmont Clinic Lab

    1925 Mountain View Ave, 
    Longmont, CO 
     (1.5 miles away)
    Languages Spoken:
    English

    Mark Fisher is a Urologist practicing medicine in Longmont, Colorado. Dr. Fisher is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Retroperitoneal Fibrosis, Ureteroscopy, and Reconstructive Urology Surgery.

    Distinguished in UPJ Obstruction
    Distinguished in UPJ Obstruction

    Lafayette Pediatrics & Internal Medicine

    300 Exempla Cir Ste 250, 
    Lafayette, CO 
     (10.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Julio Chong is a Urologist practicing medicine in Lafayette, Colorado. Dr. Chong is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Renal Tubular Dysgenesis, Kidney Stones, Bladder Stones, Ureteroscopy, and Endoscopy. Dr. Chong is board certified in American Board Of Urology. Dr. Chong is currently accepting new patients.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Boulder Medical Center

    2750 Broadway St, Urology, 
    Boulder, CO 
     (13.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Stephen Siegel is a Urologist practicing medicine in Boulder, Colorado. Dr. Siegel is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Obstructive Uropathy, Familial Prostate Cancer, Prostate Cancer, and Ureteroscopy. Dr. Siegel is board certified in Urology-American Board Of Urology (ABU). Dr. Siegel is currently accepting new patients.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Colorado Urology

    4743 Arapahoe Ave Ste 104, 
    Boulder, CO 
     (14.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sameh Melouk is a Urologist practicing medicine in Boulder, Colorado. Dr. Melouk 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, Prostate Cancer, Familial Prostate Cancer, Ureteroscopy, and Prostatectomy. Dr. Melouk is board certified in American Board Of Urology. Dr. Melouk is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Colorado Urology

    4743 Arapahoe Ave Ste 104, 
    Boulder, CO 
     (14.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Madeline Koerner is a Urologist practicing medicine in Boulder, Colorado. Dr. Koerner is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Myotonia Congenita, Urinary Incontinence, Stress Urinary Incontinence, and Urinary Tract Infection in Children. Dr. Koerner is board certified in American Board Of Urology. Dr. Koerner is currently accepting new patients.

    Advanced in UPJ Obstruction
    Advanced in UPJ Obstruction

    Colorado Urology

    4743 Arapahoe Ave Ste 104, 
    Boulder, CO 
     (14.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    James Clark is a Urologist practicing medicine in Boulder, Colorado. Dr. Clark is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Prostate Cancer, Familial Prostate Cancer, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Clark is board certified in American Board Of Urology. Dr. Clark is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    SurgOne - Bladder Boutique

    200 Exempla Cir # 230, 
    Lafayette, CO 
     (10.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexandra Rogers is a Urologist practicing medicine in Lafayette, Colorado. Dr. Rogers is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Frequent or Urgent Urination, Urinary Incontinence, Interstitial Cystitis, Urinary Tract Infection in Children, and Ureteroscopy.

    Experienced in UPJ Obstruction
    Urology | General Surgery
    Experienced in UPJ Obstruction
    Urology | General Surgery

    Rock Creek Medical Offices

    280 Exempla Circle, 
    Lafayette, CO 
     (13.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Roy Lipworth is a General Surgeon and a Urologist practicing medicine in Lafayette, Colorado. Dr. Lipworth is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses Urothelial Cancer, Bladder Cancer, Muscle Invasive Bladder Cancer, and Non-Muscle Invasive Bladder Cancer. Dr. Lipworth is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Kaiser Permanente Rock Creek Medical Offices - Urology Department

    280 Exempla Cir, 
    Lafayette, CO 
     (13.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Kang is a Urologist practicing medicine in Lafayette, Colorado. Dr. Kang is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses Enlarged Prostate (BPH), Priapism, and UPJ Obstruction. Dr. Kang is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Kaiser Permanente Rock Creek Medical Offices - Urology Department

    280 Exempla Cir, 
    Lafayette, CO 
     (13.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Hyosang Chiang is a Urologist practicing medicine in Lafayette, Colorado. Dr. Chiang is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. His clinical expertise encompasses PIK3CA-Related Overgrowth Spectrum, UPJ Obstruction, and Enlarged Prostate (BPH). Dr. Chiang is currently accepting new patients.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Boulder-Foothills

    4745 Arapahoe Ave Ste 200, 
    Boulder, CO 
     (14.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Tomy Perez is a Urologist practicing medicine in Boulder, Colorado. Dr. Perez is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Urinary Tract Infection in Children, Boils, Ureteroscopy, and Prostatectomy.

    Experienced in UPJ Obstruction
    Experienced in UPJ Obstruction

    Wellness Center Of BCH

    5495 Arapahoe Ave Ste 200, 
    Boulder, CO 
     (14.6 miles away)
    Languages Spoken:
    English

    Maxx Gallegos is a Urologist practicing medicine in Boulder, Colorado. Dr. Gallegos is rated as an Experienced provider by MediFind in the treatment of UPJ Obstruction. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Urethral Stricture, Peyronie Disease, Neurogenic Bladder, Reconstructive Urology Surgery, and Ureteroscopy.

    Showing 1-18 of 18

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 

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