The 20 Best Testicular Failure Doctors Near Me in Littleton, CO

Find the Top Testicular Failure Experts and Specialists

Last Updated: 02/22/2026

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MediFind found 154 doctor with experience in Testicular Failure near Littleton, CO. Of these, 134 are Experienced, 18 are Advanced and 2 are Distinguished.

Location
LocationClose
154 providers found
    Advanced in Testicular Failure
    Advanced in Testicular Failure

    Urology Associates, PC

    799 E Hampden Ave, Ste 430, 
    Englewood, CO 
     (3.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brad Bell is a Urologist in Englewood, Colorado. Dr. Bell is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Enlarged Prostate (BPH), Familial Prostate Cancer, Prostate Cancer, Urinary Tract Infection in Children, and Ureteroscopy. Dr. Bell is currently accepting new patients.

    Elias I. Hsu
    Experienced in Testicular Failure
    Obstetrics and Gynecology | Urology
    Experienced in Testicular Failure
    Obstetrics and Gynecology | Urology

    AdventHealth Medical Group Urology At Denver

    950 East Harvard Avenue, Suite 350, 
    Denver, CO 
     (4.5 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Elias Hsu is a Urologist and an Obstetrics and Gynecologist in Denver, Colorado. Dr. Hsu has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Urinary Incontinence, Bilateral Hydronephrosis, Hydronephrosis, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Hsu is currently accepting new patients.

    Gerard S. Federico
    Experienced in Testicular Failure
    Internal Medicine
    Experienced in Testicular Failure
    Internal Medicine

    Belmar Clinic - Primary Care

    360 South Teller Street, Suite 200, 
    Lakewood, CO 
     (7.9 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    "Growing up in Fairfield, New Jersey, Dr. Gerard Federico always wanted to move west so he could participate in outdoor hobbies year round. He received his undergraduate degree in biology from Siena College in Loudonville, New York. He earned his Doctor of Osteopathic Medicine degree from the University of New England in Biddeford, Maine. Dr. Federico completed an internship in internal medicine with St. Elizabeth Medical Center in Boston, Massachusetts, and residency training in internal medicine with Stony Brook University Hospital in Stony Brook, New York.Board certified, Dr. Federico has practiced internal medicine in Colorado for the past 13 years. He is the Medical Director for the Cat-skiing operation Powder Addiction, in Empire, Colorado.An outdoor enthusiast, Dr. Federico, his wife (a pediatrician) and their two children spend all of their free time skiing, biking, camping and fishing.""I try to really listen to my patients and be attentive to what they are wanting/needing. I think it is important to take the time to address all or most of their concerns at each visit.""". Dr. Federico is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Pulmonary Embolism, Acquired Agranulocytosis, Familial Combined Hyperlipidemia, and Cirrhosis.

    Learn about our expert tiers
    Distinguished in Testicular Failure
    Distinguished in Testicular Failure

    Urology Associates, PC

    10450 Park Meadows Dr, Ste 202, 
    Lone Tree, CO 
     (9.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daniel Mazur is a Urologist in Lone Tree, Colorado. Dr. Mazur is rated as a Distinguished provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Peyronie Disease, Male Pseudohermaphroditism with Gynecomastia, Eunuchoidism Familial Hypogonadotropic, Ureteroscopy, and Vasectomy. Dr. Mazur is currently accepting new patients.

    Distinguished in Testicular Failure
    Distinguished in Testicular Failure

    Colorado Urology

    10535 Park Meadows Blvd Ste 102, 
    Lone Tree, CO 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jason Greenfield is a Urologist in Lone Tree, Colorado. Dr. Greenfield is rated as a Distinguished provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Peyronie Disease, Eunuchoidism Familial Hypogonadotropic, Male Pseudohermaphroditism with Gynecomastia, Testicular Failure, and Ureteroscopy. Dr. Greenfield is currently accepting new patients.

    Experienced in Testicular Failure
    Experienced in Testicular Failure

    Urology Associates, PC

    7720 S Broadway, Ste 500, 
    Littleton, CO 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jordan Alger is a Urologist in Littleton, Colorado. Dr. Alger is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Enlarged Prostate (BPH), Prostate Cancer, Familial Prostate Cancer, Reconstructive Urology Surgery, and Nephrectomy. Dr. Alger is currently accepting new patients.

    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology

    Denver Endocrinology Diabetes & Thyroid Center PC

    799 E Hampden Avenue, Suite 525, 
    Englewood, CO 
     (3.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Linda Buckley is an Endocrinologist in Englewood, Colorado. Dr. Buckley is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. Her top areas of expertise are Type 1 Diabetes (T1D), Obesity in Children, Hypothyroidism, and Hashimoto Thyroiditis.

    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology

    Denver Endocrinology Diabetes & Thyroid Center PC

    799 E Hampden Avenue, Suite 525, 
    Englewood, CO 
     (3.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lori Gerard is an Endocrinologist in Englewood, Colorado. Dr. Gerard is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. Her top areas of expertise are Type 1 Diabetes (T1D), Obesity in Children, Hypothyroidism, and Hashimoto Thyroiditis.

    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology

    Denver Endocrinology Diabetes & Thyroid Center

    799 E Hampden Ave Ste 525, 
    Englewood, CO 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kelsi Deaver is an Endocrinologist in Englewood, Colorado. Dr. Deaver is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. Her top areas of expertise are Obesity in Children, Hypothyroidism, Type 1 Diabetes (T1D), and Thyroid Storm.

    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology

    UCHealth Highlands Ranch Hospital

    1500 Park Central Dr, 
    Highlands Ranch, CO 
     (4.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Karin Hickey is an Endocrinologist in Highlands Ranch, Colorado. Dr. Hickey is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Melorheostosis, and Melorheostosis with Osteopoikilosis.

    Experienced in Testicular Failure
    Experienced in Testicular Failure

    AdventHealth Medical Group Urology At Denver

    950 East Harvard Avenue, Suite 350, 
    Denver, CO 
     (4.5 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Tillett is a Urologist in Denver, Colorado. Dr. Tillett has been practicing medicine for over 23 years and is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Neurogenic Bladder, Obstructive Uropathy, Bladder Stones, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Tillett is currently accepting new patients.

    David Sobel
    Advanced in Testicular Failure
    Advanced in Testicular Failure

    CU Medicine Urology - South Denver At Highlands Ranch Specialty Care Center

    1500 Park Central Drive, Suite 201 And Suite 301, 
    Highlands Ranch, CO 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Exceptional care starts with careful listening. As a physician, I understand that each patient is unique and deserves the commitment that I will provide individualized care with compassion, expertise, and respect. Dr. Sobel is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Eunuchoidism Familial Hypogonadotropic, Urinary Tract Infection in Children, Kidney Stones, Obstructive Uropathy, and Ureteroscopy.

    Advanced in Testicular Failure
    Internal Medicine
    Advanced in Testicular Failure
    Internal Medicine

    Optum Primary Care - Littleton

    8199 Southpark Ln Ste 100, 
    Littleton, CO 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Teng Chang is a primary care provider, practicing in Internal Medicine in Littleton, Colorado. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Vitamin B12 Deficiency, High Cholesterol, Myositis, and Macrophagic Myofasciitis. Dr. Chang is currently accepting new patients.

    Andy Fine
    Experienced in Testicular Failure
    Internal Medicine
    Experienced in Testicular Failure
    Internal Medicine

    Sunspectrum Rehabilitation Outpatient Of Littleton

    20 W Dry Creek Cir, 
    Littleton, CO 
     (2.5 miles away)
    Languages Spoken:
    English

    Andy Fine is a primary care provider, practicing in Internal Medicine in Littleton, Colorado. Dr. Fine is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Sitosterolemia, Type 2 Diabetes (T2D), Insomnia, and Hypothyroidism.

    Advanced in Testicular Failure
    Family Medicine
    Advanced in Testicular Failure
    Family Medicine

    Family Medicine Clinic

    6179 S Balsam Way Ste 110, 
    Littleton, CO 
     (4.0 miles away)
    Languages Spoken:
    English

    Steven Singer is a primary care provider, practicing in Family Medicine in Littleton, Colorado. Dr. Singer is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are High Cholesterol, Type 2 Diabetes (T2D), Osteomyelitis in Children, and Autoerythrocyte Sensitivity.

    Austin Derosa
    Experienced in Testicular Failure
    Urology | Oncology
    Experienced in Testicular Failure
    Urology | Oncology

    CU Medicine Urology - South Denver At Highlands Ranch Specialty Care Center

    1500 Park Central Drive, Suite 201 And Suite 301, 
    Highlands Ranch, CO 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Austin Derosa is an Oncologist and a Urologist in Highlands Ranch, Colorado. Dr. Derosa is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Kidney Stones, Boils, Urinary Tract Infection (UTI), Ureteroscopy, and Vasectomy.

    Kerri Thurmon
    Experienced in Testicular Failure
    Experienced in Testicular Failure

    CU Medicine Urology - South Denver At Highlands Ranch Specialty Care Center

    1500 Park Central Drive, Suite 201 And Suite 301, 
    Highlands Ranch, CO 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kerri Thurmon is a Urologist in Highlands Ranch, Colorado. Dr. Thurmon is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. Her top areas of expertise are Enlarged Prostate (BPH), Urinary Incontinence, Urinary Tract Infection in Children, Prostatectomy, and Ureteroscopy.

    Marklyn Jones
    Experienced in Testicular Failure
    Urology | Oncology
    Experienced in Testicular Failure
    Urology | Oncology

    CU Medicine Urology And Urologic Oncology - South Denver At Highlands Ranch Specialty Care Center

    1500 Park Central Drive, Suite 201 And Suite 301, 
    Highlands Ranch, CO 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Marklyn Jones is an Oncologist and a Urologist in Highlands Ranch, Colorado. Dr. Jones is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are WT1-Related Wilms Tumor Syndromes, Chromophobe Renal Cell Carcinoma, Clear Cell Sarcoma, Reconstructive Urology Surgery, and Nephrectomy.

    Advanced in Testicular Failure
    Family Medicine
    Advanced in Testicular Failure
    Family Medicine

    Aspen Family Care

    9331 S. Colorado Blvd. Suite 200, 
    Highlands Ranch, CO 
     (5.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Matthew Claussen is a primary care provider, practicing in Family Medicine in Highlands Ranch, Colorado. Dr. Claussen is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Generalized Anxiety Disorder (GAD), Insomnia, Erectile Dysfunction (ED), and Persistent Genital Arousal Disorder. Dr. Claussen is currently accepting new patients.

    Advanced in Testicular Failure
    Advanced in Testicular Failure

    Urology Associates, PC

    10450 Park Meadows Dr, Ste 202, 
    Lone Tree, CO 
     (9.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    James Fagelson is a Urologist in Lone Tree, Colorado. Dr. Fagelson is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Enlarged Prostate (BPH), Nephrectomy, and Reconstructive Urology Surgery. Dr. Fagelson is currently accepting new patients.

    Showing 1-20 of 154

    Last Updated: 02/22/2026

    What is the definition of Testicular Failure?

    Male hypogonadism occurs when the testicles cannot produce or produce less sperm or male hormones, such as testosterone.

    When should I see a Testicular Failure doctor near Littleton, 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 a Testicular Failure doctor near Littleton, 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 Testicular Failure doctors near Littleton, 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 Testicular Failure doctors near Littleton, 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 a Testicular Failure doctor near Littleton, 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 Testicular Failure doctor search results page. 

    Why is it important to get a second opinion from a different Testicular Failure 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 Testicular Failure doctor near Littleton, 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 Testicular Failure 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 Testicular Failure 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 Testicular Failure doctors near Littleton, CO?

    Look for the filter feature on the left side of the Testicular Failure 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 Testicular Failure doctor that offers video calls?

    Look for the filter feature on the left-side of the Testicular Failure 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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