The 20 Best Testicular Failure Doctors Near Me in Fullerton, CA

Find the Top Testicular Failure Experts and Specialists

The 20 Best Testicular Failure Doctors near Fullerton, CA

Last Updated: 02/22/2026

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MediFind found 128 doctor with experience in Testicular Failure near Fullerton, CA. Of these, 115 are Experienced, 12 are Advanced and 1 are Distinguished.

Location
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128 providers found
    Advanced in Testicular Failure
    Endocrinology
    Advanced in Testicular Failure
    Endocrinology
    100 East Valencia Mesa Drive, Suite 105, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Gilbert is an Endocrinologist in Fullerton, California. Dr. Gilbert is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Type 2 Diabetes (T2D), Hashimoto Thyroiditis, Thyroid Nodule, and Obesity in Children. Dr. Gilbert is currently accepting new patients.

    Distinguished in Testicular Failure
    Distinguished in Testicular Failure

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Faysal Yafi is a Urologist in Orange, California. Dr. Yafi is rated as a Distinguished provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Peyronie Disease, Erectile Dysfunction (ED), Priapism, Hormone Replacement Therapy (HRT), and Aquablation.

    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology
    100 East Valencia Mesa Drive, Suite 105, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jason Ling is an Endocrinologist in Fullerton, California. Dr. Ling is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Type 2 Diabetes (T2D), and Osteopenia. Dr. Ling is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Testicular Failure
    Experienced in Testicular Failure
    1915 Sunny Crest Drive, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ali Alavi is a Urologist in Fullerton, California. Dr. Alavi is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Boils, Kidney Stones, Familial Prostate Cancer, Prostate Cancer, and Ureteroscopy. Dr. Alavi is currently accepting new patients.

    Experienced in Testicular Failure
    Experienced in Testicular Failure
    1400 North Harbor Boulevard, Suite 300, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Gazzaniga is a Urologist in Fullerton, California. Dr. Gazzaniga is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Urinary Tract Infection in Children, Kidney Stones, and Ureteroscopy. Dr. Gazzaniga is currently accepting new patients.

    Experienced in Testicular Failure
    Experienced in Testicular Failure
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (2.2 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    Eric Tygenhof is a Urologist in Fullerton, California. Dr. Tygenhof has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Kidney Stones, Boils, Enlarged Prostate (BPH), Ureteroscopy, and Reconstructive Urology Surgery. Dr. Tygenhof is currently accepting new patients.

    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology

    Office

    100 E Valencia Mesa Dr Ste 105, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English

    Serhat Aytug is an Endocrinologist in Fullerton, California. Dr. Aytug is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Pituitary Tumor, Type 2 Diabetes (T2D), Thyroid Nodule, and Prolactinoma.

    Advanced in Testicular Failure
    Endocrinology | Internal Medicine
    Advanced in Testicular Failure
    Endocrinology | Internal Medicine

    Aleem A Syed MD A Prof Corp

    1211 W La Palma Ave, 
    Anaheim, CA 
     (1.7 miles away)
    Experience:
    48+ years
    Languages Spoken:
    English
    Offers Telehealth

    Aleem Syed is an Internal Medicine specialist and an Endocrinologist in Anaheim, California. Dr. Syed has been practicing medicine for over 48 years and is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Type 2 Diabetes (T2D), Hypothyroidism, Type 1 Diabetes (T1D), and Obesity in Children.

    Raphael A. Argueta
    Experienced in Testicular Failure
    Family Medicine
    Experienced in Testicular Failure
    Family Medicine
    2406 Torrance Boulevard, 
    Torrance, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    We Care About You!. Dr. Argueta is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are High Cholesterol, Vitamin D Deficiency, Tracheitis, and Asthma in Children.

    Advanced in Testicular Failure
    Advanced in Testicular Failure

    Kaiser Permanente Anaheim Kraemer Medical Offices

    3430 E La Palma Ave, 
    Anaheim, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Raul Clavijo is a Urologist in Anaheim, California. Dr. Clavijo is rated as an Advanced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Peyronie Disease, Erectile Dysfunction (ED), Eunuchoidism Familial Hypogonadotropic, Ureteroscopy, and Orchiectomy. Dr. Clavijo is currently accepting new patients.

    Michael Tran
    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology

    Southern California Endocrine Medical Group PMC

    1310 W Stewart Dr Ste 215, 
    Orange, CA 
     (7.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Tran is an Endocrinologist in Orange, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Type 2 Diabetes (T2D), Thyroid Storm, Diabetic Nephropathy, and Hyperthyroidism.

    Advanced in Testicular Failure
    Advanced in Testicular Failure
    1801 North Broadway, 
    Santa Ana, CA 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brian Norouzi is a Urologist in Santa Ana, California. Dr. Norouzi is rated as an Advanced 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. Norouzi is currently accepting new patients.

    Vera A. Trofimenko
    Experienced in Testicular Failure
    Experienced in Testicular Failure
    1801 North Broadway, 
    Santa Ana, CA 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Vera Trofimenko is a Urologist in Santa Ana, California. Dr. Trofimenko is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. Her top areas of expertise are Persistent Genital Arousal Disorder, Vulvovaginitis, Urinary Incontinence, and Pelvic Inflammatory Disease. Dr. Trofimenko is currently accepting new patients.

    Experienced in Testicular Failure
    Experienced in Testicular Failure

    Advanced Urology Medical Center

    1211 W La Palma Ave, 
    Anaheim, CA 
     (1.7 miles away)
    Experience:
    51+ years
    Languages Spoken:
    English

    Mohammad Faysal is a Urologist in Anaheim, California. Dr. Faysal has been practicing medicine for over 51 years and is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Hydrocele, Ureteroscopy, and Reconstructive Urology Surgery.

    Experienced in Testicular Failure
    Internal Medicine
    Experienced in Testicular Failure
    Internal Medicine
    2141 North Harbor Boulevard, Suite 25000, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ruben Cabral is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Cabral is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Type 2 Diabetes (T2D). Dr. Cabral is currently accepting new patients.

    Experienced in Testicular Failure
    Internal Medicine
    Experienced in Testicular Failure
    Internal Medicine

    Office

    710 S Brookhurst St, 
    Anaheim, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Mosen Defrawy is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Defrawy is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Vitamin D Deficiency, Familial Hypertriglyceridemia, High Cholesterol, and Obesity in Children.

    Experienced in Testicular Failure
    Internal Medicine
    Experienced in Testicular Failure
    Internal Medicine

    Yorba Linda Medical Center

    1041 E Yorba Linda Blvd Ste 209, 
    Placentia, CA 
     (4.1 miles away)
    Languages Spoken:
    English

    Jason Kurtz is a primary care provider, practicing in Internal Medicine in Placentia, California. Dr. Kurtz is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Obesity, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

    Experienced in Testicular Failure
    Experienced in Testicular Failure

    Sun Kim Medical Corporation

    5832 Beach Blvd, 
    Buena Park, CA 
     (4.2 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English

    Sun Kim is a Urologist in Buena Park, California. Dr. Kim has been practicing medicine for over 30 years and 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, Ureteroscopy, and Reconstructive Urology Surgery.

    Experienced in Testicular Failure
    Family Medicine
    Experienced in Testicular Failure
    Family Medicine
    2864 East Imperial Highway, Brea, 
    Anchorage, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    A Parsa is a primary care provider, practicing in Family Medicine in Anchorage, California. Dr. Parsa is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Varicose Veins. Dr. Parsa is currently accepting new patients.

    Experienced in Testicular Failure
    Endocrinology
    Experienced in Testicular Failure
    Endocrinology
    4300 Rose Drive, Suite G, 
    Yorba Linda, CA 
     (5.2 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Becky Muldoon is an Endocrinologist in Yorba Linda, California. Dr. Muldoon has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Testicular Failure. Her top areas of expertise are Type 2 Diabetes (T2D), Thyroid Nodule, Hypothyroidism, and Hashimoto Thyroiditis. Dr. Muldoon is currently accepting new patients.

    Showing 1-20 of 128

    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 Fullerton, 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 Testicular Failure doctor near Fullerton, 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 Testicular Failure doctors near Fullerton, 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 Testicular Failure doctors near Fullerton, 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 Testicular Failure doctor near Fullerton, 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 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 Fullerton, 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 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 Fullerton, CA?

    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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