The 20 Best Klinefelter Syndrome Doctors Near Me in District of Columbia, US

Find the Top Klinefelter Syndrome Experts and Specialists

Last Updated: 06/30/2026

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MediFind found 7 doctor with experience in Klinefelter Syndrome near District of Columbia, US. Of these, 6 are Experienced and 1 are Elite.

Location
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7 providers found
    Elite in Klinefelter Syndrome
    Elite in Klinefelter Syndrome
    Referral may be required

    Children's National Hospital

    111 Michigan Ave NW, 
    Washington, DC 
    Languages Spoken:
    English

    Andrea Gropman is a Pediatrics provider practicing medicine in Washington, Washington, D.c.. Dr. Gropman is rated as an Elite provider by MediFind in the treatment of Klinefelter Syndrome. She is also highly rated in 37 other conditions, according to our data. Her clinical expertise encompasses Klinefelter Syndrome, Urea Cycle Disorders (UCD), MELAS Syndrome, Ornithine Transcarbamylase Deficiency, and Hormone Replacement Therapy (HRT).

    Experienced in Klinefelter Syndrome
    Endocrinology
    Experienced in Klinefelter Syndrome
    Endocrinology
    Referral required

    Sibley Memorial Hospital

    5255 Loughboro Road Northwest, 
    Washington, DC 
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Milay Lam is an Endocrinologist practicing medicine in Washington, Washington, D.c.. Dr. Lam is rated as an Experienced provider by MediFind in the treatment of Klinefelter Syndrome. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Type 1 Diabetes (T1D), and Thyroid Storm. Dr. Lam is board certified in American Board Of Obesity Medicine and American Board Of Internal Medicine.

    Experienced in Klinefelter Syndrome
    Pediatric Endocrinology
    Experienced in Klinefelter Syndrome
    Pediatric Endocrinology
    Referral may be required

    Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc

    700 2nd St Ne, 
    Washington, DC 
    Languages Spoken:
    English
    Offers Telehealth

    Katherine Stanley is a Pediatric Endocrinologist practicing medicine in Washington, Washington, D.c.. Dr. Stanley is rated as an Experienced provider by MediFind in the treatment of Klinefelter Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Type 1 Diabetes (T1D), Precocious Puberty, Short Stature (Growth Disorders), and Idiopathic Short Stature (ISS).

    Learn about our expert tiers
    Experienced in Klinefelter Syndrome
    Experienced in Klinefelter Syndrome
    Referral may be required

    Main Hospital-Prenatal Pediatrics Institute

    111 Michigan Avenue Northwest, 
    Washington, DC 
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Tucker L.C. Pyle, MD, PhD, MSTR, is a clinical geneticist and physician scientist specializing in genetics of genitourinary (GU) differences and cancer. They completed their pediatrics and medical genetics training at the Children's Hospital of Philadelphia (CHOP) in 2016. Dr. Pyle’s clinical focus is diagnostic evaluation and care for individuals with intersex traits and variations of sexual characteristics (also sometimes called differences of sex development). They founded the medical clinical for I/VSC at CHOP in 2016, and now directs the Children's National PROUD Clinic for people with I/VSCs. Dr. Pyle focuses on multidisciplinary integration, molecular diagnosis and cancer predisposition counseling for patients and their families. Dr. Pyle is also a specialist in X and Y chromosomes, and sees people clinically with these differences, including in the Prenatal Pediatrics Institute and the Turner Syndrome Program. Dr. Pyle also directs the Children's National Klinefelter (XXY) Program and the GoRAD Laboratory. Dr. Pyle’s research applies genomics and human models to understand vulnerability to infertility and germ cell tumor (GCT). They have identified and characterized clinical risk factors that predispose people to GCT by learning from and studying individuals diagnosed with this malignancy, as well as patients carrying a diagnosis of I/VSC. Dr. Pyle’s goal is to supply new tools that will facilitate improved care for people with I/VSC's. Publications ORCiD. Dr. Pyle is rated as an Experienced provider by MediFind in the treatment of Klinefelter Syndrome. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Intersex, CHARGE Syndrome, Penis Agenesis, and Mosaicism. Dr. Pyle is board certified in Pediatrics: American Board Of Pediatrics, 2021 and Clinical Genetics (MD): American Board Of Medical Genetics And Genomics, 2021.

    Experienced in Klinefelter Syndrome
    Experienced in Klinefelter Syndrome
    Referral may be required

    Rare Disease Institute

    7125 13th Place Northwest, 
    Washington, DC 
    Experience:
    22+ years
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Eyby Leon Janampa, MD, graduated from medical school in Lima-Peru in 2005. She finished her medical genetics training at the University of Utah in 2011 and joined Children’s National Hospital the same year. Her clinical interests include disorders of sexual differentiation and dysmorphic syndromes, and she has published extensively on improving clinical descriptions of rare and new genetic conditions. She is one of the founding members of the Rare Disease Institute at Children’s National and teaches medical students on topics related to rare disease diagnosis and care. Dr. Leon advocates for a multidisciplinary approach to common genetic syndromes and is a founding member of various multidisciplinary clinic teams at Children’s National. Dr. Janampa is rated as an Experienced provider by MediFind in the treatment of Klinefelter Syndrome. Her clinical expertise encompasses Turner Syndrome, Mixed Gonadal Dysgenesis, Maple Syrup Urine Disease, and Klinefelter Syndrome. Dr. Janampa is board certified in American Board Of Medical Genetics And Genomics, 2024, Clinical Biochemical Genetics: American Board Of Medical Genetics And Genomics, 2024, and American Board Of Medical Genetics And Genomics, 2013.

    Experienced in Klinefelter Syndrome
    Oncology | Pediatric Endocrinology
    Experienced in Klinefelter Syndrome
    Oncology | Pediatric Endocrinology
    Referral may be required

    Main Hospital-Diabetes Complex Clinic

    111 Michigan Avenue Northwest, 
    Washington, DC 
    Experience:
    33+ years
    Languages Spoken:
    English, Hindi, Tamil
    Offers Telehealth

    Priya Vaidyanathan, MD, is a board-certified pediatric endocrinologist who has been on the staff of the Children's National Hospital since December 2005 soon after completing her pediatric endocrinology fellowship. She provides clinical care to patients with diverse endocrine needs, and her research interest is in the field of thyroid disorders. Dr. Vaidyanathan is rated as an Experienced provider by MediFind in the treatment of Klinefelter Syndrome. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Short Stature (Growth Disorders), Type 1 Diabetes (T1D), Diabetes Insipidus (DI), and Neurohypophyseal Diabetes Insipidus. Dr. Vaidyanathan is board certified in Pediatric Endocrinology: American Board Of Pediatrics, 2007 and Pediatrics: American Board Of Pediatrics, 2002.

    Experienced in Klinefelter Syndrome
    Experienced in Klinefelter Syndrome
    Referral may be required

    Office

    6900 Georgia Ave, 
    Washington, DC 
    Languages Spoken:
    English

    Dorota Hawksworth is a Urologist practicing medicine in Washington, Washington, D.c.. Dr. Hawksworth is rated as an Experienced provider by MediFind in the treatment of Klinefelter Syndrome. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Peyronie Disease, Erectile Dysfunction (ED), Hypogonadism, Vasectomy, and Bladder Reconstruction.

    Showing 1-7 of 7

    Last Updated: 06/30/2026

    What is the definition of Klinefelter Syndrome?

    Klinefelter syndrome, also called 47,XXY, is a genetic condition that occurs in males when they have an extra X chromosome. This can cause problems with development and fertility. Some men have no symptoms and never know they have it.

    When should I see a Klinefelter Syndrome doctor in District of Columbia, US?

    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 Klinefelter Syndrome doctor in District of Columbia, US?

    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 Klinefelter Syndrome doctors in District of Columbia, US?

    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 Klinefelter Syndrome doctors in District of Columbia, US?

    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 Klinefelter Syndrome doctor in District of Columbia, US?

    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 Klinefelter Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Klinefelter Syndrome 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 Klinefelter Syndrome doctor in District of Columbia, US?

    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 Klinefelter Syndrome 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 Klinefelter Syndrome 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 Klinefelter Syndrome doctors in District of Columbia, US?

    Look for the filter feature on the left side of the Klinefelter Syndrome 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 Klinefelter Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the Klinefelter Syndrome 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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