The 20 Best Chromosome 21q Deletion Doctors Near Me

Find the Top Chromosome 21q Deletion Experts and Specialists

The 20 Best Chromosome 21q Deletion Doctors Near Me

Last Updated: 02/22/2026

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MediFind found 243 doctor with experience in Chromosome 21q Deletion. Of these, 120 are Advanced, 115 are Experienced, 7 are Distinguished and 1 are Elite.

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243 providers found
    Elite in Chromosome 21q Deletion
    Elite in Chromosome 21q Deletion
    92, Chung Shan North Road, 
    TPQ, TW 

    Chih-ping Chen practices in Taiwan. Chen is rated as an Elite expert by MediFind in the treatment of Chromosome 21q Deletion. Their top areas of expertise are Trisomy 14 Mosaicism, Trisomy 18, Hygroma Cervical, and Mosaicism.

    Advanced in Chromosome 21q Deletion
    Advanced in Chromosome 21q Deletion

    ETSU Physicians & Associates- Pediatrics

    325 N State Of Franklin Rd, 
    Johnson City, TN 
    Languages Spoken:
    English

    . Dr. Russi is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. His top areas of expertise are Increased Head Circumference, Ehlers-Danlos Syndrome (EDS), Chromosome 8p Deletion, and Chromosome 6q Duplication.

    Advanced in Chromosome 21q Deletion
    Advanced in Chromosome 21q Deletion

    St. Christopher's Pediatric Associates Genetics - E. Erie Avenue

    160 E Erie Ave, 
    Philadelphia, PA 
    Languages Spoken:
    English

    . Dr. Narumanchi is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. His top areas of expertise are Urea Cycle Disorders (UCD), Phenylketonuria (PKU), Dihydropteridine Reductase Deficiency, and Maternal Hyperphenylalaninemia.

    Learn about our expert tiers
    Antonio Pellicer
    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Avda Fernando Abril Martorell 106, CP 46026, 
    Valencia, VC, ES 

    Antonio Pellicer practices in Valencia, Spain. Mr. Pellicer is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. His top areas of expertise are Infertility, Asherman Syndrome, Adenomyosis, Hormone Replacement Therapy (HRT), and Oophorectomy.

    Erica Fernandes
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    26901 76th Avenue, 
    New Hyde Park, NY 
    Languages Spoken:
    English

    Erica Fernandes is a Medical Genetics specialist and a Pediatrics provider in New Hyde Park, New York. Dr. Fernandes is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. Her top areas of expertise are Microcephaly, Chromosome 13q Deletion, Bowen-Conradi Syndrome, and Floating-Harbor Syndrome.

    Paul R. Mark
    Advanced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics
    Advanced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics

    Corewell Health Grand Rapids Hospitals Medical Genetics - 25 Michigan St NE

    25 Michigan Street Northeast, Suite 2100, 
    Grand Rapids, MI 
    Experience:
    35+ years
    Languages Spoken:
    English

    Paul Mark is a Pediatrics specialist and a Medical Genetics provider in Grand Rapids, Michigan. Dr. Mark has been practicing medicine for over 35 years and is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. His top areas of expertise are VACTERL Association, Peters Plus Syndrome, Chromosome 21q Deletion, and Hypotonia.

    Experienced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Experienced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics

    St. Christopher's Pediatric Associates Genetics - E. Erie Avenue

    160 E Erie Ave, 
    Philadelphia, PA 
    Languages Spoken:
    English

    . Dr. Melnyk is rated as an Experienced provider by MediFind in the treatment of Chromosome 21q Deletion. His top areas of expertise are Ehlers-Danlos Syndrome (EDS), Musculocontractural Ehlers-Danlos Syndrome (mcEDS), Jacobsen Syndrome, and Chromosome 6q Deletion.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    TPQ, TW 

    Schu-rern Chern practices in Taiwan. Chern is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. Their top areas of expertise are 3p Deletion Syndrome, Mosaic Trisomy 9, Mosaicism, and Trisomy 12 Mosaicism.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    TPQ, TW 

    Wayseen Wang practices in Taiwan. Wang is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. Their top areas of expertise are Trisomy 14 Mosaicism, Trisomy 12 Mosaicism, Mosaic Trisomy 9, and Kozlowski Warren Fisher Syndrome.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    TPQ, TW 

    Shin-wen Chen practices in Taiwan. Chen is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. Their top areas of expertise are Mosaicism, Cavernous Lymphangioma, Chromosome 22 Duplication, and Cystic Hygroma.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    TPQ, TW 

    Fang-tzu Wu practices in Taiwan. Wu is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. Their top areas of expertise are Mosaicism, Trisomy 18, Chromosome 20 Trisomy, and Trisomy 12 Mosaicism.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    TPQ, TW 

    Peih-shan Wu practices in Taiwan. Wu is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. Their top areas of expertise are Mosaicism, Chromosome 16 Trisomy, Chromosome 9p Deletion, and 15q11.2 Microdeletion.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    No. 92, Zhong Shan North Road, 
    TPQ, TW 

    Liang-kai Wang practices in Taiwan. Wang is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. Their top areas of expertise are Mosaicism, Chromosome 21q Deletion, Cat Eye Syndrome, and Cri-Du-Chat Syndrome.

    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics

    UT Southwestern - Pediatrics

    5323 Harry Hines Blvd, 
    Dallas, TX 
    Languages Spoken:
    English, Spanish

    Luis Umana is a Medical Genetics specialist and a Pediatrics provider in Dallas, Texas. Dr. Umana is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. His top areas of expertise are Classic Galactosemia, Very Long-Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency, Biotinidase Deficiency, and Argininosuccinic Aciduria.

    Advanced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics
    Advanced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics

    UT Southwestern - Pediatric Genetics

    1935 Medical District Dr, 
    Dallas, TX 
    Languages Spoken:
    English

    Angela Scheuerle is a Pediatrics specialist and a Medical Genetics provider in Dallas, Texas. Dr. Scheuerle is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. Her top areas of expertise are Hennekam Syndrome, Fetal Akinesia Sequence, Hemihyperplasia, and Incontinentia Pigmenti.

    Advanced in Chromosome 21q Deletion
    Medical Genetics
    Advanced in Chromosome 21q Deletion
    Medical Genetics
    25 N Winfield Rd Ste 419, 
    Winfield, IL 
    Experience:
    35+ years
    Languages Spoken:
    English
    Offers Telehealth

    Carolyn Jones is a Medical Genetics provider in Winfield, Illinois. Dr. Jones has been practicing medicine for over 35 years and is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. Her top areas of expertise are Fabry Disease, Megalencephalic Leukoencephalopathy with Subcortical Cysts, Multiple Sulfatase Deficiency, and Pompe Disease.

    Linda Z. Rossetti
    Experienced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics
    Experienced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics

    Corewell Health Grand Rapids Hospitals Medical Genetics - 25 Michigan St NE

    25 Michigan Street Northeast, Suite 2100, 
    Grand Rapids, MI 
    Experience:
    10+ years
    Languages Spoken:
    English, Spanish

    Linda Rossetti is a Pediatrics specialist and a Medical Genetics provider in Grand Rapids, Michigan. Dr. Rossetti has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Chromosome 21q Deletion. Her top areas of expertise are Smith-Magenis Syndrome, Miller-Dieker Syndrome, Chromosome 6q Duplication, and Chromosome 8p Deletion.

    Peter Hulick
    Experienced in Chromosome 21q Deletion
    Medical Genetics | Cardiology | Neuromusculoskeletal Medicine
    Experienced in Chromosome 21q Deletion
    Medical Genetics | Cardiology | Neuromusculoskeletal Medicine

    Endeavor Health Medical Group

    1000 Central St., Suite 610, 
    Evanston, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Peter Hulick, MD, a clinical geneticist and chair of personalized medicine at Endeavor Health, helps patients understand how genomic information can inform care and improve health outcomes. With a career rooted in genetics since high school, he works to integrate genomic data into everyday decision-making for patients and clinicians. Dr. Hulick focuses on risk assessment, early detection and treatment guidance by combining science, patient context and team collaboration. He also leads efforts to make genomic care more accessible across the health system. Dr. Hulick is rated as an Experienced provider by MediFind in the treatment of Chromosome 21q Deletion. His top areas of expertise are Ehlers-Danlos Syndrome (EDS), Ring Chromosome 12, Retinopathy Pigmentary Mental Retardation, and BRCA Positive Breast Cancer.

    Theresa A. Grebe
    Experienced in Chromosome 21q Deletion
    Experienced in Chromosome 21q Deletion

    Phoenix Children's Hospital - Genetics

    1919 E Thomas Rd, 
    Phoenix, AZ 
    Languages Spoken:
    English
    Accepting New Patients

    Theresa Grebe is a Pediatrics provider in Phoenix, Arizona. Dr. Grebe is rated as an Experienced provider by MediFind in the treatment of Chromosome 21q Deletion. Her top areas of expertise are Chromosome 6 Uniparental Disomy, Temple Syndrome, Hypotonia, and Congenital Bowing of Long Bones. Dr. Grebe is currently accepting new patients.

    Jessica R. Priestley
    Experienced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics
    Experienced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics

    Corewell Health Grand Rapids Hospitals Biochemical Genetics - 25 Michigan St NE

    25 Michigan Street Northeast, Suite 2100, 
    Grand Rapids, MI 
    Experience:
    8+ years
    Languages Spoken:
    English

    Jessica Priestley is a Pediatrics specialist and a Medical Genetics provider in Grand Rapids, Michigan. Dr. Priestley has been practicing medicine for over 8 years and is rated as an Experienced provider by MediFind in the treatment of Chromosome 21q Deletion. Her top areas of expertise are Fabry Disease, Biotinidase Deficiency, Ornithine Transcarbamylase Deficiency, and Megalencephalic Leukoencephalopathy with Subcortical Cysts.

    Showing 1-20 of 243

    Last Updated: 02/22/2026

    What is the definition of Chromosome 21q Deletion?

    Chromosome 21q deletion is a chromosome abnormality that occurs when there is a missing copy of the genetic material located on the long arm (q) of chromosome 21. The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved. Features that often occur in people with Chromosome 21q deletion include developmental delay, intellectual disability, behavioral problems, and distinctive facial features. Most cases are not inherited, but people can pass the deletion on to their children.

    When should I see a Chromosome 21q Deletion doctor near me?

    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 Chromosome 21q Deletion doctor near me?

    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 Chromosome 21q Deletion doctors near me?

    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 Chromosome 21q Deletion doctors near me?

    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 Chromosome 21q Deletion doctor near me?

    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 Chromosome 21q Deletion doctor search results page. 

    Why is it important to get a second opinion from a different Chromosome 21q Deletion 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 Chromosome 21q Deletion doctor near me?

    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 Chromosome 21q Deletion 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 Chromosome 21q Deletion 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 Chromosome 21q Deletion doctors near me?

    Look for the filter feature on the left side of the Chromosome 21q Deletion 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 Chromosome 21q Deletion doctor that offers video calls?

    Look for the filter feature on the left-side of the Chromosome 21q Deletion 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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