The 20 Best Chromosome 21q Deletion Doctors Near Me

Find the Top Chromosome 21q Deletion Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 239 doctor with experience in Chromosome 21q Deletion. Of these, 119 are Experienced, 110 are Advanced and 10 are Distinguished.

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239 providers found
    Advanced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics
    Advanced in Chromosome 21q Deletion
    Pediatrics | Medical Genetics
    Referral may be required

    Corewell Health Grand Rapids Hospitals Cancer Genetics - Lemmen-Holton

    145 Michigan Street Northeast, Suite 6300, 
    Grand Rapids, MI 
    Languages Spoken:
    English
    Accepting New Patients

    Paul Mark is a Pediatrics specialist and a Medical Genetics provider practicing medicine in Grand Rapids, Michigan. Dr. Mark is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses VACTERL Association, Chromosome 21q Deletion, Peters Plus Syndrome, and Hypotonia. Dr. Mark is board certified in American Board Of Medical Genetics And Genomics. Dr. Mark is currently accepting new patients.

    Advanced in Chromosome 21q Deletion
    Advanced in Chromosome 21q Deletion
    Referral may be required

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

    160 E Erie Ave, 
    Philadelphia, PA 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Tarachandra Narumanchi is a Medical Genetics provider practicing medicine in Philadelphia, Pennsylvania. Dr. Narumanchi is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Urea Cycle Disorders (UCD), Phenylketonuria (PKU), Maternal Hyperphenylalaninemia, and Dihydropteridine Reductase Deficiency. Dr. Narumanchi is board certified in American Board Of Medical Genetics And Genomics. Dr. Narumanchi is currently accepting new patients.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    Avda Fernando Abril Martorell 106, CP 46026, 
    Valencia, VC, ES 

    Antonio Pellicer practices practicing medicine in Valencia, Spain. Mr. Pellicer is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Infertility, Adenomyosis, Asherman Syndrome, Hormone Replacement Therapy (HRT), and Oophorectomy.

    Learn about our expert tiers
    Experienced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Experienced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Referral may be required

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

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

    Andrew Melnyk is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Philadelphia, Pennsylvania. Dr. Melnyk is rated as an Experienced provider by MediFind in the treatment of Chromosome 21q Deletion. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Ehlers-Danlos Syndrome (EDS), Musculocontractural Ehlers-Danlos Syndrome (mcEDS), Chromosome 15q Deletion, and 3p Deletion Syndrome. Dr. Melnyk is board certified in American Board Of Medical Genetics And Genomics and American Board Of Pediatrics.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    92, Chung Shan North Road, 
    TPQ, TW 

    Chih-ping Chen practices practicing medicine in Taiwan. Chen is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 124 other conditions, according to our data. Their clinical expertise encompasses Trisomy 14 Mosaicism, Mosaicism, Trisomy 2 Mosaicism, and Chromosome 13q Duplication.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    TPQ, TW 

    Schu-rern Chern practices practicing medicine in Taiwan. Chern is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 64 other conditions, according to our data. Their clinical expertise encompasses Mosaicism, Trisomy 12 Mosaicism, Mosaic Trisomy 9, and Trisomy 18.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    TPQ, TW 

    Fang-tzu Wu practices practicing medicine in Taiwan. Wu is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 40 other conditions, according to our data. Their clinical expertise encompasses Mosaicism, Trisomy 18, Chromosome 20 Trisomy, and Trisomy 12 Mosaicism.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    TPQ, TW 

    Peih-shan Wu practices practicing medicine in Taiwan. Wu is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 56 other conditions, according to our data. Their clinical expertise encompasses Mosaicism, Chromosome 16 Trisomy, Trisomy 12 Mosaicism, and 15q11.2 Microdeletion.

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

    Liang-kai Wang practices practicing medicine in Taiwan. Wang is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 13 other conditions, according to our data. Their clinical expertise encompasses Mosaicism, Chromosome 21q Deletion, Trisomy 12 Mosaicism, and Cat Eye Syndrome.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    TPQ, TW 

    Shin-wen Chen practices practicing medicine in Taiwan. Chen is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 50 other conditions, according to our data. Their clinical expertise encompasses Mosaicism, Chromosome 22 Duplication, Cystic Hygroma, and Hygroma Cervical.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    TPQ, TW 

    Wayseen Wang practices practicing medicine in Taiwan. Wang is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 81 other conditions, according to our data. Their clinical expertise encompasses Trisomy 14 Mosaicism, Chromosome 9p Deletion, Kozlowski Warren Fisher Syndrome, and Trisomy 12 Mosaicism.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    Tessália Vieira De Camargo Street, 126, 
    Campinas, SP, BR 

    Vera Lopes-Silva practices practicing medicine in Campinas, Brazil. Ms. Lopes-Silva is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Chromosome 21q Deletion, Hypoparathyroidism, DiGeorge Syndrome, and Immune Defect due to Absence of Thymus.

    Distinguished in Chromosome 21q Deletion
    Distinguished in Chromosome 21q Deletion
    Referral may be required
    Tessália Vieira De Camargo Street, 126, 
    Campinas, SP, BR 

    Tarsis Vieira practices practicing medicine in Campinas, Brazil. Vieira is rated as a Distinguished expert by MediFind in the treatment of Chromosome 21q Deletion. They are also highly rated in 16 other conditions, according to our data. Their clinical expertise encompasses Chromosome 21q Deletion, DiGeorge Syndrome, Hypoparathyroidism, and 46XX Testicular Disorder of Sex Development.

    Advanced in Chromosome 21q Deletion
    Medical Genetics
    Advanced in Chromosome 21q Deletion
    Medical Genetics
    Referral may be required

    Nemours Children's Health, Lake Nona Boulevard

    6718 Lake Nona Blvd., Suite 280, 
    Orlando, FL 
    Languages Spoken:
    English
    Accepting New Patients

    Gifty Bhat is a Medical Genetics provider practicing medicine in Orlando, Florida. Dr. Bhat is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. She is also highly rated in 133 other conditions, according to our data. Her clinical expertise encompasses Microcephaly, HNRNPH2-Related Disorder, Chromosome 6q Duplication, and Chromosome 8p Deletion. Dr. Bhat is board certified in American Board Of Medical Genetics And Genomics. Dr. Bhat is currently accepting new patients.

    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Referral may be required

    University Of Michigan Pediatric Genetics Clinic

    1540 East Hospital Drive, Floor 6, 
    Ann Arbor, MI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mark Hannibal is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Ann Arbor, Michigan. Dr. Hannibal is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. He is also highly rated in 167 other conditions, according to our data. His clinical expertise encompasses Aase Syndrome, 47 XYY Syndrome, 2q37 Deletion Syndrome, and Neu Laxova Syndrome. Dr. Hannibal is board certified in American Board Of Medical Genetics And Genomics, Clinical Biochemical Genetics - 2020 and Clinical Genetics & Genomics. Dr. Hannibal is currently accepting new patients.

    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Referral may be required

    University Of Michigan Pediatric Genetics Clinic

    1540 East Hospital Drive, Floor 6, 
    Ann Arbor, MI 
    Languages Spoken:
    English
    Accepting New Patients

    Amanda Pritchard is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Ann Arbor, Michigan. Dr. Pritchard is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. She is also highly rated in 150 other conditions, according to our data. Her clinical expertise encompasses Microcephaly Deafness Syndrome, Propionic Acidemia, Delayed Growth, and Costello Syndrome. Dr. Pritchard is board certified in American Board Of Medical Genetics And Genomics, Clinical Biochemical Genetics - 2019 , American Board Of Pediatrics, Pediatrics - 2016, and American Board Of Medical Genetics And Genomics, Medical Biochemical Genetics - 2019 . Dr. Pritchard is currently accepting new patients.

    Advanced in Chromosome 21q Deletion
    Advanced in Chromosome 21q Deletion
    Referral may be required
    Starynkiewicz Square 1/3, 
    Warsaw, MZ, PL 

    Miroslaw Wielgos practices practicing medicine in Warsaw, Poland. Mr. Wielgos is rated as an Advanced expert by MediFind in the treatment of Chromosome 21q Deletion. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Intrauterine Growth Restriction, Macrosomia, Endometriosis, Liver Transplant, and Kidney Transplant.

    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Referral may be required
    26901 76th Avenue, 
    New Hyde Park, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Erica Fernandes is a Medical Genetics specialist and a Pediatrics provider practicing medicine in New Hyde Park, New York. Dr. Fernandes is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. She is also highly rated in 153 other conditions, according to our data. Her clinical expertise encompasses Microcephaly, Chromosome 13q Deletion, Early Infantile Epileptic Encephalopathy, and Acrodermatitis Enteropathica.

    Advanced in Chromosome 21q Deletion
    Medical Genetics | Obstetrics and Gynecology
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Obstetrics and Gynecology
    Referral may be required

    Adult Genetics And Preventive Genomics Clinic

    1825 Fourth St., 
    San Francisco, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Aleksandar Rajkovic is a Medical Genetics specialist and an Obstetrics and Gynecologist practicing medicine in San Francisco, California. Dr. Rajkovic is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Premature Ovarian Failure, Uterine Fibroids, Infertility, and Amenorrhea. Dr. Rajkovic is board certified in American Board Of Obstetrics And Gynecology, Obstetrics & Gynecology and American Board Of Medical Genetics And Genomics, Clinical Genetics And Genomics. Dr. Rajkovic is currently accepting new patients.

    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Advanced in Chromosome 21q Deletion
    Medical Genetics | Pediatrics
    Referral may be required

    Pediatric Otolaryngology Clinic

    1540 E Hospital Dr, Floor 2 Reception A, 
    Ann Arbor, MI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kristen Lee is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Ann Arbor, Michigan. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Chromosome 21q Deletion. She is also highly rated in 139 other conditions, according to our data. Her clinical expertise encompasses Biotinidase Deficiency, Delayed Growth, Beta-Ketothiolase Deficiency, and Triple X Syndrome. Dr. Lee is board certified in Pediatrics, Medical Biochemical Genetics, and Clinical Genetics & Genomics. Dr. Lee is currently accepting new patients.

    Showing 1-20 of 239

    Last Updated: 09/26/2026

    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 

    Read more about our Content Policy. 

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