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    Last Updated: 10/30/2025

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    MediFind found 58 doctor with experience in Koolen De Vries Syndrome near Seattle, WA. Of these, 55 are Experienced and 3 are Advanced.

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    58 providers found
      Experienced in Koolen De Vries Syndrome
      Developmental and Behavioral Pediatrics | Pediatrics
      Experienced in Koolen De Vries Syndrome
      Developmental and Behavioral Pediatrics | Pediatrics
      4800 Sand Point Way NE, 
      Seattle, WA 
       (4.5 miles away)
      Languages Spoken:
      English

      Rachel Follmer is a Developmental and Behavioral Pediatrics specialist and a Pediatrics provider in Seattle, Washington. Dr. Follmer is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Autism Spectrum Disorder, DiGeorge Syndrome, Cardiofaciocutaneous Syndrome, and RASopathies.

      Jonathan C. Kopelovich
      Experienced in Koolen De Vries Syndrome
      Otolaryngology | Pediatric Otolaryngology
      Experienced in Koolen De Vries Syndrome
      Otolaryngology | Pediatric Otolaryngology

      Proliance Surgeons Bellevue Ear, Nose & Throat And Sound Hearing

      1231 116th Avenue NE, Suite 915, 
      Bellevue, WA 
       (6.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Jonathan Kopelovich, MD, is a board-certified otolaryngologist, who cares for problems that affect the head, neck, ear, nose and throat. He has additional board-certification and fellowship training in complex pediatric otolaryngology and has extensive experience in airway, craniofacial and ear surgery for children. Dr. Kopelovich believes in a collaborative and holistic approach to caring for every child.Raised on the gulf coast of Florida, Dr. Kopelovich pursued higher education in Philadelphia. He graduated cum laude from the University of Pennsylvania, then attended Jefferson Medical College and spent an additional year at the Children’s Hospital of Philadelphia devoted to cochlear implant research in children.Inspired by these experiences, Dr. Kopelovich completed otolaryngology residency and a neurobiology research fellowship at the University of Iowa, followed by a fellowship year in pediatric ENT at the Children’s Hospital of Colorado. While training, he focused on diseases affecting breathing, sleep, facial development and hearing. In addition to a stellar publication record, Dr. Kopelovich is passionate about decreasing the environmental impact of medicine. Since starting in practice with Bellevue Ear Nose and Throat, Dr. Kopelovich has organized and led multiple interdisciplinary provider groups in King County to help coordinate care for children with complicated head and neck issues. Additionally, he serves as the pediatric otolaryngology consultant for four neonatal ICUs.Dr. Kopelovich lives on Mercer Island with his wife, Rachel, a Seattle native and acupuncturist, and their three children. He enjoys hiking and skiing with his family in the Cascades and is an avid fan of all elements of hip hop culture. Dr. Kopelovich is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Hearing Loss, Enlarged Adenoids, Stridor, and Low Nasal Bridge.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Koolen De Vries Syndrome
      Interventional Cardiology | Cardiology
      Advanced in Koolen De Vries Syndrome
      Interventional Cardiology | Cardiology

      Virginia Mason Medical Center

      1100 9th Ave, 
      Seattle, WA 
       (0.3 miles away)
      Languages Spoken:
      English, Mandarin
      Accepting New Patients
      Offers Telehealth

      Drew Baldwin is an Interventional Cardiologist and a Cardiologist in Seattle, Washington. Dr. Baldwin is rated as an Advanced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Coronary Heart Disease, Angina, Atherosclerosis, and Heart Failure with Preserved Ejection Fraction (HFpEF). Dr. Baldwin is currently accepting new patients.

      Learn about our expert tiers
      Advanced in Koolen De Vries Syndrome
      Physician Assistant
      Advanced in Koolen De Vries Syndrome
      Physician Assistant

      Virginia Mason Medical Center

      1100 9th Ave, 
      Seattle, WA 
       (0.3 miles away)
      Languages Spoken:
      English, Arabic, German, Hindi, Korean, Spanish, Vietnamese
      Accepting New Patients
      Offers Telehealth

      Diana Mcfarlane is a Physician Assistant in Seattle, Washington. Ms. Mcfarlane is rated as an Advanced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Koolen De Vries Syndrome, Malabsorption, Protein Deficiency, and Rectocele. Ms. Mcfarlane is currently accepting new patients.

      Mark W. Elliott
      Experienced in Koolen De Vries Syndrome
      Interventional Radiology | Radiology
      Experienced in Koolen De Vries Syndrome
      Interventional Radiology | Radiology

      Integra Imaging Ps

      1200 12th Ave S, 
      Seattle, WA 
       (1.2 miles away)
      Languages Spoken:
      English

      Mark Elliott is an Interventional Radiologist and a Radiologist in Seattle, Washington. Dr. Elliott is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Ascites, Pleurisy, Pleural Effusion, Stent Placement, and Transmyocardial Revascularization.

      Karen K. Stout
      Experienced in Koolen De Vries Syndrome
      Cardiology | Pediatrics
      Experienced in Koolen De Vries Syndrome
      Cardiology | Pediatrics

      The Association Of University Physicians

      1701 Columbia Rd, 
      Seattle, WA 
       (3.1 miles away)
      Languages Spoken:
      English, German, Hebrew, Japanese, Korean, Portuguese, Russian, Spanish
      Accepting New Patients
      Offers Telehealth

      Karen Stout is a Cardiologist and a Pediatrics provider in Seattle, Washington. Dr. Stout is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Congenital Heart Disease (CHD), Tetralogy of Fallot, Partial Atrioventricular Canal, Heart Valve Repair, and Aortic Valve Replacement. Dr. Stout is currently accepting new patients.

      Catherine M. Otto
      Experienced in Koolen De Vries Syndrome
      Experienced in Koolen De Vries Syndrome

      The Association Of University Physicians

      1959 Ne Pacific St, 
      Seattle, WA 
       (3.2 miles away)
      Languages Spoken:
      English, French, Korean, Punjabi, Russian, Urdu, Vietnamese
      Accepting New Patients
      Offers Telehealth

      Catherine Otto is a Cardiologist in Seattle, Washington. Dr. Otto is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Aortic Valve Stenosis, Marfan Syndrome, Bicuspid Aortic Valve, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Otto is currently accepting new patients.

      Advanced in Koolen De Vries Syndrome
      Pediatrics | Oncology | Medical Genetics
      Advanced in Koolen De Vries Syndrome
      Pediatrics | Oncology | Medical Genetics
      4800 Sand Point Way Ne, 
      Seattle, WA 
       (4.5 miles away)
      Languages Spoken:
      English, Polish, Spanish

      Peter Leahy is a Pediatrics specialist and an Oncologist in Seattle, Washington. Dr. Leahy is rated as an Advanced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Maple Syrup Urine Disease, Succinyl-CoA:3-Ketoacid CoA Transferase Deficiency, Very Long-Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency, and Beta-Ketothiolase Deficiency.

      Experienced in Koolen De Vries Syndrome
      Experienced in Koolen De Vries Syndrome

      Virginia Mason Medical Center

      1100 9th Ave, 
      Seattle, WA 
       (0.3 miles away)
      Languages Spoken:
      English, Castilian, Filipino, Korean, Spanish
      Accepting New Patients
      Offers Telehealth

      Jonathan Medina-Beckwith is a Nurse Practitioner in Seattle, Washington. Mr. Medina-Beckwith is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Neurofibromatosis, Koolen De Vries Syndrome, and Heart Failure with Preserved Ejection Fraction (HFpEF). Mr. Medina-Beckwith is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Developmental and Behavioral Pediatrics | Pediatrics
      Experienced in Koolen De Vries Syndrome
      Developmental and Behavioral Pediatrics | Pediatrics
      818 Stewart St # 818-rc, 
      Seattle, WA 
       (0.4 miles away)
      Languages Spoken:
      English, Mandarin
      Accepting New Patients
      Offers Telehealth

      Dorota Szczepaniak is a Developmental and Behavioral Pediatrics specialist and a Pediatrics provider in Seattle, Washington. Dr. Szczepaniak is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Autism Spectrum Disorder, Developmental Dysphasia Familial, Delayed Growth, and Cardiofaciocutaneous Syndrome. Dr. Szczepaniak is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Endocrinology
      Experienced in Koolen De Vries Syndrome
      Endocrinology

      The Association Of University Physicians

      325 9th Ave, 
      Seattle, WA 
       (0.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Joshua Thaler is an Endocrinologist in Seattle, Washington. Dr. Thaler is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Obesity, Wiedemann-Steiner Syndrome, Osteoglophonic Dysplasia, Meier-Gorlin Syndrome, and Orchiectomy.

      Experienced in Koolen De Vries Syndrome
      Ophthalmology
      Experienced in Koolen De Vries Syndrome
      Ophthalmology
      325 9th Ave, 
      Seattle, WA 
       (0.4 miles away)
      Languages Spoken:
      English, Bengali, Italian, Spanish
      Accepting New Patients
      Offers Telehealth

      Debarshi Mustafi is an Ophthalmologist in Seattle, Washington. Dr. Mustafi is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Retinopathy Pigmentary Mental Retardation, Late-Onset Retinal Degeneration, Retinitis Pigmentosa, Tuberculous Uveitis, and Vitrectomy. Dr. Mustafi is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Pediatrics | Neurology
      Experienced in Koolen De Vries Syndrome
      Pediatrics | Neurology
      825 Eastlake Ave E, 
      Seattle, WA 
       (1.4 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Giulia Benedetti is a Pediatrics specialist and a Neurologist in Seattle, Washington. Dr. Benedetti is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Seizures, Generalized Tonic-Clonic Seizure, Absence Seizure, and Lissencephaly 1. Dr. Benedetti is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Experienced in Koolen De Vries Syndrome
      1200 12th Avenue South, 
      Seattle, WA 
       (2.4 miles away)
      Languages Spoken:
      English

      Ishwar Bhat is a Radiologist in Seattle, Washington. Dr. Bhat is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Pleurisy, Pleural Effusion, Gallbladder Disease, and Progressive Familial Intrahepatic Cholestasis Type 3.

      Experienced in Koolen De Vries Syndrome
      Medical Genetics | Neurology
      Experienced in Koolen De Vries Syndrome
      Medical Genetics | Neurology

      The Association Of University Physicians

      1701 Columbia Rd, 
      Seattle, WA 
       (3.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Fuki Hisama is a Medical Genetics specialist and a Neurologist in Seattle, Washington. Dr. Hisama is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Werner Syndrome, Cockayne Syndrome, Coffin-Siris Syndrome, and Cornelia De Lange Syndrome.

      Experienced in Koolen De Vries Syndrome
      Experienced in Koolen De Vries Syndrome

      The Association Of University Physicians

      1701 Columbia Rd, 
      Seattle, WA 
       (3.1 miles away)
      Languages Spoken:
      English, Castilian, Filipino, French, German, Spanish
      Accepting New Patients
      Offers Telehealth

      Gary Stobbe is a Neurologist in Seattle, Washington. Dr. Stobbe is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Autism Spectrum Disorder, Multiple Sclerosis (MS), Relapsing Multiple Sclerosis (RMS), and Rett Syndrome. Dr. Stobbe is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Obstetrics and Gynecology
      Experienced in Koolen De Vries Syndrome
      Obstetrics and Gynecology
      1959 Ne Pacific St, 
      Seattle, WA 
       (3.2 miles away)
      Languages Spoken:
      English, Castilian, Hindi, Spanish
      Accepting New Patients
      Offers Telehealth

      Angela Hernandez is an Obstetrics and Gynecologist in Seattle, Washington. Dr. Hernandez is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Turner Syndrome, Mixed Gonadal Dysgenesis, Koolen De Vries Syndrome, and Mosaicism. Dr. Hernandez is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Pediatrics | Medical Genetics
      Experienced in Koolen De Vries Syndrome
      Pediatrics | Medical Genetics
      1959 Ne Pacific St, 
      Seattle, WA 
       (3.2 miles away)
      Languages Spoken:
      English, Mandarin, Spanish
      Accepting New Patients
      Offers Telehealth

      Jennifer Hayek is a Pediatrics specialist and a Medical Genetics provider in Seattle, Washington. Dr. Hayek is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Miller-Dieker Syndrome, Smith-Magenis Syndrome, HNRNPH2-Related Disorder, and Filippi Syndrome. Dr. Hayek is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Pulmonary Medicine | Intensive Care Medicine
      Experienced in Koolen De Vries Syndrome
      Pulmonary Medicine | Intensive Care Medicine

      The Association Of University Physicians

      1959 Ne Pacific St, 
      Seattle, WA 
       (3.2 miles away)
      Languages Spoken:
      English, Castilian, Filipino, Finnish, Italian, Japanese, Korean, Russian, Spanish, Swedish, Urdu, Vietnamese
      Accepting New Patients
      Offers Telehealth

      Mark Tonelli is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Seattle, Washington. Dr. Tonelli is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Silicosis, Bronchiectasis, Lung Metastases, and Acute Interstitial Pneumonia. Dr. Tonelli is currently accepting new patients.

      Experienced in Koolen De Vries Syndrome
      Pulmonary Medicine | Intensive Care Medicine
      Experienced in Koolen De Vries Syndrome
      Pulmonary Medicine | Intensive Care Medicine

      The Association Of University Physicians

      1959 Ne Pacific St, 
      Seattle, WA 
       (3.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Bridget Collins is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Seattle, Washington. Dr. Collins is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Acute Interstitial Pneumonia, Interstitial Lung Disease, Pulmonary Fibrosis, Endoscopy, and Lung Transplant. Dr. Collins is currently accepting new patients.

      Showing 1-20 of 58

      Last Updated: 10/30/2025

      What is the definition of Koolen De Vries Syndrome?

      Koolen de Vries syndrome is a disorder characterized by developmental delay, mild to moderate intellectual disability, congenital malformations, and behavioral features. Other problems include weak muscle tone (hypotonia) in childhood, recurrent seizures (epilepsy), and distinctive facial features. Males with Koolen de Vries syndrome often have undescended testes (cryptorchidism). Other symptoms may include defects in the walls between the chambers of the heart (septal defects) or other heart defects, kidney problems, and skeletal anomalies such as foot deformities. It is caused by genetic changes in the KANSL1 gene, or by the loss of a small amount of genetic material in chromosome 17 that includes the KANSL1 gene (chromosome 17 q21.31 microdeletion). Inheritance is autosomal dominant.

      When should I see a Koolen De Vries Syndrome doctor near Seattle, WA?

      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 Koolen De Vries Syndrome doctor near Seattle, WA?

      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 Koolen De Vries Syndrome doctors near Seattle, WA?

      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 Koolen De Vries Syndrome doctors near Seattle, WA?

      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 Koolen De Vries Syndrome doctor near Seattle, WA?

      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 Koolen De Vries Syndrome doctor search results page. 

      Why is it important to get a second opinion from a different Koolen De Vries 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 Koolen De Vries Syndrome doctor near Seattle, WA?

      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 Koolen De Vries 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 Koolen De Vries 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 Koolen De Vries Syndrome doctors near Seattle, WA?

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

      Look for the filter feature on the left-side of the Koolen De Vries 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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