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    Last Updated: 10/30/2025

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    MediFind found 38 doctor with experience in Marshall-Smith Syndrome near Grand Rapids, MI. Of these, 36 are Experienced and 2 are Advanced.

    Location
    LocationClose
    38 providers found
      Caleb P. Bupp
      Advanced in Marshall-Smith Syndrome
      Pediatrics | Medical Genetics
      Advanced in Marshall-Smith Syndrome
      Pediatrics | Medical Genetics

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

      25 Michigan Street Northeast, Suite 2100, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      16+ years
      Languages Spoken:
      English

      Caleb Bupp is a Pediatrics specialist and a Medical Genetics provider in Grand Rapids, Michigan. Dr. Bupp has been practicing medicine for over 16 years and is rated as an Advanced provider by MediFind in the treatment of Marshall-Smith Syndrome. His top areas of expertise are Marshall-Smith Syndrome, Hypotonia, Campomelia Cumming Type, and Campomelic Dysplasia.

      Advanced in Marshall-Smith Syndrome
      Medical Genetics
      Advanced in Marshall-Smith Syndrome
      Medical Genetics
      25 Michigan St Ne Ste 2000, 
      Grand Rapids, MI 
       (0.9 miles away)
      Languages Spoken:
      English

      Timothy Moss is a Medical Genetics provider in Grand Rapids, Michigan. Dr. Moss is rated as an Advanced provider by MediFind in the treatment of Marshall-Smith Syndrome. His top areas of expertise are Proteus-Like Syndrome, Proteus Syndrome, Weaver Syndrome, and Simpson-Golabi-Behmel Syndrome.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Beth A. Kurt
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      24+ years
      Languages Spoken:
      English

      Beth Kurt is a Pediatric Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Kurt has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Hereditary Spherocytosis, Congenital Athymia, and Febrile Neutropenia.

      Learn about our expert tiers
      John W. Kemppainen
      Experienced in Marshall-Smith Syndrome
      Pediatric Orthopedics
      Experienced in Marshall-Smith Syndrome
      Pediatric Orthopedics

      Corewell Health Pediatric Orthopedics - 35 Michigan St NE

      35 Michigan Street Northeast, Suite 4150, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English
      Accepting New Patients

      John Kemppainen is a Pediatric Orthopedics provider in Grand Rapids, Michigan. Dr. Kemppainen has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. His top areas of expertise are Scoliosis, Clubfoot, Spondylocarpotarsal Synostosis Syndrome, and Caudal Regression Syndrome. Dr. Kemppainen is currently accepting new patients.

      Matthew G. Pridgeon
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      15+ years
      Languages Spoken:
      English

      Matthew Pridgeon is a Pediatric Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Pridgeon has been practicing medicine for over 15 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. His top areas of expertise are Sickle Cell Disease, Hereditary Spherocytosis, Hemoglobin SC Disease, and Acute Lymphoblastic Leukemia (ALL).

      Deanna S. Mitchell
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      38+ years
      Languages Spoken:
      English

      Deanna Mitchell is a Pediatric Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Mitchell has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Neuroblastoma, Hemophilia A, Hemophilic Arthropathy, and Hereditary Neuroblastoma.

      Sharon H. Smith
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      40+ years
      Languages Spoken:
      English
      Accepting New Patients

      Sharon Smith is a Pediatric Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Smith has been practicing medicine for over 40 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Hereditary Spherocytosis, Acute Lymphoblastic Leukemia (ALL), Febrile Neutropenia, and Megalencephaly-Capillary Malformation Syndrome. Dr. Smith is currently accepting new patients.

      Kristy L. Pilbeam
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      14+ years
      Languages Spoken:
      English
      Accepting New Patients

      Kristy Pilbeam is a Pediatric Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Pilbeam has been practicing medicine for over 14 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Langerhans Cell Histiocytosis, Ewing Sarcoma, and Neuroblastoma. Dr. Pilbeam is currently accepting new patients.

      Stanley C. Sedore
      Experienced in Marshall-Smith Syndrome
      Pediatric Cardiology
      Experienced in Marshall-Smith Syndrome
      Pediatric Cardiology

      Corewell Health Pediatric Congenital Cardiology - 25 Michigan St NE

      25 Michigan Street Northeast, Suite 4200, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      15+ years
      Languages Spoken:
      English
      Accepting New Patients

      Stanley Sedore is a Pediatric Cardiologist in Grand Rapids, Michigan. Dr. Sedore has been practicing medicine for over 15 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. His top areas of expertise are Familial Dilated Cardiomyopathy, Brugada Syndrome, Postural Orthostatic Tachycardia Syndrome (POTS), and Short QT Syndrome. Dr. Sedore is currently accepting new patients.

      Julie A. Conley
      Experienced in Marshall-Smith Syndrome
      Experienced in Marshall-Smith Syndrome

      Corewell Health Pediatric Ophthalmology - 35 Michigan St NE

      35 Michigan Street Northeast, Suite 5101, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      16+ years
      Languages Spoken:
      English

      Julie Conley is a Pediatrics provider in Grand Rapids, Michigan. Dr. Conley has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Strabismus, Legius Syndrome, Esotropia, and RASopathies.

      Allison G. Close
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      12+ years
      Languages Spoken:
      English

      Allison Close is a Pediatric Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Close has been practicing medicine for over 12 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Hereditary Spherocytosis, Febrile Neutropenia, and Congenital Athymia.

      Mary J. Freyer
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      51+ years
      Languages Spoken:
      English

      Mary Freyer is a Nurse Practitioner in Grand Rapids, Michigan. Ms. Freyer has been practicing medicine for over 51 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Hemi 3 Syndrome, Perlman Syndrome, Simpson-Golabi-Behmel Syndrome, and Marshall-Smith Syndrome.

      Maria C. Silva
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner

      Corewell Health Pediatric Sleep Disorders Clinic - Grand Rapids

      35 Michigan Street Northeast, Suite 3003, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      2+ years
      Languages Spoken:
      English, Spanish
      Accepting New Patients

      Maria Silva is a Nurse Practitioner in Grand Rapids, Michigan. Ms. Silva has been practicing medicine for over 2 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Sleepwalking (Somnambulism), Vocal Cord Dysfunction, Simpson-Golabi-Behmel Syndrome, and Marshall-Smith Syndrome. Ms. Silva is currently accepting new patients.

      Jessica M. Foley
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology
      Experienced in Marshall-Smith Syndrome
      Pediatric Hematology Oncology

      Corewell Health Grand Rapids Hospitals Pediatric Cancer Hematology - 35 Michigan St NE

      35 Michigan Street Northeast, Floor 2, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English

      Jessica Foley is a Pediatric Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Foley has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Hereditary Spherocytosis, Hemophilia A, and Hemophilic Arthropathy.

      Tricia L. Browneye
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner

      Corewell Health Pediatric Sleep Disorders Clinic - Grand Rapids

      35 Michigan Street Northeast, Suite 3003, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      13+ years
      Languages Spoken:
      English
      Accepting New Patients

      Tricia Browneye is a Nurse Practitioner in Grand Rapids, Michigan. Ms. Browneye has been practicing medicine for over 13 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Koolen De Vries Syndrome, Vocal Cord Dysfunction, Periodic Limb Movement Disorder, and Marshall-Smith Syndrome. Ms. Browneye is currently accepting new patients.

      Lisa D. Maskill
      Experienced in Marshall-Smith Syndrome
      Pediatric Orthopedics
      Experienced in Marshall-Smith Syndrome
      Pediatric Orthopedics

      Corewell Health Pediatric Orthopedics - 35 Michigan St NE

      35 Michigan Street Northeast, Suite 4150, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      20+ years
      Languages Spoken:
      English
      Accepting New Patients

      Lisa Maskill is a Pediatric Orthopedics provider in Grand Rapids, Michigan. Dr. Maskill has been practicing medicine for over 20 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Brachydactyly Type A2, Accessory Navicular Bone, Brachydactyly Type C, and Brachydactyly Type B. Dr. Maskill is currently accepting new patients.

      Brooke E. Geddie
      Experienced in Marshall-Smith Syndrome
      Experienced in Marshall-Smith Syndrome

      Corewell Health Pediatric Ophthalmology - 35 Michigan St NE

      35 Michigan Street Northeast, Suite 5101, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      20+ years
      Languages Spoken:
      English

      Brooke Geddie is a Pediatrics provider in Grand Rapids, Michigan. Dr. Geddie has been practicing medicine for over 20 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Coloboma, Strabismus, Congenital Cataract, Esotropia, and Vitrectomy.

      Donna S. Eng
      Experienced in Marshall-Smith Syndrome
      Pediatric Endocrinology | Endocrinology
      Experienced in Marshall-Smith Syndrome
      Pediatric Endocrinology | Endocrinology

      Corewell Health Pediatric Endocrinology - 35 Michigan St NE

      35 Michigan Street Northeast, Suite 1800, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English
      Accepting New Patients

      Donna Eng is a Pediatric Endocrinologist and an Endocrinologist in Grand Rapids, Michigan. Dr. Eng has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Type 1 Diabetes (T1D), Short Stature (Growth Disorders), Familial Short Stature (FSS), and Idiopathic Short Stature (ISS). Dr. Eng is currently accepting new patients.

      Jean A. Ballweg
      Experienced in Marshall-Smith Syndrome
      Pediatric Cardiology
      Experienced in Marshall-Smith Syndrome
      Pediatric Cardiology

      Corewell Health Pediatric Congenital Cardiology - 25 Michigan St NE

      25 Michigan Street Northeast, Suite 4200, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      24+ years
      Languages Spoken:
      English
      Accepting New Patients

      Jean Ballweg is a Pediatric Cardiologist in Grand Rapids, Michigan. Dr. Ballweg has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Wolf-Hirschhorn Syndrome, Heart Murmurs, Multisystem Inflammatory Syndrome in Children (MIS-C), Cardiomyopathy, and Heart Transplant. Dr. Ballweg is currently accepting new patients.

      Allison L. Bykerk
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner
      Experienced in Marshall-Smith Syndrome
      Nurse Practitioner

      Corewell Health Pediatric Sleep Disorders Clinic - Grand Rapids

      35 Michigan Street Northeast, Suite 3003, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      4+ years
      Languages Spoken:
      English
      Accepting New Patients

      Allison Bykerk is a Nurse Practitioner in Grand Rapids, Michigan. Ms. Bykerk has been practicing medicine for over 4 years and is rated as an Experienced provider by MediFind in the treatment of Marshall-Smith Syndrome. Her top areas of expertise are Sleepwalking (Somnambulism), Vocal Cord Dysfunction, Koolen De Vries Syndrome, and Periodic Limb Movement Disorder. Ms. Bykerk is currently accepting new patients.

      Showing 1-20 of 38

      Last Updated: 10/30/2025

      What is the definition of Marshall-Smith Syndrome?

      Marshall-Smith syndrome (MRSHSS) is a genetic disorder in which individuals typically have advanced bone age, difficulties gaining weight (failure to thrive), unique facial features, and intellectual disability. Other signs and symptoms of this condition may include eye abnormalities, breathing difficulties, and neurological issues. Individuals may also have heart defects, an increased amount of body hair (hirsutism), and flat feet (pes planus). MRSHSS is caused by genetic changes in the NFIX gene. Most individuals with MRSHSS are the first in their family with this condition and are said to have a spontaneous (de novo) genetic change.

      When should I see a Marshall-Smith Syndrome doctor near Grand Rapids, MI?

      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 Marshall-Smith Syndrome doctor near Grand Rapids, MI?

      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 Marshall-Smith Syndrome doctors near Grand Rapids, MI?

      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 Marshall-Smith Syndrome doctors near Grand Rapids, MI?

      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 Marshall-Smith Syndrome doctor near Grand Rapids, MI?

      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 Marshall-Smith Syndrome doctor search results page. 

      Why is it important to get a second opinion from a different Marshall-Smith 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 Marshall-Smith Syndrome doctor near Grand Rapids, MI?

      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 Marshall-Smith 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 Marshall-Smith 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 Marshall-Smith Syndrome doctors near Grand Rapids, MI?

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

      Look for the filter feature on the left-side of the Marshall-Smith 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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