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Texas Medical Center

Phone: 832-822-1750


6701 Fannin Street
Suite 1250
Houston, TX 77030

Mered Parnes, MD

Director, Pediatric Movement Disorders Clinic

Assistant Professor, Child Neurology, Baylor College of Medicine


School Education Degree Year
Baylor College of Medicine Fellowship Movement Disorders 2015
Baylor College of Medicine Residency Neurodevelopmental Disabilities/Child Neurology 2014
SUNY Downstate Medical Center Residency Pediatrics 2010
Drexel University College of Medicine Medical School Doctor of Medicine 2008



  • Diplomate, Neurology with Special Qualification in Child Neurology, American Board of Psychiatry and Neurology
  • Graduate, Movement Disorders Fellowship Program, Texas Medical Board
  • Licensed Physician, Texas Medical Board


Clinical Interests

  • Pediatric movement disorders
  • Tics and Tourette syndrome
  • Dystonia
  • Chorea
  • Tremor
  • Stereotypy
  • Deep brain stimulation 
  • Botulinum toxin injections 
  • Monoamine neurotransmitter disorders (AADC, tyrosine hydroxylase deficiency, others) 
  • Geniospasm
  • Paroxysmal dyskinesias 
  • Movement disorders in the setting of Rett syndrome 
  • Movement disorders associated with TOR1A, SGCE, NKX2-1, GNAO1, ADCY5, PDE10A, pediatric Wilson disease, and mitochondrial disorders 
  • Treatment of self-injurious movements including biting 
  • Neurodegeneration with brain iron accumulation (NBIA) 
  • Juvenile Huntington disease
  • Juvenile parkinsonism
  • Shuddering spells 

Research Interests

  • Trials of novel medications in the treatment of pediatric movement disorders 
  • Botulinum toxin injections in the treatment of pediatric movement disorders 
  • Deep brain stimulation (DBS) for pediatric movement disorders


Organization Name Role
American Academy of Neurology Member
Child Neurology Society Member
Functional Neurological Disorder Society Founding Member
Functional Neurological Disorder Society Founding Member
International Parkinson and Movement Disorder Society Steering Committee Member, Pediatric Movement Disorders Special Interest Group; Member, Tic Disorders and Tourette Syndrome Study Group
Tourette Association of America Center of Excellence at Texas Children's Director

Selected Publications

Parnes M, Bashir H, Jankovic J. Is Benign Hereditary Chorea Really Benign? Brain-Lung-Thyroid Syndrome Caused by NKX2-1 Mutations. Movement Disorders Clinical Practice. 2019; 6(1): 34–39.  DOI: 10.1002/mdc3.12690

Raskin JS, Parnes M, Lam S.  Progressive chorea and dystonia associated with a large arteriovenous malformation. Journal of the International Child Neurology Association. 2019 19:148.  DOI: 10.17724/jicna.2019.148

Hull M, Parnes M. Effective Treatment of Geniospasm: Case Series and Review of the Literature. Tremor and Other Hyperkinetic Movements. 2020; 10(1):1–16.  DOI: 10.5334/tohm.141

Hull M, Parnes M. Cervical myelopathy as a complication of untreated motor tics: a cautionary tale. Journal of Pediatric Neurology. 26 Oct 2020 [advance online publication]. DOI: 10.1055/s-0040-1718696

Calame D, Houck K, Lotze T, Emrick L, Parnes M.  A novel ATP1A2 variant associated with severe stepwise regression, hemiplegia, epilepsy and movement disorders in two unrelated patients. European Journal of Paediatric Neurology.  2021;31:21-26.  DOI: 10.1016/j.ejpn.2021.01.004

Hull M, Parnes M, Jankovic J.  Botulinum neurotoxin injections in childhood opisthotonus.  Toxins.  2021;13:137.  DOI: 10.3390/toxins13020137

Hull M, Parnes M, Jankovic J. Increased Incidence of Functional (Psychogenic) Movement Disorders in Children and Adults Amidst the COVID-19 Pandemic: A Cross-Sectional Study. Neurol Clin Pract. 14 Apr 2021 [Epub ahead of print ].  DOI: 10.1212/CPJ.0000000000001082

Blackburn J, Parnes M.  Tics, tremors and other movement disorders in childhood. Curr Probl Pediatr Adolesc Health Care.  2021;51(3):1-19.  DOI: 10.1016/j.cppeds.2021.100983

Hull M, Emrick L, Sadat R, Parnes M. A case of treatable encephalopathy, developmental regression, and proximal tremor. Parkinsonism Relat Disord. 2021 Dec;93:111-113. DOI: 10.1016/j.parkreldis.2021.04.020. Epub 2021 Dec 14.

Hull M, Parnes M.  Tics and TikTok: functional tics spread through social media.  Mov Disord Clin Pract.  17 June 2021 [Epub ahead of print].  DOI: 10.1002/mdc3.13267.

Patient and Family Comments

* Texas Children's Hospital physicians' licenses and credentials are reviewed prior to practicing at any of our facilities. Sections titled From the Doctor, Professional Organizations and Publications were provided by the physician's office and were not verified by Texas Children's Hospital.