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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Joanna Jen is Excellent. Dr. Jen has been reviewed by 8 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.9
Courteous Staff 4.3
Accurate Diagnosis 3.7
Bedside Manner 4.5
Spends Time with Me 4.2
Follows Up After Visit 4.0

Specialties & Research

Dr. Joanna Jen, MD, PHD is board certified in Neurology.

  • She has special expertise in 15 areas:
  • Alzheimer's Disease
  • Ataxia
  • Cerebellar Ataxia
  • Concussion
  • Epilepsy
  • Eye Movement Disorders (Ocular Motility)
  • Genetic Predisposition to Disease
  • Headache Disorders
  • Migraine Disorders
  • Multiple Sclerosis (MS)
  • Neurology
  • Primary Headache Disorders
  • Spinocerebellar Ataxias
  • Spinocerebellar Degenerations
  • Vertigo

Education & Awards

Dr. Jen graduated from Yale University, New Haven. She has 5 awards.

One of America's Leading Experts on:
Cerebellar Ataxia
Spinocerebellar Ataxias
Patients' Choice Award (2013 - 2014)
Compassionate Doctor Recognition (2013)


Dr. Jen has 4 hospital affiliations:

  • UCLA Medical Center 
  • Santa Monica - UCLA Medical Center 


  • Spanish
  • Armenian
  • Mandarin
  • Chinese
  • English

> > > > Dr. Joanna Jen, MD, PHD

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Additional Information
Dr. Joanna Chieh Jen MD and PHD is a female Neurologist, has 20 years of experience and practices in Neurology.
Where does Dr. Joanna C. Jen practice?
Dr. Joanna Jen has 2 office locations.
Dr. Joanna Jen practices Neurology near Los Angeles, CA.
See Los Angeles Neurologists.