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Eric M. Williamson, MD

Eric M. Williamson, MD Physician

Assistant Professor of Clinical Neurology

Dr. Williamson is employed by Penn Medicine.

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Overall Ratings

Patient Comments

Clinical Specialties


  • Neurology

Programs & Centers:

Clinical Expertise:

  • Dementia Evaluation
  • Demyelinating Disease
  • Encephalopathy
  • Guillain-Barré Syndrome (GBS)
  • HIV and AIDS
  • Huntington's Disease (HD)
  • Lyme Disease
  • Memory Evaluation
  • Multiple Sclerosis (MS)
  • Neuroimmunology
  • NeuroVirology Research

Description of Clinical Expertise

Multiple Sclerosis, NMO

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • CVS Health
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Keystone First Medicare
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: Ohio State University - College of Medicine
Residency: Mount Carmel West Hospital
Residency: University of Chicago Medical Center
Fellowship: USC Medical Center


American Academy of Neurology, National Philadelphia Neurologic Society, Local

Hospital Affiliation

Dr. Williamson is employed by Penn Medicine.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.


Description of Research Expertise:

Complications of immune therapy, vaccinations, progressive multifocal leukoencephalopathy, jc virus, neuromyelitis optica, anti-MOG, aquaporin 4

Selected Publications:

Eric Williamson: Update on Experience with Nataluzimab Use, JC Virus Antibody testing and Treatment Decisions – Including Sex Differences American Academy of Neurology Annual Meeting, Patient Safety Colloquium & Poster Presentation : 2013.

Williamson, Eric; Gross, Lawrence: Using the Symbol Digit Modalities Test in Clinic, Cognition and Mood in Multiple Sclerosis International Journal of MS Care : 2013.

Williamson, Eric; Aparicio, Jose; Buckbinder, Lindsey; Burnett, Margaret: Experience with Nataluzimab Use, JC Virus Antibody testing and Treatment Decisions Multiple Sclerosis Journal 18 (4 supplement): 229,2012.

Williamson, Eric; Subhani, Dawood; Berkovich, Regina: Progressive Encephalopathy in a Multiple Sclerosis Patient Responsive to Therapeutic Plasma Exchange International Journal of MS Care 14 (Supplement 2): 46-47,2012.

Eric Williamson: Monoclonal Therapy-Induced Multiple Sclerosis American Academy of Neurology Annual Meeting : 2012.

Academic Contact Info

University of Pennsylvania
Department of Neurology
3400 Spruce Street, 3 W Gates

Philadelphia, PA 19104
Patient appointments: 800-789-7366 (PENN)