Physician Directory

Arun Singh Chhabra, MD Neurology

Primary Specialties
  • Neurology - Board Certified
Medical Groups & Affiliations
  • Mary Washington Health Alliance
  • Mary Washington Medical Group

Mary Washington Neurology (INPATIENT ONLY)
1101 Sam Perry Blvd. Suite 414
Fredericksburg, VA 22401
Get Directions

Phone 540.899.1354

  • Office Information


    Mary Washington Neurology (INPATIENT ONLY)
    1101 Sam Perry Blvd. Suite 414
    Fredericksburg, VA 22401
    Get Directions


  • About

    About the Physician

    Languages Spoken
    (in addition to English)
    English, Punjabi, Spanish, Thai


    February 2016 International Stroke Conference

    Los Angeles, CA

    Faster Start of IV tPA Does Not Decrease the Need for Endovascular Thrombectomy in Acute Ischemic Stroke

    Chhabra et. al

    April 2015 American Academy of Neurology Annual Conference

    Washington, DC

    Psychiatric Symptoms as a Predictor of Outcome in Patients with Post-Concussive Syndrome

    Arun Chhabra, MD, Allison Weathers, MD, Bichun Ouyang, PhD


    August 2015 Faster Start of IV tPA Does Not Decrease the Need for Endovascular Thrombectomy in Acute Ischemic Stroke

    In a prospectively maintained registry, I identified patients receiving IV tPA at 2 academic medical centers from March 2005 – May 2015. For this analysis I used the inclusion criteria of a target large artery occlusion seen on CTA or MRA before (or early during) infusion of IV tPA, and the performance of follow-up vessel imaging within 6h of IV tPA start, using CT, MR or catheter angiogram. Degree of thrombus lysis achieved by IV tPA was rated using the arterial occlusive lesion (AOL) Scale.The goal of the study was to determine if faster times to the administration of tPA after symptom onset would obviate the need for endovascular therapy.

    April 2014 Psychiatric Symptoms as a Predictor of Outcome in Patients with Post-Concussive Syndrome, Rush University Medical Center, Chicago, IL

    I performed a retrospective chart review of patients with the diagnosis of concussion or post-concussive syndrome that were seen at our institution over a 15 month period. Patients 16-75 years old who had suffered a concussion within 4 months prior to their clinic visit were included. Patients were excluded if they had a previous diagnosis of a psychiatric illness or suffered an intracranial bleed or skull/facial fracture while sustaining their concussion. Patients who exhibited the psychiatric symptoms of irritability, depression, anxiety, or changes in mood within 1 month after their concussion were compared to those who did not. The goal of the study was to determine if psychiatric symptoms experienced in the acute or subacute phase would portend a worse prognosis and longer recovery.

    October 2013 Utility of PFA Testing after Stent-Coil Aneurysm Repair
    Rush University Medical Center, Chicago, IL

    I retrospectively reviewed the last 100 stent placements done by two of our neuro-interventional attendings at Rush University using our electronic medical record. One attending performs PFA testing on all of his patients and makes adjustments to anti-platelet regimens accordingly and the other never performs PFA testing. I then retrospectively compared outcomes amongst the patients who received PFA testing versus those who didn’t. More specifically, I looked at the rate of thromboembolic complications and the rate of mild, moderate to severe hemorrhage in both populations. Ultimately I hoped to prove or disprove a need for PFA testing in patients with stent-coil treatment of their intracranial aneurysms.

    September 2012 Biomarkers for Cerebral Aneurysm Formation
    Rush University Medical Center, Chicago, IL

    I first reviewed the pathophysiology of cerebral aneurysm formation and the current role of biomarkers in the literature for tracking aneurysm development. We then postulated that elastase, lipoprotein A, MMP (gelatinase), homocysteine and plasmin correlated with aneurysm rupture. After receiving funding for lab work, we plan to enroll patients who have acutely undergone aneurysm rupture and compare their biomarker values to the serum values 6-months post coiling. We plan to compare this to controls and those with non-ruptured, unsecured aneurysms to hopefully find a range of values for each biomarker that could predict pending aneurysm rupture.

    August 2004 Brain Perfusion Characteristics of Cerebral Catheters
    UVA Mechanical Engineering Dept, Charlottesville, VA

    As part of my capstone engineering project, I tested the perfusion characteristics of various catheters upon infusion into cerebral tissue gels. Agarose gels were prepared weekly that had been shown, based on previous studies, to accurately simulate the properties of brain tissue. Different types of catheters were supplied to us by local biomedical companies and the perfusion characteristics of each catheter was tested by infusion into the model gels. The ultimate goal was to find an ideal catheter for chemotherapy infusion into brain tissue so that chemotherapy could be accurately targeted to the site of interest without harming healthy, normal tissue. I presented my findings in an undergraduate thesis.

    November 2003 Epidemiological Studies in Breast Cancer
    Breast Cancer Research Center, UVA Hospital, Charlottesville, VA

    Spent 10-15 hours a week working at the Breast Cancer center performing database entry of patient files into Microsoft Access. Each patient’s epidemiological data was entered and trends in those with breast cancer were identified. These trends were statistically analyzed with the goal of identifying risk factors and predictors of breast cancer so as to prevent its future occurrence.


    Jan 2008 – May 2009 Student Escort, Eastern VA Medical School, Norfolk, VA

    As an employee of the EVMS Office of Security, I escorted health profession students from the school to their home.

    Feb 2007 – July 2007 ESPN Productions Assistant, ESPN Campus, Bristol, CT

    Controlled wire copy flow, coordinated graphics information, ran teleprompter data, and screened sporting events for highlight video.

    Aug 2005–Feb 2007 Patent Examiner, US Patent and Trademark Office, Alexandria, VA Reviewed biomedical patent applications by performing database searches for prior art and corresponded with attorneys for the approval of patents.


    March 2010
    Co-Organizer, Haiti Awareness Night

    Organized an event where physicians who had traveled to Haiti before, during and after the disaster, spoke to students, faculty and the EVMS community about their experiences and how people could help both physically and fiscally.

    June 2008
    Camp Counselor, Camp Bruce McCoy

    Was a counselor at a summer camp for traumatic brain injury survivors. At the camp, I organized activities for the campers and assisted those afflicted with severe brain injuries with their activities of daily living.

    April 2008 – May 2011
    Volunteer, Community Care Day

    Ran blood pressure, cholesterol and depression screenings for Norfolk community members at a local YMCA. I also helped educate the community on the proper exercise, diet and nutrition to live healthy lives.

    March 2008 – March 2011
    Volunteer, Norfolk Emergency Shelter Team

    For one week per year, I helped run a homeless shelter in Norfolk. I would assist in managing the shelter overnight and preparing dinner, breakfast and the next day’s lunch for shelter inhabitants.

    August 2007 – March 2011
    Honduras Medical Brigade, International Medicine Society

    Organized and planned a medical brigade of over 40 students, pharmacists and physicians by gathering medical equipment, supplies and medications. In Honduras, we formed traveling medical clinics and each day treated patients at different rural underserved communities around the country.

    August 2007-May 2011
    Student Physician, My HOPE Free Clinic

    Volunteered monthly as a junior clinician at our student-run free clinic.

    August 2007 – May 2009
    Mentor, EVMS Mentoring Society

    Made weekly visits to a third grade student at a local elementary school and engaged in monthly outings with my him to various locations around the city.

    Sep 2006 – Feb 2007
    Volunteer, Unity Health Care Inc.

    I spent 4-5 hours a week volunteering at family practice clinics in Washington D.C. and Virginia. During clinic, I shadowed physicians, took blood pressure readings, performed auditory and visual exams, read to children as they sat in the waiting room, and made phone call reminders to patients about upcoming appointments.


    August 2007-May 2011
    Class President, MD Class of 2011

    Duties as president of my medical school class included planning class events and meeting with administrators, hospital physicians and faculty to address class needs. I also aided in running our charity auction, and organizing our class ski trip, class dance socials and class sporting events.

    August 2007 – May 2011
    Co-president, Neural Groove

    I was co-president and soloist for the EVMS acappella group that practiced weekly and performed monthly at Dean’s Hour as well as at school receptions, community events, and graduation.

    August 2007 – May 2011
    Student Coordinator, Intramural Sports

    Organized the EVMS participation in Old Dominion University’s intramural leagues. I myself also actively took part in sports throughout the year.

    August 2007 – May 2009
    Volunteer, Medical Explorers

    Volunteered once a month to teach high school students about anatomy, the brain and medicine when they came to our school for an evening field trip.

    August 2007 – May 2009
    Volunteer, Project SMILE

    Attended monthly outings with cancer patients and their families, and was assigned to an individual afflicted with cancer and their family to guide them through their difficult time.

    August 2007 – May 2009
    Member, Operation SMILE

    As a student member of the national organization that fixes cleft lips and palates of patients in impoverished countries around the world, I fundraised and volunteered at the national headquarters in Norfolk, VA.

    August 2007 – May 2008
    Student Member, Admissions Committee

    Interviewed applicants 4-5 times a month and discussed their attributes with physicians, faculty and scientists on a 3-team panel to determine whether or not a candidate would gain acceptance into our medical school.


    2012 – present American Academy of Neurology, Resident

    2012 – present American Neurological Association, Resident

    2007 – present American Medical Association, Resident


    Basketball, soccer, football, golf, singing, writing music, traveling, dancing, playing trumpet

  • Experience


    Date Range
    Univ. of Virginia
    Biomedical Engineering
    August 2001 - May 2005
    Eastern Virginia Medical School
    Doctor of Medicine
    August 2007 - May 2011

    Other Certifications

    Neurology Board Certification, September 2015

  • Awards


    Spring 2015 Graduating Resident Teacher Award, Rush University Medical Center
    Spring 2011 Holmes Gillette Memorial Award, Eastern Virginia Medical School
    Spring 2009 Pharmacology Honors, Eastern Virginia Medical School
    Spring 2008 Biochemistry Honors, Eastern Virginia Medical School
    Spring 2008 Neuroscience Honors, Eastern Virginia Medical School

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