Summary

Dr. Jennifer O'Neil is a cardiovascular disease specialist who earned her medical degree from Wright State University School of Medicine. With 18 years of experience in medicine, she holds certification in Pediatrics from the American Board of Pediatrics, demonstrating her specialized focus on heart conditions in children. Dr. O'Neil speaks English and brings nearly two decades of expertise to her practice.

She is affiliated with Adventist Healthcare Shady Grove Medical Center and practices at Inova Children's Cardiology in Fairfax, Virginia. Dr. O'Neil specializes in treating congenital heart disease and conditions like atrial septal defects and patent foramen ovale. Her procedural expertise includes performing dobutamine stress echocardiograms and electrocardiograms to evaluate heart function in young patients. Patients have given Dr. O'Neil an average rating of 5.0 on Vitals, reflecting their confidence in her care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 18 years of experience
  • 21 insurance plans accepted
  • speaks English
  • Wright State University School of Medicine
  • 3 written reviews
  • 1 specialty
  • 1 area of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

Inova Children's Cardiology - Willow Oaks

8260 Willow Oaks Corporate DrFairfax, VA 22031
Mon8:00 am - 5:00 pm
Tue8:00 am - 7:00 pm
Wed7:30 am - 4:00 pm
Thu8:00 am - 7:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Jennifer B. O'neil, MD
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Jennifer B. O'neil, MDReed M. Shnider, MDMinhal Makshood, MDJay Aaron Mazel, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.5 
4.8 
18 Years of Experience 46 Years of Experience 9 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Hebrew Speaks English Speaks English
Fairfax , VAOlney , MDOlney , MDAnnapolis , MD
Med School: Wright State University School of Medicine Med School: Georgetown University Med School: Albany Medical College Med School: SUNY Downstate Medical Center
Current Profile
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Insurance Plans Accepted by Jennifer B. O'neil

  • Aetna
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • AmeriHealth - Medicaid (Managed)
  • APWU
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • CHAMPVA
  • Cigna
  • Innovation Health
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Molina Healthcare
  • Optima Health - Medicaid (Managed)
  • Trusted Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • UPMC Health Plan

Medical Specialties

Jennifer B. O'neil has the following specialty

Specialty Expertise

Jennifer B. O'neil has the following area of expertise

  • Pediatric Cardiology

Certifications, License, & Education

18 Years Experience

Jennifer B. O'neil holds expired and active medical licenses in the states of Virginia and Maryland. They are board certified in Pediatrics by the American Board of Pediatrics.

Board Certifications

Board certified in Pediatrics by the American Board of Pediatrics.

Medical License

Medical Doctor with an expired medical license in the state of Virginia that expired in 2026 and an active medical license in the state of Maryland that expires in 2027.

Education & Training

Medical School

Graduated from Wright State University School of Medicine in 2008.

NPI Number

Jennifer B. O'neil's NPI number is 1548427271.

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Frequently Asked Questions

Which hospitals is Jennifer O'neil affiliated with?
Jennifer O'neil is affiliated with Adventist Healthcare Shady Grove Medical Center.
Is Jennifer O'neil accepting new patients?
Jennifer O'neil is accepting new patients on Vitals. View Jennifer O'neil's profile on Vitals to make an appointment.
Does Jennifer O'neil accept virtual/telehealth appointments?
Jennifer O'neil has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Jennifer O'neil accept my insurance?
You can see the insurance plans that Jennifer O'neil accepts on their Vitals profile.
Where is Jennifer O'neil's office located?
Jennifer O'neil's office is located at 8260 Willow Oaks Corporate Dr, Fairfax, VA, 22031.

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