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Physician Directory

Find a Doctor

Dr. John T. O' Brien, MD

Cardiovascular Disease

  • (703) 573-0740

Dr. O' Brien's Overview

Dr. John T. O' Brien graduated from the Georgetown University School of Medicine in 1977. He works in Annandale, VA and specializes in Cardiovascular Disease. Dr. O' Brien is affiliated with Inova Fair Oaks Hospital and Inova Fairfax Medical Campus.

Dr. O' Brien's Experience

Years in Practice: 38

Procedures Performed by Dr. O' Brien

  • Not Available

Dr. O' Brien's Specialties

Cardiovascular Disease

Dr. O' Brien's Education & Training

Medical School: Georgetown University School of Medicine; Graduated 1977

Dr. O' Brien's Rating

Rate This Doctor

Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
  • View All Ratings

Dr. O' Brien's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Select
  • Aetna Signature Administrators PPO
  • Anthem HealthKeepers HMO/POS
  • Anthem KeyCare PPO
  • Anthem Pathway X Tier Hosp HealthKeepers DirectAccess VA
  • BCBS Blue Card PPO
  • CareFirst BlueChoice Advantage
  • CareFirst BlueChoice Ntwk POS
  • View More

Dr. O' Brien's Office Information & Appointments

Office Locations

Inova Medical Group
Inova Medical Group Cardiology

3299 Woodburn Rd Ste 200
Annandale, VA 22003
(703) 573-0740


Office Hours and Information

Fax: (703) 207-8561

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. O' Brien's Practice

Dr. O' Brien's Hospital Affiliations

Office Locations

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