Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Paul John O'Brien, MD

Individual provider Cardiovascular Disease Physician · NPI 1992865588

Dr. Paul John O'Brien, MD is a Cardiovascular Disease (Cardiology) in Annandale, Virginia. Graduated from University of Virginia School of Medicine in 1986, 40 years ago. Practices with Cardiology Specialists of Virginia, a 2-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
40
Trained at
University of Virginia School of Medicine
Licensed in
VA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6715 Little River Tpke Ste 300
Annandale, VA 22003-3546
Phone: (703) 751-6668
Fax: (703) 642-1049
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 4320 Seminary Rd, Alexandria, VA 22304-1535 — (703) 504-3000
  • 3300 Gallows Rd, Falls Church, VA 22042-3300 — (703) 504-3000

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 0101055808 (VA)

Record details

NPI number1992865588
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESFebruary 7, 2022
Certification dateFebruary 7, 2022
Mailing address6715 Little River Tpke Ste 300, Annandale, VA 22003-3546

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Cardiology Specialists Of Virginia — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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