What is Paul O'Brien's background?

Dr. O'Brien graduated from University of Virginia School of Medicine in 1986 and has over 40 years in internal medicine. Dr. O'Brien works within a group practice.

Does Paul O'Brien take Medicare?

Dr. O'Brien has a Medicare provider ID. Contact the office to confirm enrollment and other coverage.

How do I reach Paul O'Brien's office?

6715 Little River Tpke Ste 300, Annandale, VA 22003. Phone: (703) 751-6668. Fax: (703) 642-1049. Virtual visits are also available for patients who prefer remote care.

How does a virtual visit with Dr. O'Brien work?

Dr. O'Brien's office sends a secure video link before your appointment. You can join from any device with a camera — phone, tablet, or laptop. Most visits take 15–30 minutes. See the telehealth section above for what to prepare.

Paul John O'Brien, MD

Cardiovascular Disease Internal Medicine

Internal Medicine

(703) 751-6668Annandale, VA

Telehealth Available

NPI Active per CMS — Q2 2026

Telehealth Available NPI Active per CMS — Q2 2026

Paul O'Brien, MD has practiced internal medicine for 40+ years, working in group practice. Trained at University of Virginia School of Medicine (class of 1986), he has been practicing for over 40 years. Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, and more.

1 of 87 Internal Medicine providers in VASee all Internal Medicine in Annandale|40+ years experience|NPI since 2006

Data updated 2022-02-07 on CMS NPPES

Contact & Location

Practice Location

6715 Little River Tpke Ste 300, Annandale, VA 22003-3546

(703) 751-6668

Fax: (703) 642-1049

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal Medicine Cardiovascular Disease in AnnandaleAllopathic & Osteopathic Physicians

Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, heart failure, arrhythmias, valve disorders, and hypertension. They perform diagnostic procedures such as echocardiograms, stress tests, and cardiac catheterization.

Taxonomy: 207RC0000X

Education & Training

University of Virginia School of Medicine (Class of 1986)

Virtual Cardiovascular Disease Care With Paul O'Brien

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Paul O'Brien for follow-ups, medication reviews, and ongoing care — no travel to Annandale required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Paul O'Brien

NPI records show Dr. O'Brien as active with telehealth listed in Annandale, VA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (703) 751-6668.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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