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

Edward O'Brian, PA

Individual provider Physician Assistant · NPI 1366643744

Edward O'Brian, PA is a Physician Assistant in Washington, District of Columbia. Qualified in 1998, 28 years ago. Practices with Winchester Medical Center, a 312-clinician group and accepts Medicare assignment.

Years since qualifying
28
In the registry since
2007
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

6900 Georgia Ave NW
Washington, DC 20307-0003 Not confirmed with CMS for 19 years — call before visiting
Phone: (202) 782-8481

No coordinates on file. Search this address in Google Maps

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1366643744
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorYes
NPI enumeratedMay 31, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Winchester Medical Center — 312 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Winchester Medical Center Hospital · Winchester, VA

Colleagues at Winchester Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 312 clinicians in the practice; 12 are shown here.

Other providers in Washington