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

Dr. Jennifer Brown O'Neil, MD

Individual provider Pediatrics Physician · NPI 1548427271

Dr. Jennifer Brown O'Neil, MD is a Pediatrics Physician in Fairfax, Virginia. Works from 2 locations. Licensed in Virginia.

Licensed in
VA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8260 Willow Oaks Corporate Dr Ste 400
Fairfax, VA 22031-4513
Phone: (703) 573-0504
Fax: (703) 573-4856
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Additional practice locations (1)

  • 8260 Willow Oaks Corporate Dr Ste 625, Fairfax, VA 22031-4513 — (703) 573-0504

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 0101250398 (VA)
Pediatrics Physician Taxonomy 208000000X · Licence 0101250398 (VA)

Record details

NPI number1548427271
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2008
Last updated in NPPESMay 5, 2026
Certification dateMay 5, 2026

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