Jennifer Brown O'Neil, MD
Pediatric Cardiology Physician · Fairfax, VA
Jennifer Brown O'Neil, MD is a pediatric cardiology physician with a practice address in Fairfax, Virginia, and NPI 1548427271, issued on May 20, 2008. Check the license (Virginia 0101250398, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Jennifer Brown O'Neil
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- 0101250398 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8260 Willow Oaks Corporate Dr Ste 400, Fairfax, VA 22031
- Phone
- (703) 573-0504
- Enumerated
- May 20, 2008
- Record last updated
- May 5, 2026
- Fax
- (703) 573-4856
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 98 in Virginia → Look up another NPI →
Also registered at 8260 Willow Oaks Corporate Dr Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Barbieri, PA-CPhysician Assistant1063722460
- Alan Benheim, M.D.Pediatric Cardiology Physician1750369351
- Patrick Callahan, M.D.Pediatric Cardiology Physician1487616082
- Bridget Curley, M.DPediatric Cardiology Physician1740636877
- Marc Delaney, MDPediatric Cardiology Physician1275067514
- Jason Goldberg, M.D.Pediatric Cardiology Physician1518261171
Verify Jennifer Brown O'Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101250398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Jennifer Brown O'Neil among 98 pediatric cardiology physician records in Virginia
Jennifer Brown O'Neil, MD is one of 98 pediatric cardiology physician records with a practice address in Virginia. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 37% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Virginia
There are 98 pediatric cardiology physician records in Virginia.
All 98 in Virginia → Every provider in Fairfax → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Alan Benheim, M.D.Fairfax, VA 220311750369351
- Patrick Callahan, M.D.Fairfax, VA 220311487616082
- Sarah Chambers Gurson, M.D.Fairfax, VA 220311518018076
- Radha Cohen, M.D.Fairfax, VA 220311700848439
- Frank Galioto, M.D.Fairfax, VA 220311831151067
- Seymour Hepner, M.D.Fairfax, VA 220311407834005
- Jared Hershenson, MDFairfax, VA 220311467598458
- Sharon Karr, M.D.Fairfax, VA 220311609854207
Common questions
What is Jennifer Brown O'Neil, MD's NPI number?
Jennifer Brown O'Neil, MD's National Provider Identifier (NPI) is 1548427271, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Brown O'Neil, MD located?
The NPPES record lists a practice address at 8260 Willow Oaks Corporate Dr Ste 400, Fairfax, VA, 22031. Phone: (703) 573-0504. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Brown O'Neil, MD's license?
NPPES lists Virginia license number 0101250398, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Jennifer Brown O'Neil, MD's MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.