DR. JENNIFER BROWN O'NEIL (MD) – Pediatric Cardiology Physician, NPI 1548427271
Pediatric Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. JENNIFER BROWN O'NEIL (MD)
8260 Willow Oaks Corporate Dr Ste 625
Fairfax, VA 220314513
Phone: (703) 573-0504
Fax: (571) 573-4856
Type: Location
8316, Arlington Boulevard, Annandale, Fairfax (city), Virginia, 22031, United States
SUITE 500
FAIRFAX, VA 220315207
Phone: (814) 883-7725
Type: Location
4320 Seminary Rd
Alexandria, VA 223041535
Phone: (703) 504-3000
Fax: (703) 504-3388
Type: Location
3300 Gallows Rd
Falls Church, VA 220423307
Phone: (703) 776-4001
Fax: (703) 776-7113
Type: Location
8316 Arlington Blvd
Suite 500
Fairfax, VA 220315207
Phone: (814) 883-7725
Type: Location
PO BOX 37174
BALTIMORE, MD 212973174
Phone: (571) 423-5699
Fax: (571) 423-5698
Type: Mailing
YUME SUSHI, 2121, North Westmoreland Street, East Falls Church, Arlington, Arlington County, Virginia, 22213, United States
APT 343
ARLINGTON, VA 222131055
Phone: (814) 883-7725
Type: Mailing
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 220314513
Phone: (703) 573-0504
Fax: (703) 573-4856
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-01-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20111222000345 | I | Pediatric Medicine | DC | TBD |
| I20120113000441 | I | Pediatric Medicine | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 22031)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | MD | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MD | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MN | |
| Cardiovascular Disease (Cardiology) | MD | |
| - | VA | |
| Pediatric Medicine, Obstetrics/Gynecology | MD | |
| Cardiovascular Disease (Cardiology) | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MD | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NJ | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL |
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