DR. HELEN Z YOON (M.D.) – Neonatal-Perinatal Medicine Physician, NPI 1396756136
Neonatal-Perinatal Medicine Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. HELEN Z YOON (M.D.)
Virginia Hospital Center, 1701, North George Mason Drive, Highview Park, Arlington, Arlington County, Virginia, 22205-3698, United States
ARLINGTON, VA 222053610
Phone: (703) 558-5000
Type: Location
2730, Prosperity Avenue, Merrifield, Fairfax (city), Virginia, 22031, United States
FAIRFAX, VA 22031
Phone: (703) 289-1400
Fax: (703) 289-1414
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $31.
Total Amount is formed as General ($31) + Research ($0) + Ownership ($0) = $31.
Last reported payment date: 2023-12-19 • Largest payer in this snapshot: SANOFI PASTEUR INC. ($31).
Total Amount
$31
General + Research + Ownership
Payments
1
Total payment records
General Amount
$31
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SANOFI PASTEUR INC. | $31 |
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: 2012-10-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20121009000620 | I | Pediatric Medicine | DC | 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 22205)
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Reviews
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