ALLYSSA M NGUYEN (O.D.) – Optometrist, NPI 1942512579
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,052 OPTOMETRY in VA
Provider Addresses for ALLYSSA M NGUYEN (O.D.)
8403 CARNEROS VALLEY CT STE B
BRISTOW, VA 201365121
Phone: (703) 371-9544
Fax: (703) 359-2763
Type: Mailing
10 RIVERTON COMMONS DR
FRONT ROYAL, VA 226306718
Phone: (540) 690-4410
Type: Location
11702U FAIR OAKS MALL
SUITE B
FAIRFAX, VA 220333325
Phone: (571) 529-6279
Fax: (703) 359-2763
Type: Mailing
6530 Trading Sq
Haymarket, VA 201692278
Phone: (703) 754-1113
Type: Location
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 $17.
Total Amount is formed as General ($17) + Research ($0) + Ownership ($0) = $17.
Last reported payment date: 2023-09-01 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($17).
Total Amount
$17
General + Research + Ownership
Payments
1
Total payment records
General Amount
$17
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $17 |
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: 2015-04-29
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 |
|---|---|---|---|---|
| I20110505000870 | I | Optometry | VA | TBD |
| I20150429000638 | I | Optometry | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92250 | Photography of the retina | 17 | 17 | $0 |
| 92004 | New patient complete exam of visual system | 16 | 16 | $0 |
Insurance plans in this area (ZIP 20136)
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