DR. FREDERIC NHA NGUYEN (M.D.) – Neurology Physician, NPI 1528293628
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,742 NEUROLOGY in TX
Provider Addresses for DR. FREDERIC NHA NGUYEN (M.D.)
2821 E PRESIDENT GEORGE BUSH HWY STE 303
RICHARDSON, TX 750824280
Phone: (214) 540-1400
Fax: (972) 234-4985
Type: Location
Gaston Avenue, Dallas, TX, Dallas, Dallas County, Texas, 75246-1191, United States
DALLAS, TX 752146273
Phone: (214) 827-3610
Fax: (214) 821-4017
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 444 Open Payments records for all available years, with a total value of $171,433.
Total Amount is formed as General ($171,433) + Research ($0) + Ownership ($0) = $171,433.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Otsuka America Pharmaceutical, Inc. ($47,864).
Total Amount
$171,433
General + Research + Ownership
Payments
444
Total payment records
General Amount
$171,433
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
1
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Otsuka America Pharmaceutical, Inc. | $47,864 |
| ABBVIE INC. | $34,547 |
| Eisai Inc. | $24,958 |
| ARGENX US, INC. | $24,449 |
| Corium, LLC | $14,076 |
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: 2014-10-16
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 |
|---|---|---|---|---|
| I20141016000574 | I | Neurology | TX | 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 |
|---|---|---|---|---|
| J7336 | Capsaicin 8% patch, per square centimeter | 24,761 | 12 | $0 |
| J0585 | Injection, onabotulinumtoxina, 1 unit | 14,700 | 26 | $0 |
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 3,140 | 17 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 290 | 91 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 278 | 191 | $0 |
Insurance plans in this area (ZIP 75082)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX |
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