Trung Nguyen, MD, PHD
NPI 1851617633 · Neurology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trung Nguyen, MD, PHD is a Neurology Physician provider in Dallas, TX (NPI 1851617633).
Provider details
- NPI number
- 1851617633
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
963 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 422 | $178 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 163 | $215 |
| Evaluation of Neuropsychological Test, First Hour96132 | 85 | $126 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 85 | $34 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 85 | $16 |
| Administration of Psychological Or Neuropsychological Test By Technician, Each Additional 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 495 | 187 |
| Memantine Hcl | 457 | 180 |
| Sertraline Hcl | 153 | 53 |
| Galantamine Hbrbrand: Galantamine Er | 63 | 25 |
| Rivastigmine | 63 | 24 |
| Trazodone Hcl | 42 | 21 |
| Quetiapine Fumarate | 23 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-19
- Last updated
- 2014-07-22
Frequently asked questions
- What is Trung Nguyen's NPI number?
- Trung Nguyen's National Provider Identifier (NPI) is 1851617633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trung Nguyen's specialty?
- Trung Nguyen is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Trung Nguyen located?
- Trung Nguyen's practice location on file with NPPES is 5323 Harry Hines Blvd, Dallas, TX 75390-7208.
- What is Trung Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Trung Nguyen is (214) 645-0624.
- Does Trung Nguyen accept Medicare?
- Trung Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trung Nguyen's NPI active?
- Yes — Trung Nguyen's NPI (1851617633) is active in the NPPES registry as of the last update on 2014-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.