Thuy Nguyen, M.D.
NPI 1659300010 · Specialist · Houston, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thuy Nguyen, M.D. is a Specialist provider in Houston, TX (NPI 1659300010).
Provider details
- NPI number
- 1659300010
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- J8697 (TX)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,035.1 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) |
|---|---|---|
| Exam of the Internal Drainage System of Eye92020 | 279 | $25 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 234 | $119 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 205 | $14 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 173 | $166 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 32 | $204 |
| Ultrasound Scan to Determine Eye Length and Lens Power76519 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 479 | 138 |
| Cyclosporinebrand: Restasis | 133 | 41 |
| Timolol Maleate | 81 | 22 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 64 | 14 |
| Prednisolone Acetate | 58 | 38 |
| Ciprofloxacin Hcl | 50 | 37 |
| Cyclosporine | 28 | 12 |
| Brimonidine Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$443 across 10 records (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
- 2006-06-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thuy Nguyen's NPI number?
- Thuy Nguyen's National Provider Identifier (NPI) is 1659300010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thuy Nguyen's specialty?
- Thuy Nguyen is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Thuy Nguyen located?
- Thuy Nguyen's practice location on file with NPPES is 3221 Fannin St, Houston, TX 77004-2901.
- What is Thuy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thuy Nguyen is (713) 522-0212.
- Does Thuy Nguyen accept Medicare?
- Thuy Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thuy Nguyen's NPI active?
- Yes — Thuy Nguyen's NPI (1659300010) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.