Tran Nguyen, D.O.
NPI 1972915668 · Ophthalmology Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tran Nguyen, D.O. is a Ophthalmology Physician provider in Round Rock, TX (NPI 1972915668).
Provider details
- NPI number
- 1972915668
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 69142-21 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,127 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 Complete Exam of Visual System92014 | 211 | $120 |
| Imaging of Optic Nerve92133 | 130 | $35 |
| Established Patient Problem Focused Exam of Visual System92012 | 125 | $85 |
| Exam of Visual Field With Extended Testing92083 | 121 | $59 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $123 |
| New Patient Complete Exam of Visual System92004 | 88 | $142 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 296 | 110 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 233 | 91 |
| Brimonidine Tartrate | 130 | 51 |
| Timolol Maleate | 107 | 40 |
| Prednisolone Acetate | 98 | 72 |
| Moxifloxacin Hclbrand: Moxifloxacin | 87 | 63 |
| Bimatoprostbrand: Lumigan | 74 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,778 across 28 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
Additional practice locations (4)
- 3204 Northwest BlvdGeorgetown, TX 78628-4201Phone: (122) 447-2005Fax: (512) 868-3907
- 605 Crystal Falls PkwyLeander, TX 78641-3613Phone: (512) 244-7200Fax: (512) 868-3907
- 301 Seton Pkwy Ste 100Round Rock, TX 78665-8003Phone: (512) 244-7200Fax: (512) 868-3937
- 2880 University AveMadison, WI 53705Phone: (608) 263-7171Fax: (608) 265-8060
Registry dates
- Enumerated
- 2014-05-29
- Last updated
- 2023-11-17
- Certified
- 2023-11-17
Frequently asked questions
- What is Tran Nguyen's NPI number?
- Tran Nguyen's National Provider Identifier (NPI) is 1972915668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tran Nguyen's specialty?
- Tran Nguyen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Tran Nguyen located?
- Tran Nguyen's practice location on file with NPPES is 4337 Teravista Club Dr Ste 100, Round Rock, TX 78665-1647.
- What is Tran Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tran Nguyen is (512) 244-7200.
- Does Tran Nguyen accept Medicare?
- Tran Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tran Nguyen's NPI active?
- Yes — Tran Nguyen's NPI (1972915668) is active in the NPPES registry as of the last update on 2023-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.