Quan Nguyen, O.D.
NPI 1144584400 · Optometrist · Houston, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quan Nguyen, O.D. is a Optometrist provider in Houston, TX (NPI 1144584400).
Provider details
- NPI number
- 1144584400
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8027T (TX)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
157 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $91 |
| Photography of the Retina92250 | 35 | $37 |
| Established Patient Complete Exam of Visual System92014 | 34 | $125 |
| Exam of Visual Field With Extended Testing92083 | 20 | $63 |
| Imaging of Optic Nerve92133 | 19 | $33 |
| Established Patient Problem Focused Exam of Visual System92012 | 12 | $88 |
Typical Medicare-allowed amounts for these services range $33–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporinebrand: Restasis | 313 | 89 |
| Azelastine Hcl | 299 | 134 |
| Latanoprost | 241 | 79 |
| Lifitegrastbrand: Xiidra | 179 | 62 |
| Prednisolone Acetate | 74 | 65 |
| Erythromycin Basebrand: Erythromycin | 70 | 33 |
| Bimatoprostbrand: Lumigan | 68 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$758 across 11 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
- 2012-07-01
- Last updated
- 2021-09-23
- Certified
- 2021-09-23
Frequently asked questions
- What is Quan Nguyen's NPI number?
- Quan Nguyen's National Provider Identifier (NPI) is 1144584400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quan Nguyen's specialty?
- Quan Nguyen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Quan Nguyen located?
- Quan Nguyen's practice location on file with NPPES is 10080 Bellaire Blvd Ste 105, Houston, TX 77072-5249.
- What is Quan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Quan Nguyen is (713) 774-3211.
- Does Quan Nguyen accept Medicare?
- Quan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quan Nguyen's NPI active?
- Yes — Quan Nguyen's NPI (1144584400) is active in the NPPES registry as of the last update on 2021-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.