Thy Nguyen, O.D.
NPI 1750490413 · Optometrist · Garden Grove, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thy Nguyen, O.D. is a Optometrist provider in Garden Grove, CA (NPI 1750490413).
Provider details
- NPI number
- 1750490413
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 12746T (CA)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
206 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 | 79 | $140 |
| Imaging of Optic Nerve92133 | 54 | $39 |
| Established Patient Problem Focused Exam of Visual System92012 | 47 | $99 |
| Exam of Visual Field With Extended Testing92083 | 26 | $67 |
Typical Medicare-allowed amounts for these services range $39–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,021 | 293 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 539 | 147 |
| Bimatoprostbrand: Lumigan | 502 | 123 |
| Cyclosporinebrand: Restasis | 365 | 74 |
| Prednisolone Acetate | 244 | 140 |
| Cyclosporine | 242 | 69 |
| Brimonidine Tartrate | 146 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$298 across 13 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 (2)
- 1640 Newport Blvd Ste 220Costa Mesa, CA 92627-3786Phone: (949) 876-5046
- 18582 Main StHuntington Beach, CA 92648-1701Phone: (714) 843-5700
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2024-11-13
- Certified
- 2024-11-13
Frequently asked questions
- What is Thy Nguyen's NPI number?
- Thy Nguyen's National Provider Identifier (NPI) is 1750490413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thy Nguyen's specialty?
- Thy Nguyen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Thy Nguyen located?
- Thy Nguyen's practice location on file with NPPES is 12828 Harbor Blvd Ste 330, Garden Grove, CA 92840-5834.
- What is Thy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thy Nguyen is (714) 534-8100.
- Does Thy Nguyen accept Medicare?
- Thy Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thy Nguyen's NPI active?
- Yes — Thy Nguyen's NPI (1750490413) is active in the NPPES registry as of the last update on 2024-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.