Filbert Nguyen, MD
NPI 1437443983 · Ophthalmology Physician · Woodland, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Filbert Nguyen, MD is a Ophthalmology Physician provider in Woodland, CA (NPI 1437443983).
Provider details
- NPI number
- 1437443983
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- BP10041526 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
2,609 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 | 595 | $141 |
| Imaging of Retina92134 | 285 | $43 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 262 | $46 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 258 | $596 |
| Established Patient Problem Focused Exam of Visual System92012 | 258 | $101 |
| New Patient Complete Exam of Visual System92004 | 231 | $168 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 822 | 206 |
| Prednisolone Acetate | 244 | 212 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 187 | 52 |
| Timolol Maleate | 149 | 51 |
| Cyclosporine | 64 | 18 |
| Bimatoprostbrand: Lumigan | 57 | 13 |
| Travoprost | 51 | 13 |
| Brimonidine Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,043 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
- 2011-06-01
- Last updated
- 2018-10-30
Frequently asked questions
- What is Filbert Nguyen's NPI number?
- Filbert Nguyen's National Provider Identifier (NPI) is 1437443983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Filbert Nguyen's specialty?
- Filbert Nguyen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Filbert Nguyen located?
- Filbert Nguyen's practice location on file with NPPES is 1321 Cottonwood St Ste 202, Woodland, CA 95695-5131.
- What is Filbert Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Filbert Nguyen is (530) 668-2600.
- Does Filbert Nguyen accept Medicare?
- Filbert Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Filbert Nguyen's NPI active?
- Yes — Filbert Nguyen's NPI (1437443983) is active in the NPPES registry as of the last update on 2018-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.