Hau Nguyen, M.D.
NPI 1528155835 · Ophthalmology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hau Nguyen, M.D. is a Ophthalmology Physician provider in San Jose, CA (NPI 1528155835).
Provider details
- NPI number
- 1528155835
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A80220 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
502 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Problem Focused Exam of Visual System92012 | 254 | $59 |
| Imaging of Optic Nerve92133 | 62 | $25 |
| Exam of the Internal Drainage System of Eye92020 | 39 | $24 |
| Established Patient Complete Exam of Visual System92014 | 31 | $89 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 30 | $663 |
| Exam of Visual Field With Extended Testing92083 | 29 | $32 |
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 |
|---|---|---|
| Latanoprost | 503 | 119 |
| Brimonidine Tartrate | 306 | 79 |
| Timolol Maleate | 262 | 75 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 224 | 62 |
| Dorzolamide Hcl | 171 | 43 |
| Prednisolone Acetate | 157 | 92 |
| Netarsudil Mesylatebrand: Rhopressa | 138 | 22 |
| Bimatoprost |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2012-02-27
Frequently asked questions
- What is Hau Nguyen's NPI number?
- Hau Nguyen's National Provider Identifier (NPI) is 1528155835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hau Nguyen's specialty?
- Hau Nguyen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Hau Nguyen located?
- Hau Nguyen's practice location on file with NPPES is 751 S Bascom Ave, San Jose, CA 95128-2604.
- What is Hau Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hau Nguyen is (408) 885-6770.
- Does Hau Nguyen accept Medicare?
- Hau Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hau Nguyen's NPI active?
- Yes — Hau Nguyen's NPI (1528155835) is active in the NPPES registry as of the last update on 2012-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.