Khoa Nguyen, M.D.
NPI 1518982057 · Ophthalmology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khoa Nguyen, M.D. is a Ophthalmology Physician provider in San Jose, CA (NPI 1518982057).
Provider details
- NPI number
- 1518982057
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 00A500840 (CA)
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
19 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
600 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 Problem Focused Exam of Visual System92012 | 144 | $114 |
| Established Patient Complete Exam of Visual System92014 | 142 | $160 |
| Photography of the Retina92250 | 107 | $47 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $155 |
| Imaging of Optic Nerve92133 | 79 | $46 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $198 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporinebrand: Restasis | 625 | 180 |
| Cyclosporine | 347 | 138 |
| Latanoprost | 289 | 91 |
| Brimonidine Tartrate | 150 | 64 |
| Timolol Maleate | 139 | 43 |
| Prednisolone Acetate | 115 | 63 |
| Bimatoprostbrand: Lumigan | 109 | 30 |
| Erythromycin Basebrand: Erythromycin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$380 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
- 2006-07-13
- Last updated
- 2007-09-28
Frequently asked questions
- What is Khoa Nguyen's NPI number?
- Khoa Nguyen's National Provider Identifier (NPI) is 1518982057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khoa Nguyen's specialty?
- Khoa Nguyen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Khoa Nguyen located?
- Khoa Nguyen's practice location on file with NPPES is 2100 Forest Ave, San Jose, CA 95128-1422.
- What is Khoa Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Khoa Nguyen is (408) 993-8071.
- Does Khoa Nguyen accept Medicare?
- Khoa Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khoa Nguyen's NPI active?
- Yes — Khoa Nguyen's NPI (1518982057) is active in the NPPES registry as of the last update on 2007-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.