Quan Nguyen, MD
NPI 1487608766 · Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quan Nguyen, MD is a Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician provider in Stanford, CA (NPI 1487608766).
Provider details
- NPI number
- 1487608766
- Entity type
- Individual
- Primary specialty
- Uveitis and Ocular Inflammatory Disease (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G144498 (CA)
Specialties & taxonomies
- Uveitis and Ocular Inflammatory Disease (Ophthalmology) PhysicianPrimary207WX0108XLicense G144498 (CA)
Allopathic & Osteopathic Physicians
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
20 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
559 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 193 | $162 |
| Imaging of Retina92134 | 132 | $29 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 65 | $26 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 63 | $50 |
| Photography of Content of Eyes92285 | 39 | $3 |
| Measurement of Retinal and Optic Nerve Function92273 | 24 | $42 |
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 |
|---|---|---|
| Ketorolac Tromethamine | 76 | 27 |
| Prednisone | 63 | 24 |
| Prednisolone Acetate | 60 | 36 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 36 | 15 |
| Brimonidine Tartrate | 29 | 11 |
| Mycophenolate Mofetil | 27 | 11 |
| Latanoprost | 25 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$95,699 across 103 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
- 2006-05-20
- Last updated
- 2024-04-04
- Certified
- 2024-04-04
Frequently asked questions
- What is Quan Nguyen's NPI number?
- Quan Nguyen's National Provider Identifier (NPI) is 1487608766, 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 Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Quan Nguyen located?
- Quan Nguyen's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Quan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Quan Nguyen is (650) 723-4000.
- 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 (1487608766) is active in the NPPES registry as of the last update on 2024-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.