Quang Nguyen, M.D.
NPI 1689636250 · Ophthalmology Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quang Nguyen, M.D. is a Ophthalmology Physician provider in La Jolla, CA (NPI 1689636250).
Provider details
- NPI number
- 1689636250
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A66031 (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
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
7,932 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 2,229 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,476 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,106 | $97 |
| Imaging of Optic Nerve92133 | 992 | $40 |
| Exam of Visual Field With Extended Testing92083 | 861 | $71 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,797 | 526 |
| Bimatoprostbrand: Lumigan | 627 | 189 |
| Prednisolone Acetate | 444 | 237 |
| Timolol Maleate | 330 | 99 |
| Latanoprostene Bunodbrand: Vyzulta | 242 | 70 |
| Moxifloxacin Hclbrand: Moxifloxacin | 238 | 171 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 187 | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105,792 across 184 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
- 2006-04-06
- Last updated
- 2009-06-26
Frequently asked questions
- What is Quang Nguyen's NPI number?
- Quang Nguyen's National Provider Identifier (NPI) is 1689636250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quang Nguyen's specialty?
- Quang Nguyen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Quang Nguyen located?
- Quang Nguyen's practice location on file with NPPES is 10666 N Torrey Pines Rd, La Jolla, CA 92037-1027.
- What is Quang Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Quang Nguyen is (858) 554-7996.
- Does Quang Nguyen accept Medicare?
- Quang Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quang Nguyen's NPI active?
- Yes — Quang Nguyen's NPI (1689636250) is active in the NPPES registry as of the last update on 2009-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.