Loan Nguyen, M.D.
NPI 1922168715 · Ophthalmology Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Loan Nguyen, M.D. is a Ophthalmology Physician provider in Fresno, CA (NPI 1922168715).
Provider details
- NPI number
- 1922168715
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A509810 (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
2,058 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 412 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 345 | $129 |
| Photography of the Retina92250 | 326 | $38 |
| Imaging of Optic Nerve92133 | 180 | $37 |
| Exam of the Internal Drainage System of Eye92020 | 160 | $28 |
| Exam of Visual Field With Extended Testing92083 | 150 | $66 |
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 |
|---|---|---|
| Latanoprost | 309 | 84 |
| Brimonidine Tartrate | 190 | 58 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 111 | 82 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 98 | 25 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 88 | 30 |
| Timolol Maleate | 77 | 27 |
| Dorzolamide Hcl | 72 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$260 across 8 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
- 2006-12-11
- Last updated
- 2023-03-07
Frequently asked questions
- What is Loan Nguyen's NPI number?
- Loan Nguyen's National Provider Identifier (NPI) is 1922168715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loan Nguyen's specialty?
- Loan Nguyen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Loan Nguyen located?
- Loan Nguyen's practice location on file with NPPES is 6767 N Fresno St, Fresno, CA 93710-3709.
- What is Loan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Loan Nguyen is (559) 432-1000.
- Does Loan Nguyen accept Medicare?
- Loan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Loan Nguyen's NPI active?
- Yes — Loan Nguyen's NPI (1922168715) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.