Ly Nguyen, M.D.
NPI 1942237193 · Ophthalmology Physician · St Cloud, FL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ly Nguyen, M.D. is a Ophthalmology Physician provider in St Cloud, FL (NPI 1942237193).
Provider details
- NPI number
- 1942237193
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- ME 94908 (FL)
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
20 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
3,507 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 Complete Exam of Visual System92014 | 1,369 | $126 |
| Photography of the Retina92250 | 539 | $37 |
| Imaging of Retina92134 | 319 | $40 |
| Exam of Visual Field With Extended Testing92083 | 318 | $63 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 177 | $172 |
| Imaging of Optic Nerve92133 | 168 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 541 | 135 |
| Brimonidine Tartrate | 311 | 135 |
| Prednisolone Acetate | 254 | 137 |
| Diclofenac Sodium | 242 | 134 |
| Ofloxacin | 173 | 113 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 170 | 110 |
| Timolol Maleate | 162 | 50 |
| Cyclosporinebrand: Restasis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-26
- Last updated
- 2023-03-07
Frequently asked questions
- What is Ly Nguyen's NPI number?
- Ly Nguyen's National Provider Identifier (NPI) is 1942237193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ly Nguyen's specialty?
- Ly Nguyen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ly Nguyen located?
- Ly Nguyen's practice location on file with NPPES is 4691 Old Canoe Creek Road, St Cloud, FL 34769.
- What is Ly Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Ly Nguyen is (407) 891-2010.
- Does Ly Nguyen accept Medicare?
- Ly Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ly Nguyen's NPI active?
- Yes — Ly Nguyen's NPI (1942237193) 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.