Frank Won, O.D.
NPI 1285751420 · Optometrist · Enfield, CT
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Won, O.D. is a Optometrist provider in Enfield, CT (NPI 1285751420).
Provider details
- NPI number
- 1285751420
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- TUV007114 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
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
242 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 | 107 | $104 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 50 | $65 |
| Imaging of Optic Nerve92133 | 31 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $146 |
| Imaging of Retina92134 | 17 | $46 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 80 | 25 |
| Cyclosporinebrand: Restasis | 17 | — |
| Timolol Maleate | 15 | — |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 15 | 14 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 14 | 14 |
| Travoprost | 14 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$792 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
- 2007-03-23
- Last updated
- 2025-10-07
- Certified
- 2025-10-07
Frequently asked questions
- What is Frank Won's NPI number?
- Frank Won's National Provider Identifier (NPI) is 1285751420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Won's specialty?
- Frank Won is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Frank Won located?
- Frank Won's practice location on file with NPPES is 1699 King St Ste 102, Enfield, CT 06082-6052.
- What is Frank Won's phone number?
- The practice phone number listed in the NPPES registry for Frank Won is (855) 295-4144.
- Does Frank Won accept Medicare?
- Frank Won is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Won's NPI active?
- Yes — Frank Won's NPI (1285751420) is active in the NPPES registry as of the last update on 2025-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.