Nikolaos Zagorianos, O.D.
NPI 1083092126 · Optometrist · Louisville, KY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nikolaos Zagorianos, O.D. is a Optometrist provider in Louisville, KY (NPI 1083092126).
Provider details
- NPI number
- 1083092126
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 8434T (TX)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
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
11 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
5,426 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,163 | $121 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 786 | $1 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 767 | $86 |
| Imaging of Retina92134 | 487 | $37 |
| Exam of Visual Field With Extended Testing92083 | 466 | $59 |
| Imaging of Optic Nerve92133 | 369 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 915 | 235 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 603 | 176 |
| Bimatoprostbrand: Lumigan | 441 | 112 |
| Brimonidine Tartrate | 376 | 102 |
| Prednisolone Acetate | 335 | 213 |
| Timolol Maleate | 254 | 66 |
| Travoprost | 116 | 27 |
| Moxifloxacin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,092 across 44 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
- 2015-05-08
- Last updated
- 2020-04-16
- Certified
- 2020-04-16
Frequently asked questions
- What is Nikolaos Zagorianos's NPI number?
- Nikolaos Zagorianos's National Provider Identifier (NPI) is 1083092126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nikolaos Zagorianos's specialty?
- Nikolaos Zagorianos is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nikolaos Zagorianos located?
- Nikolaos Zagorianos's practice location on file with NPPES is 1935 Bluegrass Ave, Louisville, KY 40215-1179.
- What is Nikolaos Zagorianos's phone number?
- The practice phone number listed in the NPPES registry for Nikolaos Zagorianos is (502) 364-0033.
- Does Nikolaos Zagorianos accept Medicare?
- Nikolaos Zagorianos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nikolaos Zagorianos's NPI active?
- Yes — Nikolaos Zagorianos's NPI (1083092126) is active in the NPPES registry as of the last update on 2020-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.