NPPES file of Aug 9, 2026

Nikolaos Christos Zagorianos, O.D.

Optometrist · Louisville, KY

Nikolaos Christos Zagorianos, O.D. is an optometrist with a practice address in Louisville, Kentucky, and NPI 1083092126, issued on May 8, 2015. Check the license (Kentucky 1975DT, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083092126
Name
Nikolaos Christos Zagorianos
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
1975DT KY
18003891A IN
8434T TX
Self-reported in NPPES; status is on the state search
Practice location
1935 Bluegrass Ave, Louisville, KY 40215
Phone
(502) 364-0033
Enumerated
May 8, 2015
Record last updated
Apr 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(502) 361-4488
Medicaid IDs
7100359770 KY
201308240 IN
Medicare enrollment
Enrolled (PECOS I20150709000175); accepts Medicare assignment
Medical or professional school
University Of Houston - College Of Optometry, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1935 Bluegrass Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Donald Bennett, OD MDOphthalmology Physician1013991165
  2. Steven Bloom, MDOphthalmology Physician1346224409
  3. Dina English, MSSW, CSWClinical Social Worker1124290408
  4. Molly IsaacsOptometrist1144176801
  5. Austin Lifferth, ODOptometrist1134106636
  6. Theodore LuckeyAddiction (Substance Use Disorder) Counselor1437346731

Verify Nikolaos Christos Zagorianos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
    Search for license 1975DT
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Kentucky license search

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16.9 times the Medicare Part D claims of the average optometrist in 2024

4,687 Medicare Part D claims for 985 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Nikolaos Zagorianos4,687
  2. Specialty average277

Most prescribed

  1. Latanoprost915 claims
  2. Dorzolamide-Timolol603 claims
  3. Lumigan441 claims
  4. Brimonidine Tartrate376 claims
  5. Prednisolone Acetate335 claims
  6. Timolol Maleate254 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 98.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score98.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,091.60

44 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nikolaos Zagorianos$1,091.60
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Eye Centers OF Louisville,pscGlasgow, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Optometrist providers in Kentucky

There are 803 optometrist records in Kentucky.

Other optometrist records in Kentucky

  1. Thomas Abell, ODCampbellsville, KY1942833397
  2. Larry Abney, ODLeitchfield, KY1487646527
  3. John Adams, O.D.Owensboro, KY1730191602
  4. John Adams, O.D.Winchester, KY1497900070
  5. Kevin Adams, ODMurray, KY1184782609
  6. Mattie Adams, ODElizabethtown, KY1861064958
  7. Rebecca Adams, O.D.Louisville, KY1568080315
  8. Stefanie Adams, ODGeorgetown, KY1750669198
  9. Addy Adkisson, ODLouisville, KY1255181582
  10. Bilal Ahmad, O.D.Lexington, KY1003224809

Common questions

What is Nikolaos Christos Zagorianos, O.D.'s NPI number?

Nikolaos Christos Zagorianos, O.D.'s National Provider Identifier (NPI) is 1083092126, issued on May 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nikolaos Christos Zagorianos, O.D. located?

The NPPES record lists a practice address at 1935 Bluegrass Ave, Louisville, KY, 40215. Phone: (502) 364-0033. Providers update this record themselves, so call before visiting.

How can I verify Nikolaos Christos Zagorianos, O.D.'s license?

NPPES lists Kentucky license number 1975DT, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.

How much does Nikolaos Christos Zagorianos, O.D. prescribe under Medicare Part D?

In 2024, Nikolaos Christos Zagorianos, O.D. had 4,687 Medicare Part D claims for 985 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Nikolaos Christos Zagorianos, O.D.'s MIPS final score?

The 2023 MIPS final score is 98.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.