NPPES file of Aug 9, 2026

Darcy L. Duzan, O.D.

Optometrist · Charleston, IL

Darcy L. Duzan, O.D. is an optometrist with a practice address in Charleston, Illinois, and NPI 1508886078, issued on Jul 20, 2006. Check the license (Illinois 046009869, as entered in NPPES) with the Illinois 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508886078
Name
Darcy L. Duzan
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
046009869 IL
Self-reported in NPPES; status is on the state search
Practice location
1700 18TH St, Charleston, IL 61920
Phone
(217) 345-6600
Enumerated
Jul 20, 2006
Record last updated
Feb 24, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(217) 345-6622
Medicaid ID
1508886078 IL
Medicare enrollment
Enrolled (PECOS I20060825000325); accepts Medicare assignment
Medical or professional school
Indiana University - School Of Optometry, 2006
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.
Download card Updates feed

Also registered at 1700 18TH St

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

  1. Mark Esarey, O.D.Optometrist1548267099
  2. Derek Hennig, ODOptometrist1215466008

Verify Darcy L. Duzan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 046009869
    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 Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2% more Medicare Part D claims than the average optometrist in 2024

282 Medicare Part D claims for 95 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Darcy Duzan282
  2. Specialty average277

Most prescribed

  1. Latanoprost102 claims
  2. Miebo32 claims
  3. Restasis29 claims
  4. Prednisolone Acetate19 claims
  5. Brimonidine Tartrate15 claims
  6. Cyclosporine12 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.

Industry payments in 2024: $135.65

6 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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. Darcy Duzan$135.65
  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. Lifetime Eye Care PCCharleston, IL

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

Darcy L. Duzan among 2,697 optometrist records in Illinois

Darcy L. Duzan, O.D. is one of 2,697 optometrist records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 63% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2006 · median 2008 among the 1,513 with a school on file
  • Record last updated2012 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 optometrist records list a practice address in Charleston

They are 4 of the 221 NPPES records with a practice address in Charleston, and 2,697 optometrist records in Illinois.

The 8 optometrist records with the nearest ZIP codes

  1. Scott Clarke, O.D.Charleston, IL 619201336209055
  2. Mark Esarey, O.D.Charleston, IL 619201548267099
  3. Derek Hennig, ODCharleston, IL 619201215466008
  4. Luke Armstrong, ODMattoon, IL 619381063030302
  5. Naomi D'Entremont, ODMattoon, IL 619381689909350
  6. Rodney FlemingMattoon, IL 619381841296985
  7. James Goldstein, ODMattoon, IL 619381700874922
  8. Neelum Haqqani, O.D.Mattoon, IL 619381043524721

Common questions

What is Darcy L. Duzan, O.D.'s NPI number?

Darcy L. Duzan, O.D.'s National Provider Identifier (NPI) is 1508886078, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Darcy L. Duzan, O.D. located?

The NPPES record lists a practice address at 1700 18TH St, Charleston, IL, 61920. Phone: (217) 345-6600. Providers update this record themselves, so call before visiting.

How can I verify Darcy L. Duzan, O.D.'s license?

NPPES lists Illinois license number 046009869, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Darcy L. Duzan, O.D. prescribe under Medicare Part D?

In 2024, Darcy L. Duzan, O.D. had 282 Medicare Part D claims for 95 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

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.