Registry data as of Aug 27, 2026

Jeffrey Dzik, O.D.

Optometrist · Princeton, IL

Jeffrey Dzik, O.D. is an optometrist with a practice address in Princeton, Illinois, and NPI 1912932807, issued on Jul 11, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1912932807
Name
Jeffrey Dzik
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
Practice location
2111 Claude Bailey Pkwy, Princeton, IL 61356
Phone
(815) 875-4521
Enumerated
Jul 11, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2111 Claude Bailey Pkwy

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

  1. Laurie Gleason, PHARMACISTPharmacist1588205652
  2. Thomas KovacicPharmacist1023619459
  3. Michelle Schramm, PHARMDPharmacist1538773957

Verify Jeffrey Dzik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

29% fewer Medicare Part D claims than the average optometrist in 2024

197 Medicare Part D claims for 55 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Jeffrey Dzik197
  2. Specialty average279

Most prescribed

  1. Latanoprost57 claims
  2. Neomycin-Polymyxin-Dexameth31 claims
  3. Timolol Maleate28 claims
  4. Brimonidine Tartrate19 claims
  5. Dorzolamide Hcl11 claims
  6. Prednisolone Acetate11 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.

3 optometrist records list a Princeton practice address

They are 3 of the 126 NPPES records with a Princeton practice address, and 2,629 optometrist records in Illinois.

Other optometrist records in Illinois

  1. Marvin Aal, O.D.Chicago, IL1184634180
  2. Russul Abbas, ODGurnee, IL1285129007
  3. Sarah Abbott, ODPark Ridge, IL1881333565
  4. Mahmud Abdallah, ODAlsip, IL1417501248
  5. Nada AbdallahDeerfield, IL1669206066
  6. Saul Abraham, O.D.Mt Prospect, IL1285772400
  7. Jodi Acharya, O.D.Arlington Heights, IL1982769469
  8. Treacy Adamo, O.D.Hinsdale, IL1043395254
  9. Carla Adams, O.D.St Charles, IL1720199409
  10. Renee Adams, ODLawrenceville, IL1437220712

Common questions

What is Jeffrey Dzik, O.D.'s NPI number?

Jeffrey Dzik, O.D.'s National Provider Identifier (NPI) is 1912932807, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Dzik, O.D. located?

The NPPES record lists a practice address at 2111 Claude Bailey Pkwy, Princeton, IL, 61356. Phone: (815) 875-4521. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Dzik, O.D.'s license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Jeffrey Dzik, O.D. prescribe under Medicare Part D?

In 2024, Jeffrey Dzik, O.D. had 197 Medicare Part D claims for 55 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.