Registry data as of Aug 27, 2026

John Bartlett, O.D.

Optometrist · Glen Ellyn, IL

John Bartlett, O.D. is an optometrist with a practice address in Glen Ellyn, Illinois, and NPI 1225183999, issued on Jan 24, 2007. Check the license (Illinois 46-7734, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1225183999
Name
John Bartlett
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
46-7734 IL
ODP-100332 ID
Self-reported in NPPES; status is on the state search
Practice location
510 N Main St, Glen Ellyn, IL 60137
Phone
(630) 858-3937
Enumerated
Jan 24, 2007
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 510 N Main St

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

  1. Tom Panos, O.D.Optometrist1629127881
  2. Regina SchwanOptometrist1780781567

Verify John Bartlett 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 46-7734
    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.

87% fewer Medicare Part D claims than the average optometrist in 2024

37 Medicare Part D claims, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.

  1. John Bartlett37
  2. Specialty average279

Most prescribed

  1. Latanoprost15 claims
  2. Simbrinza11 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.

11 optometrist records list a Glen Ellyn practice address

They are 11 of the 684 NPPES records with a Glen Ellyn 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 John Bartlett, O.D.'s NPI number?

John Bartlett, O.D.'s National Provider Identifier (NPI) is 1225183999, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Bartlett, O.D. located?

The NPPES record lists a practice address at 510 N Main St, Glen Ellyn, IL, 60137. Phone: (630) 858-3937. Providers update this record themselves, so call before visiting.

How can I verify John Bartlett, O.D.'s license?

NPPES lists Illinois license number 46-7734, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does John Bartlett, O.D. prescribe under Medicare Part D?

In 2024, John Bartlett, O.D. had 37 Medicare Part D claims; 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.