Registry data as of Aug 27, 2026

Ralph Gebert, OD

Optometrist · Chicago, IL

Ralph Gebert, OD is an optometrist with a practice address in Chicago, Illinois, and NPI 1720151152, issued on Nov 15, 2006. Check the license (Illinois 046007094, 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
1720151152
Name
Ralph Gebert
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
046007094 IL
Self-reported in NPPES; status is on the state search
Practice location
3500 W Peterson Ave, Chicago, IL 60659
Phone
(773) 588-3090
Enumerated
Nov 15, 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 3500 W Peterson Ave

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

  1. Marianna Bilis, O.D.Optometrist1912976044
  2. Howard Blivaiss, DDSGeneral Practice Dentistry1922168954
  3. Julie Bruce, O.D.Optometrist1144419847
  4. Jennifer Bulmann, O.D.Optometrist1811980964
  5. Lawrence Magee, ODOptometrist1982777306
  6. Charles Ovitsky, O.DOptometrist1558313189

Verify Ralph Gebert 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 046007094
    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.

Industry payments in 2024: $16.52

1 payment, mostly food and beverage; the largest payer was Bausch & Lomb Americas Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ralph Gebert$16.52
  2. Specialty average$749.79

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

Optometrist providers in Illinois

There are 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 Ralph Gebert, OD's NPI number?

Ralph Gebert, OD's National Provider Identifier (NPI) is 1720151152, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Gebert, OD located?

The NPPES record lists a practice address at 3500 W Peterson Ave, Chicago, IL, 60659. Phone: (773) 588-3090. Providers update this record themselves, so call before visiting.

How can I verify Ralph Gebert, OD's license?

NPPES lists Illinois license number 046007094, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.