NPPES file of Aug 9, 2026

John J. Geiser, OD

Optometrist · Lacon, IL

John J. Geiser, OD is an optometrist with a practice address in Lacon, Illinois, and NPI 1578580189, issued on Jul 17, 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, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578580189
Name
John J. Geiser
Credential
OD
Primary taxonomy
Optometrist 152W00000X
Practice location
114 5TH St, Lacon, IL 61540
Phone
(309) 246-8177
Enumerated
Jul 17, 2006
Record last updated
Mar 10, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(309) 246-3472
Medicare enrollment
Enrolled (PECOS I20100721000439); accepts Medicare assignment
Medical or professional school
Indiana University - School Of Optometry, 1972
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 114 5TH St

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

  1. Kimberly Yee, ODOptometrist1124533047

Verify John J. Geiser 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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66% fewer Medicare Part D claims than the average optometrist in 2024

93 Medicare Part D claims for 51 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. John Geiser93
  2. Specialty average277

Most prescribed

  1. Neomycin-Polymyxin-Dexameth57 claims
  2. Latanoprost11 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 MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

2 optometrist records list a practice address in Lacon

They are 2 of the 20 NPPES records with a practice address in Lacon, and 2,697 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. Aarlan Aceto, ODDowners Grove, IL1013064385
  8. Jodi Acharya, O.D.Arlington Heights, IL1982769469
  9. Treacy Adamo, O.D.Hinsdale, IL1043395254
  10. Carla Adams, O.D.St Charles, IL1720199409

Common questions

What is John J. Geiser, OD's NPI number?

John J. Geiser, OD's National Provider Identifier (NPI) is 1578580189, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John J. Geiser, OD located?

The NPPES record lists a practice address at 114 5TH St, Lacon, IL, 61540. Phone: (309) 246-8177. Providers update this record themselves, so call before visiting.

How can I verify John J. Geiser, OD's license?

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

How much does John J. Geiser, OD prescribe under Medicare Part D?

In 2024, John J. Geiser, OD had 93 Medicare Part D claims for 51 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is John J. Geiser, OD's MIPS final score?

The 2023 MIPS final score is 0 of 100. 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.