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Optometry

Michael L. Kalaher, OD

Sees patients in Marion, IL · Eldorado, IL · Carterville, IL … · Illinois

Summary

Dr. Michael L. Kalaher, OD is an optometrist at 1200 W Deyoung St, Marion, IL 62959. Phone: (618) 993-5686. Accepts Medicare assignment. In 2024, Michael L. Kalaher had 57 Original Medicare patients and 83 services. NPI 1326099524. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 1200 W Deyoung St, Marion, IL 62959 · Directions (3 more locations)
  • Phone: (618) 993‑5686
  • Medicare: Accepts Medicare assignment
  • Group practice: Marion Eye Centers Ltd
  • Optometry school: Indiana University - School Of Optometry · graduated 1989 (37 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael L. Kalaher, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Michael L. Kalaher accept Medicare assignment?
Yes. Medicare's clinician data says Michael L. Kalaher accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Michael L. Kalaher see?
In 2024, CMS data shows 57 Original Medicare patients and 83 services for Michael L. Kalaher. This counts Original Medicare only and measures volume, not quality.
What is Michael L. Kalaher's NPI number?
1326099524. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Michael L. Kalaher, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients57
Services billed to Medicare83
Different services or procedures11
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient complete exam of visual system (92014)32 services
  2. Established patient problem focused exam of visual system (92012)16 services
  3. New patient complete exam of visual system (92004)12 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes49%
  • Arthritis47%
  • Ischemic heart disease30%
  • Anxiety30%

Practice locations

Addresses where Michael L. Kalaher is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael L. Kalaher as a member of this group (CMS data updated October 2, 2026).

  • Marion Eye Centers Ltd39 clinicians in the group

Specialties

Find other clinicians: Optometry, Illinois →

Other optometrists in Marion

Clinicians with the same Medicare primary specialty in Marion, IL — not a recommendation.

All optometrists in Marion →

Other clinicians in Marion Eye Centers Ltd

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialOD
Optometry schoolIndiana University - School Of Optometry
Graduation year1989 (37 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326099524
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians