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Optometry

James D. Hollmann

Sees patients in Columbia, IL · Illinois

Summary

James D. Hollmann (Optometry) is enrolled with Medicare at 1 practice location in Columbia, IL. NPI 1578533410. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James D. Hollmann, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
University Of Missouri St Louis - School Of OptometryMedical school
MaleGender (as listed)
Clarkson Optometry Illinois, PCGroup practice

Quick answers

Where does James D. Hollmann see patients?
Medicare's clinician data lists 1 practice location in Columbia, IL. Call before your visit to confirm the address.
What is James D. Hollmann's specialty?
Medicare lists Optometry as the primary specialty.
Does James D. Hollmann accept Medicare assignment?
Yes. Medicare's clinician data says James D. Hollmann accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for James D. Hollmann?
(618) 281-8611, as listed in official Medicare / NPI Registry data.
What is James D. Hollmann's NPI number?
1578533410. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where James D. Hollmann is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James D. Hollmann as a member of this group (CMS data updated 2026-10-02).

  • Clarkson Optometry Illinois, PC16 clinicians in the group

Specialties

Find other clinicians: Optometry, Illinois →

Other optometrists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All optometrists in Illinois →

Clinician information

Medical schoolUniversity Of Missouri St Louis - School Of Optometry
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578533410
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians