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Optometry

Larry H. Nierman, OD

Sees patients in Long Grove, IL · Berwyn, IL · Illinois

Summary

Larry H. Nierman, OD (Optometry) is enrolled with Medicare at 3 practice locations in Long Grove, IL and Berwyn, IL. NPI 1891839114. 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 Larry H. Nierman, 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
50Years since medical school (graduated 1976)
Illinois College Of Optometry At ChicagoMedical school
MaleGender (as listed)
Rosin Optical Co IncGroup practice

Quick answers

Where does Larry H. Nierman see patients?
Medicare's clinician data lists 3 practice locations, including Long Grove, IL and Berwyn, IL. Call before your visit to confirm the address.
What is Larry H. Nierman's specialty?
Medicare lists Optometry as the primary specialty.
Does Larry H. Nierman accept Medicare assignment?
Yes. Medicare's clinician data says Larry H. Nierman 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 Larry H. Nierman?
(847) 955-9999, as listed in official Medicare / NPI Registry data.
What is Larry H. Nierman's NPI number?
1891839114. 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 Larry H. Nierman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Larry H. Nierman as a member of this group (CMS data updated 2026-10-02).

  • Rosin Optical Co Inc51 clinicians in the group

Specialties

Find other clinicians: Optometry, Illinois →

Other optometrists in Long Grove

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

All optometrists in Long Grove →

Clinician information

CredentialOD
Medical schoolIllinois College Of Optometry At Chicago
Graduation year1976
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891839114
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