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Optometry

James B. Sowinski, OD

Sees patients in Bourbonnais, IL · Illinois

Summary

James B. Sowinski, OD (Optometry) is enrolled with Medicare at 1 practice location in Bourbonnais, IL. NPI 1679659775. 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 B. Sowinski, 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
25Years since medical school (graduated 2001)
Illinois College Of Optometry At ChicagoMedical school
MaleGender (as listed)
Brent Dunlap Od PCGroup practice

Quick answers

Where does James B. Sowinski see patients?
Medicare's clinician data lists 1 practice location in Bourbonnais, IL. Call before your visit to confirm the address.
What is James B. Sowinski's specialty?
Medicare lists Optometry as the primary specialty.
Does James B. Sowinski accept Medicare assignment?
Yes. Medicare's clinician data says James B. Sowinski 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 B. Sowinski?
(815) 932-1116, as listed in official Medicare / NPI Registry data.
What is James B. Sowinski's NPI number?
1679659775. 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 B. Sowinski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Brent Dunlap Od PC3 clinicians in the group

Specialties

Find other clinicians: Optometry, Illinois →

Other optometrists in Bourbonnais

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

All optometrists in Bourbonnais →

Clinician information

CredentialOD
Medical schoolIllinois College Of Optometry At Chicago
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679659775
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