DR. BRETT ALAN SOBIERALSKI O.D.
NPI 1649405218
Optometrist in Belleville, IL
About Dr. Brett Alan Sobieralski O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRETT ALAN SOBIERALSKI O.D. (NPI 1649405218) is an individual optometrist in Belleville, Illinois, licensed in Illinois (046010245) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of University Of Missouri St Louis - School Of Optometry (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Brett Alan Sobieralski O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Brett Sobieralski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Swansea, IL 62226
- Reassigned Medicare billing, Illinois enrollment
- 32 clinicians in this Medicare group
Ballwin, MO 63011
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Clarkson Optometry Illinois, PC
- 34 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Brett Sobieralski's NPI number?
The NPI number for Brett Sobieralski is 1649405218. It was assigned to this individual provider in the NPPES registry on May 26, 2009.
Where is Brett Sobieralski located?
Brett Sobieralski practices at 2525 Green Mount Commons Dr Ste 290, Belleville, IL 62221. The listed phone number is (618) 233-7800.
What is Brett Sobieralski's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Brett Sobieralski enrolled in Medicare?
Yes. Brett Sobieralski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Brett Sobieralski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Sobieralski reassigns Medicare benefits to 2 organizations: Jfj Eyecare, Ltd (Swansea, IL) and Clarkson Optometry Illinois, P.C. (Ballwin, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brett Sobieralski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brett Sobieralski accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 16 other insurers list Brett Sobieralski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Brett Sobieralski was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.