GREG S KOMESHAK D.C.
NPI 1265502611
Chiropractor in O Fallon, IL

Active since November 09, 2006Accepts Medicare Assignment
705 W US HIGHWAY 50, O FALLON, IL 62269(618) 624-4242(618) 624-5127 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Greg S Komeshak D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREG S KOMESHAK D.C. (NPI 1265502611) is an individual chiropractor in O Fallon, Illinois, licensed in Illinois (038009537) and active in the NPI registry since November 2006. He is a graduate of Logan College Of Chiropractic (2001).

NPPES Registry Identity

NPI1265502611
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameGREG S KOMESHAKCredential: D.C.
Location Address705 W US HIGHWAY 50O Fallon, IL 62269-1900
Mailing Address705 W Us Highway 50O Fallon, IL 62269-1900 · (618) 624-4242 · Fax (618) 624-5127
Fax(618) 624-5127
Sole ProprietorYes
Medical School CMSLogan College Of ChiropracticGraduated 2001
Enumeration DateNovember 9, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1265502611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IL · 038009537
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
705 W US HIGHWAY 50, O Fallon, IL 62269

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

Greg S Komeshak D.c. 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.

PECOS PAC ID6800872078
PECOS Enrollment IDI20040628001042

Medicare Billing Reassignment

Medicare enrollment records show Greg Komeshak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chiropractor
705 W HIGHWAY 50
O Fallon, IL 62269
  • Reassigned Medicare billing, Illinois enrollment

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Chiropractor
705 W US HIGHWAY 50
O FALLON, IL 62269
Chiropractor
705 W US HIGHWAY 50
O FALLON, IL 62269

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 Greg Komeshak's NPI number?

The NPI number for Greg Komeshak is 1265502611. It was assigned to this individual provider in the NPPES registry on November 9, 2006.

Where is Greg Komeshak located?

Greg Komeshak practices at 705 W Us Highway 50, O Fallon, IL 62269. The listed phone number is (618) 624-4242.

What is Greg Komeshak's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Greg Komeshak enrolled in Medicare?

Yes. Greg Komeshak 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 organization bills Medicare for Greg Komeshak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greg Komeshak reassigns Medicare benefits to Solwis Health Centers LLC (O Fallon, IL). The 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 Greg Komeshak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Greg Komeshak was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.