JOHN G. BUSH, DO LTD
NPI 1679775423
Obstetrics & Gynecology in Frankfort, IL
About John G. Bush, Do Ltd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN G. BUSH, DO LTD (NPI 1679775423) is a healthcare organization registered as an obstetrics & gynecology in Frankfort, Illinois and active in the NPI registry since June 2007. The organization holds a CLIA Waiver certificate valid through June 17, 2027 and lists John Gregory Bush, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John G. Bush, Do Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to John G. Bush, Do Ltd, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 14D1013821
John G Bush & Associates · Frankfort, ILFrequently 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 John G. Bush, Do Ltd's NPI number?
The NPI number for John G. Bush, Do Ltd is 1679775423. It was assigned to this organization in the NPPES registry on June 4, 2007.
Where is John G. Bush, Do Ltd located?
John G. Bush, Do Ltd is located at 222 Colorado Ave., Frankfort, IL 60423. The listed phone number is (815) 469-6646.
What is John G. Bush, Do Ltd's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John G. Bush, Do Ltd enrolled in Medicare?
Yes. John G. Bush, Do Ltd is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John G. Bush, Do Ltd?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to John G. Bush, Do Ltd. A 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 the clinician's services. Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does John G. Bush, Do Ltd hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 14D1013821) is associated with this NPI, valid through June 17, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for John G. Bush, Do Ltd was last updated on November 25, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# John G. Bush, Do Ltd · NPI 1679775423
Obstetrics & Gynecology organization in Frankfort, Illinois. Organization record, active in the CMS NPPES registry since June 4, 2007.
## Identity
- **NPI:** 1679775423 (Entity type: Organization)
- **Enumerated:** June 4, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Organization subpart:** No
- **Authorized official:** John Bush, PRESIDENT
## Practice location
- **Address:** 222 COLORADO AVE., Frankfort, IL 60423-1334
- **Phone:** (815) 469-6646 · **Fax:** (815) 469-6647
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians (Obstetrics/Gynecology) reassign Medicare billing to this organization (form CMS-855R); 3 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 25, 2009
- **Other identifiers:** Medicare ID-Type Unspecified 964470 (IL); Medicare UPIN D94002 (IL)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1679775423) · Data from the CMS NPPES public registry.