DR. LYNN M KOEHLER MD
NPI 1083606628
Internal Medicine in Homer Glen, IL
About Dr. Lynn M Koehler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LYNN M KOEHLER MD (NPI 1083606628) is an individual internal medicine provider in Homer Glen, Illinois, licensed in Illinois (036-077654) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Lynn M Koehler Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Lynn Koehler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60491 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
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 Lynn Koehler's NPI number?
The NPI number for Lynn Koehler is 1083606628. It was assigned to this individual provider in the NPPES registry on August 19, 2005.
Where is Lynn Koehler located?
Lynn Koehler practices at 15929 S Bell Rd, Homer Glen, IL 60491. The listed phone number is (708) 745-5600.
What is Lynn Koehler's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lynn Koehler enrolled in Medicare?
Yes. Lynn Koehler is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lynn Koehler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Koehler reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corporation (Oak Lawn, IL) and Dupage Medical Group Ltd (Downers Grove, IL). 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 Lynn Koehler'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 Lynn Koehler was last updated on July 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Lynn M Koehler, MD · NPI 1083606628
Internal Medicine physician in Homer Glen, Illinois. Individual provider, active in the CMS NPPES registry since August 19, 2005.
## Identity
- **NPI:** 1083606628 (Entity type: Individual)
- **Enumerated:** August 19, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036-077654 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 15929 S BELL RD, Homer Glen, IL 60491
- **Phone:** (708) 745-5600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Advocate Health And Hospitals Corporation (NPI 1174747075, Oak Lawn, IL); Dupage Medical Group Ltd (NPI 1801833983, Downers Grove, IL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 16, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1083606628) · Data from the CMS NPPES public registry.