REX P LAGERSTROM MD
NPI 1083679880
Internal Medicine in Louisville, KY
About Rex P Lagerstrom Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REX P LAGERSTROM MD (NPI 1083679880) is an individual internal medicine provider in Louisville, Kentucky, licensed in Kentucky (24848) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Rex P Lagerstrom Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Rex Lagerstrom reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40207
- Reassigned Medicare billing, Kentucky enrollment
- 1,441 clinicians in this Medicare group
Louisville, KY 40218
- Reassigned Medicare billing, Kentucky enrollment
- 1,896 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 40207 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOUISVILLE, KY 40207
LOUISVILLE, KY 40207
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 Rex Lagerstrom's NPI number?
The NPI number for Rex Lagerstrom is 1083679880. It was assigned to this individual provider in the NPPES registry on April 18, 2006.
Where is Rex Lagerstrom located?
Rex Lagerstrom practices at 4003 Kresge Way Ste 410, Louisville, KY 40207. The listed phone number is (502) 893-7462.
What is Rex Lagerstrom's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Rex Lagerstrom enrolled in Medicare?
Yes. Rex Lagerstrom is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rex Lagerstrom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rex Lagerstrom reassigns Medicare benefits to 2 organizations: Baptist Health Medical Group Inc (Louisville, KY) and Community Medical Associates, Inc. (Louisville, KY). 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 Rex Lagerstrom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rex Lagerstrom accept?
Health plans from CareSource list Rex Lagerstrom 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 Rex Lagerstrom was last updated on December 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.