KARLA KATHERINE WEHRHEIM
NPI 1013233022
Pediatrics - Pediatric Cardiology in Oak Lawn, IL
About Karla Katherine Wehrheim NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARLA KATHERINE WEHRHEIM (NPI 1013233022) is an individual pediatric cardiology provider in Oak Lawn, Illinois, licensed in Illinois (036131967) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and is a graduate of Medical College Of Wisconsin (2010).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Karla Katherine Wehrheim 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
4Medicare enrollment records show Karla Wehrheim reassigns Medicare billing to 4 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
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 205 clinicians in this Medicare group
Naperville, IL 60540
- Reassigned Medicare billing, Illinois enrollment
- 268 clinicians in this Medicare group
Naperville, IL 60540
- Reassigned Medicare billing, Illinois enrollment
- 61 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILOther Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
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 Karla Wehrheim's NPI number?
The NPI number for Karla Wehrheim is 1013233022. It was assigned to this individual provider in the NPPES registry on April 15, 2010.
Where is Karla Wehrheim located?
Karla Wehrheim practices at 4440 West 95th Street Pediatric Cardiology, Oak Lawn, IL 60453. The listed phone number is (708) 648-5580.
What is Karla Wehrheim's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Karla Wehrheim enrolled in Medicare?
Yes. Karla Wehrheim 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 Karla Wehrheim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karla Wehrheim reassigns Medicare benefits to 4 organizations: Advocate Health & Hospitals Corporation (Oak Lawn, IL), Elmhurst Memorial Hospital (Elmhurst, IL), Edward Hospital (Naperville, IL) and Naperville Psychiatric Ventures (Naperville, 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 Karla Wehrheim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karla Wehrheim accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Karla Wehrheim 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.
Is Karla Wehrheim affiliated with any hospitals?
According to CMS data, Karla Wehrheim is affiliated with Advocate Christ Hospital & Medical Center and Advocate Lutheran General Hospital.
When was this NPI record last updated?
The NPPES record for Karla Wehrheim was last updated on May 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.