MS. KAREN WENNERBERG APN, CNM
NPI 1528447166
Advanced Practice Midwife in Chicago, IL
About Ms. Karen Wennerberg Apn, Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN WENNERBERG APN, CNM (NPI 1528447166) is an individual advanced practice midwife in Chicago, Illinois, licensed in Illinois (209012585) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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)
Ms. Karen Wennerberg Apn, Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Wennerberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 4,870 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 60657 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60657
CHICAGO, IL 60657
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 Karen Wennerberg's NPI number?
The NPI number for Karen Wennerberg is 1528447166. It was assigned to this individual provider in the NPPES registry on May 28, 2015.
Where is Karen Wennerberg located?
Karen Wennerberg practices at 3134 N Clark St, Chicago, IL 60657. The listed phone number is (773) 296-7032.
What is Karen Wennerberg's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Karen Wennerberg enrolled in Medicare?
Yes. Karen Wennerberg is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Wennerberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Wennerberg reassigns Medicare benefits to Advocate Health And Hospitals Corp. (Chicago, 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 Karen Wennerberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Wennerberg accept?
Health plans from Oscar Health list Karen Wennerberg 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 Karen Wennerberg was last updated on May 4, 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.