THERESA HAGEN CNM, RN, APNP
NPI 1356463053
Advanced Practice Midwife in Onalaska, WI
About Theresa Hagen Cnm, Rn, Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA HAGEN CNM, RN, APNP (NPI 1356463053) is an individual advanced practice midwife in Onalaska, Wisconsin, licensed in Wisconsin (148805-032) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in La Crosse.
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)
Theresa Hagen Cnm, Rn, Apnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Theresa Hagen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,003 clinicians in this Medicare group
Osseo, WI 54758
- Reassigned Medicare billing, Wisconsin enrollment
- 1,248 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 54650 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.
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 Theresa Hagen's NPI number?
The NPI number for Theresa Hagen is 1356463053. It was assigned to this individual provider in the NPPES registry on April 4, 2007.
Where is Theresa Hagen located?
Theresa Hagen practices at 191 Theater Rd, Onalaska, WI 54650. The listed phone number is (608) 785-0940.
What is Theresa Hagen's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Theresa Hagen enrolled in Medicare?
Yes. Theresa Hagen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Theresa Hagen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Hagen reassigns Medicare benefits to 2 organizations: Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI) and Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Osseo, WI). 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 Theresa Hagen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Hagen accept?
Health plans from Anthem Blue Cross and Blue Shield and Security Health Plan list Theresa Hagen 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 Theresa Hagen was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.