CATHERINE E HERMSEN N.P.
NPI 1083931570
Nurse Practitioner - Adult Health in Dubuque, IA
About Catherine E Hermsen N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE E HERMSEN N.P. (NPI 1083931570) is an individual adult health provider in Dubuque, Iowa, licensed in Iowa (H-129875) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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)
Catherine E Hermsen N.p. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Catherine Hermsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dubuque, IA 52002
- Reassigned Medicare billing, Iowa enrollment
- 4 clinicians in this Medicare group
Dubuque, IA 52001
- Reassigned Medicare billing, Iowa enrollment
- 177 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 52002 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
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 Catherine Hermsen's NPI number?
The NPI number for Catherine Hermsen is 1083931570. It was assigned to this individual provider in the NPPES registry on April 23, 2010.
Where is Catherine Hermsen located?
Catherine Hermsen practices at 1670 Jfk Rd, Dubuque, IA 52002. The listed phone number is (563) 582-1220.
What is Catherine Hermsen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Catherine Hermsen enrolled in Medicare?
Yes. Catherine Hermsen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Catherine Hermsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Hermsen reassigns Medicare benefits to 2 organizations: Hospice Of Dubuque (Dubuque, IA) and The Finley Hospital (Dubuque, IA). 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 Catherine Hermsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Hermsen accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Dean Health Plan and 2 other insurers list Catherine Hermsen 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 Catherine Hermsen was last updated on August 5, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.