STEPHANIE LYNNE IENN MSN, ARNP, PMHNP-BC
NPI 1184550956
Nurse Practitioner - Psychiatric/Mental Health in Sioux City, IA
About Stephanie Lynne Ienn Msn, Arnp, Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE LYNNE IENN MSN, ARNP, PMHNP-BC (NPI 1184550956) is an individual psychiatric/mental health provider in Sioux City, Iowa, licensed in Iowa (G191845) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2026).
NPPES Registry Identity
Specialties & Licenses
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)
Stephanie Lynne Ienn Msn, Arnp, Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephanie Ienn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux City, IA 51101
- Reassigned Medicare billing, Iowa enrollment
- 20 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 51101 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 Stephanie Ienn's NPI number?
The NPI number for Stephanie Ienn is 1184550956. It was assigned to this individual provider in the NPPES registry on June 19, 2026.
Where is Stephanie Ienn located?
Stephanie Ienn practices at 800 5th St, Sioux City, IA 51101. The listed phone number is (712) 202-0777.
What is Stephanie Ienn's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Stephanie Ienn enrolled in Medicare?
Yes. Stephanie Ienn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephanie Ienn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Ienn reassigns Medicare benefits to Jackson Recovery Centers, Inc. (Sioux City, IA). 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 Stephanie Ienn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Ienn accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Wellmark Health Plan of Iowa, Inc. list Stephanie Ienn 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 Stephanie Ienn was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.