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STEPHANIE LYNNE IENN MSN, ARNP, PMHNP-BC
NPI 1184550956
Nurse Practitioner - Psychiatric/Mental Health in Sioux City, IA

Active since June 19, 2026PECOS Enrolled
800 5TH ST, SIOUX CITY, IA 51101(712) 202-0777 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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.

NPPES Registry Identity

NPI1184550956
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSTEPHANIE LYNNE IENNCredential: MSN, ARNP, PMHNP-BC
Location Address800 5TH STSioux City, IA 51101-1303
Mailing Address800 5th StSioux City, IA 51101-1303 · (712) 202-0777
Phone(712) 202-0777
Sole ProprietorNo
Enumeration DateJune 19, 2026
NPPES CertifiedJune 19, 2026
✔ NPI 1184550956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in IA · G191845
800 5TH ST, Sioux City, IA 51101
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ROXANN SMITH CADC
Counselor (Addiction (Substance Use Disorder))
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2323
LYNDA DARLING CADC
Counselor (Mental Health)
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2384
LORI MEWS CADC
Counselor (Addiction (Substance Use Disorder))
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2382
JODY COX CADC
Counselor (Addiction (Substance Use Disorder))
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2354
DAWN BECKWITH LMHC
Counselor (Mental Health)
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2367
DR. DAVID GERHARDT PAULSRUD MD
Family Medicine (Addiction Medicine)
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2349
JENNA COOPER LMSW
Social Worker
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2300
ELOISA ESTRADA CADC
Counselor (Addiction (Substance Use Disorder))
800 5TH ST
SIOUX CITY, IA 51101
Woodbury County (712) 234-2334

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.

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 47 days 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.