STEPHANIE JOHANNSEN FNP-C
NPI 1376260414
Nurse Practitioner - Family in Waterloo, IA
About Stephanie Johannsen Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE JOHANNSEN FNP-C (NPI 1376260414) is an individual family provider in Waterloo, Iowa, licensed in Iowa (A171452) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS, is affiliated with Mercyone Waterloo Medical Center, and is a graduate of Other (2022).
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 and accepts Medicare assignment
Stephanie Johannsen Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Stephanie Johannsen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waterloo, IA 50702
- Reassigned Medicare billing, Iowa enrollment
- 70 clinicians in this Medicare group
Waterloo, IA 50702
- Reassigned Medicare billing, Iowa enrollment
- 48 clinicians in this Medicare group
Waverly, IA 50677
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1033125463 (Iowa)
- 66 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone Waterloo Medical Center
Acute Care Hospitals · Waterloo, IAWaverly Health Center
Critical Access Hospitals · Waverly, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50702 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.
WATERLOO, IA 50702
WATERLOO, IA 50702
WATERLOO, IA 50702
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 Johannsen's NPI number?
The NPI number for Stephanie Johannsen is 1376260414. It was assigned to this individual provider in the NPPES registry on October 19, 2022.
Where is Stephanie Johannsen located?
Stephanie Johannsen practices at 3421 W 9th St, Waterloo, IA 50702. The listed phone number is (319) 272-8000.
What is Stephanie Johannsen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Stephanie Johannsen enrolled in Medicare?
Yes. Stephanie Johannsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephanie Johannsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Johannsen reassigns Medicare benefits to 3 organizations: Iowa Emergency Physicians LLP (Waterloo, IA), Waterloo Emergency Physicians, LLC (Waterloo, IA) and Waverly Health Center (Waverly, 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 Stephanie Johannsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Johannsen accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Stephanie Johannsen 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.
Is Stephanie Johannsen affiliated with any hospitals?
According to CMS data, Stephanie Johannsen is affiliated with Mercyone Waterloo Medical Center and Waverly Health Center.
When was this NPI record last updated?
The NPPES record for Stephanie Johannsen was last updated on October 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Stephanie Johannsen, FNP-C · NPI 1376260414
Family physician in Waterloo, Iowa. Individual provider, active in the CMS NPPES registry since October 19, 2022.
## Identity
- **NPI:** 1376260414 (Entity type: Individual)
- **Enumerated:** October 19, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** A171452 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 3421 W 9TH ST, Waterloo, IA 50702-5401
- **Phone:** (319) 272-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Iowa Emergency Physicians LLP (NPI 1386879427, Waterloo, IA); Waterloo Emergency Physicians, LLC (NPI 1649013038, Waterloo, IA); Waverly Health Center (NPI 1447299953, Waverly, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** October 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1376260414) · Data from the CMS NPPES public registry.