ABBIE LOUISE SCHAA ARNP
NPI 1386995447
Nurse Practitioner in Waterloo, IA
About Abbie Louise Schaa Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABBIE LOUISE SCHAA ARNP (NPI 1386995447) is an individual nurse practitioner in Waterloo, Iowa, licensed in Iowa (A122322) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Marshalltown, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 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)
Abbie Louise Schaa Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Abbie Schaa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waterloo, IA 50703
- Reassigned Medicare billing, Iowa enrollment
- 273 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 5
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unitypoint Health - Marshalltown
Acute Care Hospitals · Marshalltown, IAAllen Hospital
Acute Care Hospitals · Waterloo, IAGrundy County Memorial Hospital
Critical Access Hospitals · Grundy Center, IABuchanan County Health Center
Critical Access Hospitals · Independence, IAWaverly Health Center
Critical Access Hospitals · Waverly, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50703 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WATERLOO, IA 50703
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 Abbie Schaa's NPI number?
The NPI number for Abbie Schaa is 1386995447. It was assigned to this individual provider in the NPPES registry on September 28, 2012. The provider is also known as Ms. Abbie Louise Schwarck Arnp.
Where is Abbie Schaa located?
Abbie Schaa practices at 419 E Donald St, Waterloo, IA 50703. The listed phone number is (319) 236-1911.
What is Abbie Schaa's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Abbie Schaa enrolled in Medicare?
Yes. Abbie Schaa is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Abbie Schaa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abbie Schaa reassigns Medicare benefits to Allen Memorial Hospital Corporation (Waterloo, 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 Abbie Schaa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abbie Schaa accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Abbie Schaa 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 Abbie Schaa affiliated with any hospitals?
According to CMS data, Abbie Schaa is affiliated with Unitypoint Health - Marshalltown, Allen Hospital, Grundy County Memorial Hospital, Buchanan County Health Center and Waverly Health Center.
When was this NPI record last updated?
The NPPES record for Abbie Schaa was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.