SANDRA ARENS MSN RN
NPI 1528318870
Nurse Practitioner - Family in Elkhorn, WI
About Sandra Arens Msn Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDRA ARENS MSN RN (NPI 1528318870) is an individual family provider in Elkhorn, Wisconsin, licensed in Wisconsin (6012-33) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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)
Sandra Arens Msn Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sandra Arens reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elkhorn, WI 53121
- Reassigned Medicare billing, Wisconsin enrollment
- 2 clinicians in this Medicare group
Waukesha, WI 53188
- Reassigned Medicare billing, Wisconsin enrollment
- 18 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53121 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 2
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 Sandra Arens's NPI number?
The NPI number for Sandra Arens is 1528318870. It was assigned to this individual provider in the NPPES registry on September 13, 2012. The provider is also known as Sandra K Arens Apnp, Fnp-Bc.
Where is Sandra Arens located?
Sandra Arens practices at 100 S Washington St, Elkhorn, WI 53121. The listed phone number is (608) 201-1110.
What is Sandra Arens's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sandra Arens enrolled in Medicare?
Yes. Sandra Arens is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sandra Arens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Arens reassigns Medicare benefits to 2 organizations: Elkhorn Family Clinic (Elkhorn, WI) and Cary J Kohlenberg MD Sc (Waukesha, WI). 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 Sandra Arens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sandra Arens accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) list Sandra Arens 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 Sandra Arens was last updated on October 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.