ARIANA OORLOG OTR/L
NPI 1487397949
Occupational Therapist in Butte, MT
About Ariana Oorlog Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIANA OORLOG OTR/L (NPI 1487397949) is an individual occupational therapist in Butte, Montana and active in the NPI registry since April 2022. She is a graduate of Other (2021).
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)
Ariana Oorlog Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ariana Oorlog reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wessington Springs, SD 57382
- Reassigned Medicare billing, South Dakota enrollment
- 227 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.
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.
BUTTE, MT 59701
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 Ariana Oorlog's NPI number?
The NPI number for Ariana Oorlog is 1487397949. It was assigned to this individual provider in the NPPES registry on April 13, 2022.
Where is Ariana Oorlog located?
Ariana Oorlog practices at 400 S Clark St, Butte, MT 59701. The listed phone number is (605) 661-2412.
What is Ariana Oorlog's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Ariana Oorlog enrolled in Medicare?
Yes. Ariana Oorlog is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ariana Oorlog's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariana Oorlog reassigns Medicare benefits to Avera Queen Of Peace (Wessington Springs, SD). 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 Ariana Oorlog's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ariana Oorlog accept?
Health plans from Oscar Insurance Company and Wellmark of South Dakota, Inc. list Ariana Oorlog 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 Ariana Oorlog was last updated on April 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.