ARIANA OORLOG OTR/L
NPI 1487397949
Occupational Therapist in Butte, MT

Active since April 13, 2022
400 S CLARK ST, BUTTE, MT 59701(605) 661-2412 Get Directions Write a Review

NPPES record last updated: April 13, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1487397949
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameARIANA OORLOGCredential: OTR/L
Location Address400 S CLARK STButte, MT 59701-2328
Mailing Address400 S Clark StButte, MT 59701-2328
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 13, 2022
NPPES CertifiedApril 13, 2022
✔ NPI 1487397949 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
400 S CLARK ST, Butte, MT 59701

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).

PECOS PAC ID2163804386
PECOS Enrollment IDI20260617003552

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.

Critical Access
604 1ST ST NE
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.

Registered Nurse
400 S CLARK ST
BUTTE, MT 59701
Nurse Anesthetist, Certified Registered
400 S CLARK ST
BUTTE, MT 59701
Registered Nurse (Continuing Education/Staff Development)
400 S CLARK ST
BUTTE, MT 59701
General Acute Care Hospital (Rural)
400 S CLARK ST
BUTTE, MT 59701
Pathology (Anatomic Pathology & Clinical Pathology)
400 S CLARK ST
BUTTE, MT 59701
Anesthesiology
400 S CLARK ST
BUTTE, MT 59701
Physical Therapist
400 S CLARK ST
BUTTE, MT 59701
Internal Medicine
400 S CLARK ST
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.