DR. BENJAMIN H OIEN
NPI 1932173911
Chiropractor in Sioux Falls, SD
About Dr. Benjamin H Oien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BENJAMIN H OIEN (NPI 1932173911) is an individual chiropractor in Sioux Falls, South Dakota, licensed in South Dakota (1049) and active in the NPI registry since February 2006. He is a graduate of Palmer College Chiropractic - Davenport (2004).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Dr. Benjamin H Oien 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 Reassignment
Medicare enrollment records show Benjamin Oien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
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
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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIOUX FALLS, SD 57105
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 Benjamin Oien's NPI number?
The NPI number for Benjamin Oien is 1932173911. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is Benjamin Oien located?
Benjamin Oien practices at 600 W 37th St, Sioux Falls, SD 57105. The listed phone number is (605) 274-6436.
What is Benjamin Oien's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Benjamin Oien enrolled in Medicare?
Yes. Benjamin Oien 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 organization bills Medicare for Benjamin Oien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Oien reassigns Medicare benefits to Benjamin H. Oien (Sioux Falls, 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 Benjamin Oien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Oien accept?
Health plans from Avera Health Plans, Sanford Health Plan and Wellmark of South Dakota, Inc. list Benjamin Oien 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 Benjamin Oien was last updated on December 27, 2013. 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.