DR. TERRY LEE LARSEN D.O.
NPI 1144340712
Surgery in Sisseton, SD
About Dr. Terry Lee Larsen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TERRY LEE LARSEN D.O. (NPI 1144340712) is an individual surgery provider in Sisseton, South Dakota, licensed in Vermont (032.0066383) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Huron Regional Medical Center, and maintains a secondary practice location in St Johnsbury.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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. Terry Lee Larsen D.o. 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 Reassignments
2Medicare enrollment records show Terry Larsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sisseton, SD 57262
- Reassigned Medicare billing, South Dakota enrollment
- 16 clinicians in this Medicare group
De Smet, SD 57231
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1154312429 (South Dakota)
- 120 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Huron Regional Medical Center
Critical Access Hospitals · Huron, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57262 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 20
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 Terry Larsen's NPI number?
The NPI number for Terry Larsen is 1144340712. It was assigned to this individual provider in the NPPES registry on March 29, 2007.
Where is Terry Larsen located?
Terry Larsen practices at 205 Orchard Dr, Sisseton, SD 57262. The listed phone number is (605) 698-4665.
What is Terry Larsen's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Terry Larsen enrolled in Medicare?
Yes. Terry Larsen 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 organizations bill Medicare for Terry Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terry Larsen reassigns Medicare benefits to 2 organizations: Coteau Des Prairies Hospital (Sisseton, SD) and Huron Regional Medical Center (De Smet, SD). 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 Terry Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Terry Larsen accept?
Health plans from Avera Health Plans, Blue Cross Blue Shield of North Dakota, Sanford Health Plan and Wellmark of South Dakota, Inc. list Terry Larsen 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 Terry Larsen affiliated with any hospitals?
According to CMS data, Terry Larsen is affiliated with Huron Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Terry Larsen was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.