DOUGLAS J. LARSON D.C.
NPI 1841265956
Chiropractor in Belle Fourche, SD
About Douglas J. Larson D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS J. LARSON D.C. (NPI 1841265956) is an individual chiropractor in Belle Fourche, South Dakota, licensed in South Dakota (689) and active in the NPI registry since February 2006. He is a graduate of Northwestern College Of Chiropractic (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Douglas J. Larson D.c. 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 Douglas Larson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Belle Fourche, SD 57717
- Reassigned Medicare billing, South Dakota enrollment
- 3 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
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.
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 Douglas Larson's NPI number?
The NPI number for Douglas Larson is 1841265956. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Douglas Larson located?
Douglas Larson practices at 1515 5th Ave Suite 101, Belle Fourche, SD 57717. The listed phone number is (605) 892-4845.
What is Douglas Larson's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Douglas Larson enrolled in Medicare?
Yes. Douglas Larson 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 Douglas Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Larson reassigns Medicare benefits to Tri-State Chiropractic, PC (Belle Fourche, 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 Douglas Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Larson accept?
Health plans from Avera Health Plans, Sanford Health Plan and Wellmark of South Dakota, Inc. list Douglas Larson 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 Douglas Larson was last updated on August 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Douglas J. Larson, D.C. · NPI 1841265956
Chiropractor provider in Belle Fourche, South Dakota. Individual provider, active in the CMS NPPES registry since February 22, 2006.
## Identity
- **NPI:** 1841265956 (Entity type: Individual)
- **Enumerated:** February 22, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 689 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1515 5TH AVE, SUITE 101, Belle Fourche, SD 57717-6031
- **Phone:** (605) 892-4845
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Tri-State Chiropractic, PC (NPI 1952559916, Belle Fourche, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern College Of Chiropractic, class of 1986
## Record status
- **NPPES last updated:** August 25, 2008
- **Other identifiers:** Medicare UPIN T66566 (SD); Medicare ID-Type Unspecified 86538 (SD); Medicaid 7602992 (SD); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1841265956) · Data from the CMS NPPES public registry.