DR. JOHN S NELSON DC
NPI 1356355853
Chiropractor in Spearfish, SD
About Dr. John S Nelson Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN S NELSON DC (NPI 1356355853) is an individual chiropractor in Spearfish, South Dakota, licensed in South Dakota (SD-555) and active in the NPI registry since July 2006. He is a graduate of Northwestern College Of Chiropractic (1976).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Dr. John S Nelson Dc 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 John Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Spearfish, SD 57783
- 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 2
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 4
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 John Nelson's NPI number?
The NPI number for John Nelson is 1356355853. It was assigned to this individual provider in the NPPES registry on July 28, 2006. The provider is also known as J S Nelson Dc.
Where is John Nelson located?
John Nelson practices at 1930 North Ave, Spearfish, SD 57783. The listed phone number is (605) 642-5196.
What is John Nelson's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Nelson enrolled in Medicare?
Yes. John Nelson 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 John Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Nelson reassigns Medicare benefits to J S Nelson P C (Spearfish, 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 John Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Nelson accept?
Health plans from Avera Health Plans, Oscar Insurance Company, Sanford Health Plan and Wellmark of South Dakota, Inc. list John Nelson 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 John Nelson was last updated on October 22, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. John S Nelson, DC · NPI 1356355853
Chiropractor provider in Spearfish, South Dakota. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1356355853 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** SD-555 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1930 NORTH AVE, Spearfish, SD 57783-0127
- **Phone:** (605) 642-5196 · **Fax:** (605) 642-4409
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** J S Nelson P C (NPI 1508061896, Spearfish, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern College Of Chiropractic, class of 1976
## Record status
- **NPPES last updated:** October 22, 2007
- **Other identifiers:** Medicare PIN S83998 (SD); Other S3089 (SD); Medicare UPIN T66492 (SD); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1356355853) · Data from the CMS NPPES public registry.