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DR. GREG S LONG DC
NPI 1629027107
Chiropractor in Viborg, SD

Active since May 10, 2006Accepts Medicare Assignment
102 N. MAIN, VIBORG, SD 57070(605) 766-2225(605) 766-3305 Get Directions Write a Review

NPPES record last updated: August 7, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Greg S Long Dc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREG S LONG DC (NPI 1629027107) is an individual chiropractor in Viborg, South Dakota, licensed in South Dakota (900) and active in the NPI registry since May 2006. He is a graduate of Palmer College Chiropractic - Davenport (1998).

NPPES Registry Identity

NPI1629027107
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. GREG S LONGCredential: DC
Location Address102 N. MAINViborg, SD 57070-0203
Mailing Address102 N. MainViborg, SD 57070-0203 · (605) 766-2225 · Fax (605) 766-3305
Phone(605) 766-2225
Fax(605) 766-3305
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 1998
Enumeration DateMay 10, 2006
Last NPPES UpdateAugust 7, 2009
✔ NPI 1629027107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in SD · 900✔ Licensed in IA · 06316
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
102 N. MAIN, Viborg, SD 57070
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Other Identifiers 2

Medicare UPINU72661IA
Medicare PINS101070

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Sanford Health Plan, Wellmark of South Dakota, Inc..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. Greg S Long 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.

PECOS PAC ID5597729939
PECOS Enrollment IDI20060810000130

Medicare Billing Reassignments

2

Medicare enrollment records show Greg Long reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Boone Family Chiropractic P.C.
Same address
Chiropractor
102 N MAIN ST.
Viborg, SD 57070
  • Reassigned Medicare billing, South Dakota enrollment
NPI 1871523555 (605) 766-2225
Parker Chiropractic PC
16 mi
Chiropractor
380 N. MAIN AVE.
Parker, SD 57053
  • Reassigned Medicare billing, South Dakota enrollment
NPI 1982855441 (605) 297-4481

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.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
777 services158 patients
Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
129 services59 patients

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 Greg Long's NPI number?

The NPI number for Greg Long is 1629027107. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Greg Long located?

Greg Long practices at 102 N. Main, Viborg, SD 57070. The listed phone number is (605) 766-2225.

What is Greg Long's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Greg Long enrolled in Medicare?

Yes. Greg Long 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 Greg Long's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greg Long reassigns Medicare benefits to 2 organizations: Boone Family Chiropractic P.C. (Viborg, SD) and Parker Chiropractic PC (Parker, 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 Greg Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Greg Long accept?

Health plans from Avera Health Plans, Sanford Health Plan and Wellmark of South Dakota, Inc. list Greg Long 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 Greg Long was last updated on August 7, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.