Doctor profile · Federal record

Dr. Greg Long, DC

Chiropractor (CMS: Chiropractic) · Chiropractor · Viborg, SD

  • NPI 1629027107
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
102 N. Main
Viborg, SD 570700203
(605) 766-2225
fax (605) 766-3305

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 7, 2009
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
111N00000X — NUCC code
State licenses (2)
South Dakota #900 · Iowa #06316

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629027107. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,040
Distinct HCPCS
2
Medicare allowed
$39,126
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 900 189 $39
98940 Chiropractic manipulative treatment, 1-2 spinal regions 140 56 $27

In context: peer comparison

Among 1 peers in this city , average services per provider: 520. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg Long's medical specialty?
Dr. Greg Long practices Chiropractor in Viborg, SD.
Where does Dr. Greg Long practice?
Dr. Greg Long practices at 102 N. Main, Viborg, SD 570700203. Office phone: 6057662225.
What is Dr. Greg Long's NPI?
Dr. Greg Long's National Provider Identifier (NPI) is 1629027107, issued by NPPES.
Does Dr. Greg Long accept Medicare assignment?
Yes. Dr. Greg Long accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Long commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.