Doctor profile · Federal record

Dr. ISAAC JOHNSON, DC

Chiropractor (CMS: CHIROPRACTIC) · WATERTOWN, SD

  • NPI 1477104248
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
611 6TH ST SE
WATERTOWN, SD 572014938
(605) 882-0100
fax (605) 882-6911

Credentials & registration

NPPES · NUCC
NPI registered
September 2019 — 7 yrs on file
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
South Dakota #1355

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477104248. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
483
Distinct HCPCS
3
Medicare allowed
$18,093
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 373 140 $39
98940 Chiropractic manipulative treatment, 1-2 spinal regions 90 51 $27
98942 Chiropractic manipulative treatment, 5 spinal regions 20 18 $51

In context: peer comparison

Among 4 peers in this city , average services per provider: 213. This provider delivers 2.3× the peer median.