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
- Primary practice
-
611 6Th St Se
Watertown, SD 572014938
(605) 882-0100
fax (605) 882-6911
Credentials & registration
- 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
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
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 Watertown Chiropractor, average services per provider: 213. This provider delivers 2.3× the peer median.Frequently asked questions
What is Dr. Isaac Johnson's medical specialty?
Dr. Isaac Johnson practices Chiropractor in Watertown, SD.
Where does Dr. Isaac Johnson practice?
Dr. Isaac Johnson practices at 611 6Th St Se, Watertown, SD 572014938. Office phone: 6058820100.
What is Dr. Isaac Johnson's NPI?
Dr. Isaac Johnson's National Provider Identifier (NPI) is 1477104248, issued by NPPES.
Does Dr. Isaac Johnson accept Medicare assignment?
Yes. Dr. Isaac Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Johnson 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); Chiropractic manipulative treatment, 5 spinal regions (HCPCS 98942). Source: CMS Medicare Physician & Other Practitioners file.