Doctor profile · Federal record
Dr. Gregory Gruba, DC
Chiropractor (CMS: Chiropractic) · Rapid City, SD
- NPI 1063485720
- Accepts Medicare
- 38 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
402 Saint Joseph St Ste 2
Rapid City, SD 577013081
(605) 791-1770
fax (605) 791-2368
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- June 5, 2020
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- South Dakota #735
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063485720. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
882
Distinct HCPCS
2
Medicare allowed
$28,380
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 516 | 120 | $27 | |
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 366 | 74 | $39 |
In context: peer comparison
Among 12 peers in Rapid City Chiropractor, average services per provider: 407. This provider delivers 2.2× the peer median.Frequently asked questions
What is Dr. Gregory Gruba's medical specialty?
Dr. Gregory Gruba practices Chiropractor in Rapid City, SD.
Where does Dr. Gregory Gruba practice?
Dr. Gregory Gruba practices at 402 Saint Joseph St Ste 2, Rapid City, SD 577013081. Office phone: 6057911770.
What is Dr. Gregory Gruba's NPI?
Dr. Gregory Gruba's National Provider Identifier (NPI) is 1063485720, issued by NPPES.
Does Dr. Gregory Gruba accept Medicare assignment?
Yes. Dr. Gregory Gruba accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Gruba commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940); Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.