NPPES file of Aug 9, 2026

Gregory S. Gruba, DC

Chiropractor · Rapid City, SD

Gregory S. Gruba, DC is a chiropractor with a practice address in Rapid City, South Dakota, and NPI 1063485720, issued on Feb 10, 2006. Check the license (South Dakota 735, as entered in NPPES) with the South Dakota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063485720
Name
Gregory S. Gruba
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
735 SD
Self-reported in NPPES; status is on the state search
Practice location
402 Saint Joseph St Ste 2, Rapid City, SD 57701
Phone
(605) 791-1770
Enumerated
Feb 10, 2006
Record last updated
Jun 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(605) 791-2368
Medicare enrollment
Enrolled (PECOS I20100324000837); accepts Medicare assignment
Medical or professional school
Palmer College Chiropractic - Davenport, 1988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gregory S. Gruba in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license 735
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

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Gregory S. Gruba among 533 chiropractor records in South Dakota

Gregory S. Gruba, DC is one of 533 chiropractor records with a practice address in South Dakota. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 59% newer
  • In a Medicare fileNo · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1988 · median 2008 among the 339 with a school on file
  • Record last updated2020 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 chiropractor records list a practice address in Rapid City

They are 75 of the 3,017 NPPES records with a practice address in Rapid City, and 533 chiropractor records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 chiropractor records with the nearest ZIP codes

  1. Jeffrey Burns, D.C.Rapid City, SD 577011144202144
  2. Timothy Henderson, DCRapid City, SD 577011174571780
  3. Vicki Koebernick, D.C.Rapid City, SD 577011649342577
  4. Daniel Lecy, D.C.Rapid City, SD 577011871537936
  5. Douglas Lecy, D.C.Rapid City, SD 577011740225259
  6. Robin Lecy, D.C.Rapid City, SD 577011639109598
  7. David McDonald, DCRapid City, SD 577011609943737
  8. Gregory Scherr, DCRapid City, SD 577011447328034

Common questions

What is Gregory S. Gruba, DC's NPI number?

Gregory S. Gruba, DC's National Provider Identifier (NPI) is 1063485720, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory S. Gruba, DC located?

The NPPES record lists a practice address at 402 Saint Joseph St Ste 2, Rapid City, SD, 57701. Phone: (605) 791-1770. Providers update this record themselves, so call before visiting.

How can I verify Gregory S. Gruba, DC's license?

NPPES lists South Dakota license number 735, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.