Gary Allen Merkwan, CHIROPRACTOR
Chiropractor · Yankton, SD
Gary Allen Merkwan, CHIROPRACTOR is a chiropractor with a practice address in Yankton, South Dakota, and NPI 1528155926, issued on Oct 6, 2006. Check the license (South Dakota 561, 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.
- Name
- Gary Allen Merkwan
- Credential
- CHIROPRACTOR
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 561 SD
Self-reported in NPPES; status is on the state search - Practice location
- 2708 East South Dakota Highway 50, Yankton, SD 57078
- Phone
- (605) 665-3503
- Enumerated
- Oct 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Gary Allen Merkwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license 561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14 chiropractor records list a practice address in Yankton
They are 14 of the 515 NPPES records with a practice address in Yankton, and 533 chiropractor records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14 in Yankton → All 533 in South Dakota → Every provider in Yankton →
Other chiropractor records in South Dakota
- Sharon Adams, DCSioux Falls, SD1114943826
- Kristen Ahlers, DCFlandreau, SD1497111637
- Bruce Albrecht, DCMitchell, SD1598724486
- Samuel Alfred, DCSioux Falls, SD1861092181
- Zak Alfstad, D.C.Rapid City, SD1093067993
- David Allen, D.C.Sioux Falls, SD1457321275
- Kari Allen, D.C.Watertown, SD1235118670
- Drew Anderson, D.C.Wagner, SD1134334766
- Grant Anderson, D.C.Brookings, SD1477787174
- Kendall Anderson, D.C.Rapid City, SD1700914355
Common questions
What is Gary Allen Merkwan, CHIROPRACTOR's NPI number?
Gary Allen Merkwan, CHIROPRACTOR's National Provider Identifier (NPI) is 1528155926, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Allen Merkwan, CHIROPRACTOR located?
The NPPES record lists a practice address at 2708 East South Dakota Highway 50, Yankton, SD, 57078. Phone: (605) 665-3503. Providers update this record themselves, so call before visiting.
How can I verify Gary Allen Merkwan, CHIROPRACTOR's license?
NPPES lists South Dakota license number 561, 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.