Dennis Jay Willert, DC
Chiropractor · Brookings, SD
Dennis Jay Willert, DC is a chiropractor with a practice address in Brookings, South Dakota, and NPI 1467420752, issued on Mar 10, 2006. Check the license with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Jay Willert
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 06857 IA
Self-reported in NPPES; status is on the state search - Practice location
- 417 Main Avenue, Brookings, SD 57006
- Phone
- (605) 692-0123
- Enumerated
- Mar 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080125000428); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 2005
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 533 in South Dakota → Look up another NPI →
Verify Dennis Jay Willert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Willert Enterprises PCBrookings, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Jay Willert among 533 chiropractor records in South Dakota
Dennis Jay Willert, 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. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2005 · median 2008 among the 339 with a school on file
- Record last updated2007 · 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).
23 chiropractor records list a practice address in Brookings
They are 23 of the 375 NPPES records with a practice address in Brookings, and 533 chiropractor records in South Dakota.
All 533 in South Dakota → Every provider in Brookings → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Rodney Brandenburger, DCBrookings, SD 570061245347533
- Michele Brandenburger, DCBrookings, SD 570061316054604
- Kimarie Cauwels, DCBrookings, SD 570061811915523
- Steven Clites, DCBrookings, SD 570061093951550
- Ronald Cruz, D.C.Brookings, SD 570061649333212
- Jason Flaskey, D.C.Brookings, SD 570061063678506
- Chad Hungerford, D.C.Brookings, SD 570061083771083
- Mary Kleinjan, DC DACRB FICPA DACCPBrookings, SD 570061972567345
Common questions
What is Dennis Jay Willert, DC's NPI number?
Dennis Jay Willert, DC's National Provider Identifier (NPI) is 1467420752, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Jay Willert, DC located?
The NPPES record lists a practice address at 417 Main Avenue, Brookings, SD, 57006. Phone: (605) 692-0123. Providers update this record themselves, so call before visiting.
How can I verify Dennis Jay Willert, DC's license?
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. Medicare files from data.cms.gov. 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.