Derek Grenfell, D.C.
Chiropractor · Sturgeon Bay, WI
Derek Grenfell, D.C. is a chiropractor with a practice address in Sturgeon Bay, Wisconsin, and NPI 1972908895, issued on Nov 4, 2014. Check the license (Wisconsin 5045-12, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Derek Grenfell
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 5045-12 WI
Self-reported in NPPES; status is on the state search - Practice location
- 185 E Walnut St # 140, Sturgeon Bay, WI 54235
- Phone
- (920) 256-2365
- Enumerated
- Nov 4, 2014
- Record last updated
- May 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Derek Grenfell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 5045-12Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10 chiropractor records list a practice address in Sturgeon Bay
They are 10 of the 350 NPPES records with a practice address in Sturgeon Bay, and 2,550 chiropractor records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10 in Sturgeon Bay → All 2,550 in Wisconsin → Every provider in Sturgeon Bay →
Other chiropractor records in Wisconsin
- Gregory Abbott, D.C.Appleton, WI1942588942
- Miranda AbbottAppleton, WI1932487931
- Christopher Abel, D.C.Neenah, WI1578691143
- James Abens, DCEau Claire, WI1528160496
- Jeffrey Aberle, D.C.Madison, WI1144310582
- Abdoullah Aboulhassani, D.CAppleton, WI1093806622
- Aaron Abplanalp, D.C.Madison, WI1578600656
- Randall Adams, D.C.Chippewa Falls, WI1134126519
- Teri Adams, D.C.Baldwin, WI1770653602
- John Aderholdt, D.C.Pickerel, WI1487710075
Common questions
What is Derek Grenfell, D.C.'s NPI number?
Derek Grenfell, D.C.'s National Provider Identifier (NPI) is 1972908895, issued on Nov 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Derek Grenfell, D.C. located?
The NPPES record lists a practice address at 185 E Walnut St # 140, Sturgeon Bay, WI, 54235. Phone: (920) 256-2365. Providers update this record themselves, so call before visiting.
How can I verify Derek Grenfell, D.C.'s license?
NPPES lists Wisconsin license number 5045-12, as entered by the provider. Search the Wisconsin 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.