Brett Allen Cornish, D.C.
Chiropractor · Mason City, IA
Brett Allen Cornish, D.C. is a chiropractor with a practice address in Mason City, Iowa, and NPI 1548404007, issued on Apr 28, 2009. Check the license (Iowa 007195, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Brett Allen Cornish
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 007195 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1911 4TH St SW, Mason City, IA 50401
- Phone
- (641) 201-1028
- Enumerated
- Apr 28, 2009
- Record last updated
- Oct 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090709000497); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 2009
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,019 in Iowa → Look up another NPI →
Verify Brett Allen Cornish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 007195Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Brett Allen Cornish among 2,019 chiropractor records in Iowa
Brett Allen Cornish, D.C. is one of 2,019 chiropractor records with a practice address in Iowa. 21% 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 43% newer
- In a Medicare fileNo · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2009 · median 2007 among the 1,145 with a school on file
- Record last updated2014 · 71% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 chiropractor records list a practice address in Mason City
They are 14 of the 866 NPPES records with a practice address in Mason City, and 2,019 chiropractor records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,019 in Iowa → Every provider in Mason City → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Damon Dornbier, D.C.Mason City, IA 504011811960586
- Richard Haas, D.C.Mason City, IA 504011770591703
- David Haas, DCMason City, IA 504011366454332
- Nolan Hirota, D.C.Mason City, IA 504011912441858
- Donald Hiscocks, D.C.Mason City, IA 504011568438364
- Joeli Koenig, DCMason City, IA 504011659171627
- Ronald Masters, D.C.Mason City, IA 504011588827471
- Scott Nelson, D.C.Mason City, IA 504011679558001
Common questions
What is Brett Allen Cornish, D.C.'s NPI number?
Brett Allen Cornish, D.C.'s National Provider Identifier (NPI) is 1548404007, issued on Apr 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Brett Allen Cornish, D.C. located?
The NPPES record lists a practice address at 1911 4TH St SW, Mason City, IA, 50401. Phone: (641) 201-1028. Providers update this record themselves, so call before visiting.
How can I verify Brett Allen Cornish, D.C.'s license?
NPPES lists Iowa license number 007195, as entered by the provider. Search the Iowa 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.