Marc N. Duncan, DC
Chiropractor · Anamosa, IA
Marc N. Duncan, DC is a chiropractor with a practice address in Anamosa, Iowa, and NPI 1770571366, issued on Oct 9, 2005. Check the license (Iowa A05664, 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
- Marc N. Duncan
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- A05664 IA
Self-reported in NPPES; status is on the state search - Practice location
- 405 E Main St, Anamosa, IA 52205
- Phone
- (319) 462-3120
- Enumerated
- Oct 9, 2005
- Record last updated
- Aug 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (319) 462-3254
- Medicaid ID
- 1090100 IA
- Medicare enrollment
- Enrolled (PECOS I20050511000578); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 1992
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,019 in Iowa → Look up another NPI →
Verify Marc N. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A05664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marc N. Duncan among 2,019 chiropractor records in Iowa
Marc N. Duncan, DC 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileNo · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1992 · median 2007 among the 1,145 with a school on file
- Record last updated2012 · 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).
2 chiropractor records list a practice address in Anamosa
They are 2 of the 77 NPPES records with a practice address in Anamosa, 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 Anamosa → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Jodie Merritt, DCAnamosa, IA 522051932179470
- Christopher Engel, D.C.Amana, IA 522031487646626
- Anthony Lewis, D.C.Amana, IA 522031831181015
- Bradley Uthoff, D.C.Amana, IA 522031699010728
- Stephanie Uthoff, D.C.Amana, IA 522031467797647
- Tad Jacobi, DCBelle Plaine, IA 522081801033345
- Gary Parsons, DCNewton, IA 522081326016965
- Angela Walter, D.C.Blairstown, IA 522091588768766
Common questions
What is Marc N. Duncan, DC's NPI number?
Marc N. Duncan, DC's National Provider Identifier (NPI) is 1770571366, issued on Oct 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marc N. Duncan, DC located?
The NPPES record lists a practice address at 405 E Main St, Anamosa, IA, 52205. Phone: (319) 462-3120. Providers update this record themselves, so call before visiting.
How can I verify Marc N. Duncan, DC's license?
NPPES lists Iowa license number A05664, 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.