NPPES file of Aug 9, 2026

Nicholas Alexander Alfieri, D.C.

Chiropractor · Portage, MI

Nicholas Alexander Alfieri, D.C. is a chiropractor with a practice address in Portage, Michigan, and NPI 1659602308, issued on Jan 20, 2010. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659602308
Name
Nicholas Alexander Alfieri
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
007257 IA
Self-reported in NPPES; status is on the state search
Practice location
925 W Milham Ave, Portage, MI 49024
Phone
(269) 327-8990
Enumerated
Jan 20, 2010
Record last updated
Oct 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(269) 327-6214
Medicare enrollment
Enrolled (PECOS I20121130000199); accepts Medicare assignment
Medical or professional school
Palmer College Chiropractic - Davenport, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 925 W Milham Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. William Alfieri, DCChiropractor1437143203

Verify Nicholas Alexander Alfieri in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

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Bills Medicare through one group practice

  1. William J Alfieri DC PCPortage, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicholas Alexander Alfieri among 3,058 chiropractor records in Michigan

Nicholas Alexander Alfieri, D.C. is one of 3,058 chiropractor records with a practice address in Michigan. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.

  • NPI issued2010 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 25% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2009 · median 2005 among the 1,743 with a school on file
  • Record last updated2012 · 74% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 chiropractor records list a practice address in Portage

They are 25 of the 1,492 NPPES records with a practice address in Portage, and 3,058 chiropractor records in Michigan.

The 8 chiropractor records with the nearest ZIP codes

  1. William Alfieri, DCPortage, MI 490241437143203
  2. Charles Carpentier, DCPortage, MI 490241417026386
  3. Jaan Douma, D.C.Portage, MI 490241912059668
  4. Megan Gotham, DCPortage, MI 490241972293215
  5. Sarah Malarney, D.C.Portage, MI 490241225434871
  6. Ryan Malarney, DCPortage, MI 490241295192748
  7. Michael Martini, DCPortage, MI 490241811548555
  8. Lauren MeiselPortage, MI 490241598587313

Common questions

What is Nicholas Alexander Alfieri, D.C.'s NPI number?

Nicholas Alexander Alfieri, D.C.'s National Provider Identifier (NPI) is 1659602308, issued on Jan 20, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Alexander Alfieri, D.C. located?

The NPPES record lists a practice address at 925 W Milham Ave, Portage, MI, 49024. Phone: (269) 327-8990. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Alexander Alfieri, D.C.'s license?

Search the Michigan 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.