Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. William Joseph Alfieri, DC

Individual provider Chiropractor · NPI 1437143203

Mr. William Joseph Alfieri, DC is a Chiropractic in Portage, Michigan. Graduated from Palmer College Chiropractic - Davenport in 1979, 47 years ago. Practices with William J Alfieri DC PC, a 2-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
47
Trained at
Palmer College Chiropractic - Davenport
Licensed in
MI
In the registry since
2005
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

925 W Milham Ave
Portage, MI 49024-1248
Phone: (269) 327-8990
Fax: (269) 327-6214
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence WM004080 (MI)

Record details

NPI number1437143203
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedSeptember 7, 2005
Last updated in NPPESMarch 14, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolPALMER COLLEGE CHIROPRACTIC - DAVENPORT
Graduated 1979 (47 years in practice)
Group practice William J Alfieri Dc Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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