ALFIERI CHIROPRACTIC CLINIC
NPI 1598987604
Chiropractor in Portage, MI
About Alfieri Chiropractic Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALFIERI CHIROPRACTIC CLINIC (NPI 1598987604) is a healthcare organization registered as a chiropractor in Portage, Michigan and active in the NPI registry since May 2007. The organization lists William Joseph Alfieri, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 9
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alfieri Chiropractic Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Alfieri Chiropractic Clinic, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William J Alfieri D.C., P.C.'s NPI number?
The NPI number for William J Alfieri D.C., P.C. is 1598987604. It was assigned to this organization in the NPPES registry on May 2, 2007. The provider is doing business as Alfieri Chiropractic Clinic.
Where is William J Alfieri D.C., P.C. located?
William J Alfieri D.C., P.C. is located at 925 W Milham Ave, Portage, MI 49024. The listed phone number is (269) 327-8990.
What is William J Alfieri D.C., P.C.'s specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is William J Alfieri D.C., P.C. enrolled in Medicare?
Yes. William J Alfieri D.C., P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through William J Alfieri D.C., P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Chiropractic, reassign their Medicare billing to William J Alfieri D.C., P.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does William J Alfieri D.C., P.C. accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list William J Alfieri D.C., P.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William J Alfieri D.C., P.C. was last updated on March 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alfieri Chiropractic Clinic · NPI 1598987604
Chiropractor organization in Portage, Michigan. Organization record, active in the CMS NPPES registry since May 2, 2007.
## Identity
- **NPI:** 1598987604 (Entity type: Organization)
- **Enumerated:** May 2, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **Legal business name:** William J Alfieri D.c., P.c.
- **Organization subpart:** No
- **Authorized official:** William Alfieri, PRESIDENT
## Practice location
- **Address:** 925 W MILHAM AVE, Portage, MI 49024-1248
- **Phone:** (269) 327-8990 · **Fax:** (269) 327-6214
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Chiropractic) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 14, 2008
- **Other identifiers:** Other 649415 (MI); Other 138342 (MI); Medicare UPIN T32960 (MI); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1598987604) · Data from the CMS NPPES public registry.