William J Alfieri D.C., P.C.
About this NPIWhat this record shows.
NPI 1598987604 is registered to William J Alfieri D.C., P.C., a healthcare organisation classified as "Chiropractor" and located at 925 W Milham Ave in Portage, Michigan. The organisation's authorised official is William Alfieri. The organisation has been enumerated in the NPI registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 764733MI· Issued by FIRST HEALTH
- 649415MI· Issued by ACN
- 138342MI· Issued by PREFERRED CHOICES PPO
- 0C95034MI· Issued by MEDICARE PART B
- 4430054MI· Issued by IBA
- 4430054MI· Issued by UNITED HEALTHCARE
- 0C95034· Issued by MEDICARE ID TYPE UNSPECIF
- 155514MI· Issued by GREAT LAKES HEALTH PLAN
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Part B Supplier
- O20080204000671Clinic/Group PracticeMI
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans William J Alfieri D.C., P.C. accepts. To confirm in-network status with your specific health plan, contact William J Alfieri D.C., P.C. directly at (269) 327-8990.
Frequently asked
Yes. NPI 1598987604 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Chiropractor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (269) 327-8990.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. William J Alfieri D.C., P.C. is a Type-2 organisational NPI.