DR. NICHOLAS ALEXANDER ALFIERI D.C.
NPI 1659602308
Chiropractor in Portage, MI
About Dr. Nicholas Alexander Alfieri D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS ALEXANDER ALFIERI D.C. (NPI 1659602308) is an individual chiropractor in Portage, Michigan, licensed in Iowa (007257) and active in the NPI registry since January 2010. He is a graduate of Palmer College Chiropractic - Davenport (2009).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Nicholas Alexander Alfieri D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Nicholas Alfieri reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portage, MI 49024
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: William J Alfieri Dc PC
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nicholas Alfieri's NPI number?
The NPI number for Nicholas Alfieri is 1659602308. It was assigned to this individual provider in the NPPES registry on January 20, 2010.
Where is Nicholas Alfieri located?
Nicholas Alfieri practices at 925 W Milham Ave, Portage, MI 49024. The listed phone number is (269) 327-8990.
What is Nicholas Alfieri's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Nicholas Alfieri enrolled in Medicare?
Yes. Nicholas Alfieri is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Nicholas Alfieri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Alfieri reassigns Medicare benefits to William J Alfieri D.C., P.C. (Portage, MI). The 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 Nicholas Alfieri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Alfieri accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Nicholas Alfieri 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 Nicholas Alfieri was last updated on October 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Nicholas Alexander Alfieri, D.C. · NPI 1659602308
Chiropractor provider in Portage, Michigan. Individual provider, active in the CMS NPPES registry since January 20, 2010.
## Identity
- **NPI:** 1659602308 (Entity type: Individual)
- **Enumerated:** January 20, 2010
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 007257 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 925 W MILHAM AVE, Portage, MI 49024-1248
- **Phone:** (269) 327-8990 · **Fax:** (269) 327-6214
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** William J Alfieri D.C., P.C. (NPI 1598987604, Portage, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 2009
## Record status
- **NPPES last updated:** October 5, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1659602308) · Data from the CMS NPPES public registry.