DR. WILLIAM J SEDER DC
NPI 1912054842
Chiropractor in Manitowoc, WI
About Dr. William J Seder Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM J SEDER DC (NPI 1912054842) is an individual chiropractor in Manitowoc, Wisconsin, licensed in Wisconsin (4038-012) and active in the NPI registry since January 2007. He is a graduate of Palmer College Chiropractic - Davenport (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. William J Seder Dc 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 William Seder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Manitowoc, WI 54220
- Reassigned Medicare billing, Wisconsin enrollment
- 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 William Seder's NPI number?
The NPI number for William Seder is 1912054842. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is William Seder located?
William Seder practices at 814 Jay St, Manitowoc, WI 54220. The listed phone number is (920) 686-0328.
What is William Seder's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is William Seder enrolled in Medicare?
Yes. William Seder 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 William Seder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Seder reassigns Medicare benefits to Apple Clinic Sc (Manitowoc, WI). 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 William Seder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Seder accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners, Medica and UnitedHealthcare list William Seder 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 Seder was last updated on November 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. William J Seder, DC · NPI 1912054842
Chiropractor provider in Manitowoc, Wisconsin. Individual provider, active in the CMS NPPES registry since January 4, 2007.
## Identity
- **NPI:** 1912054842 (Entity type: Individual)
- **Enumerated:** January 4, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 4038-012 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 814 JAY ST, Manitowoc, WI 54220-4520
- **Phone:** (920) 686-0328 · **Fax:** (920) 686-1035
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Apple Clinic Sc (NPI 1275566606, Manitowoc, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 2004
## Record status
- **NPPES last updated:** November 16, 2020
- **Other identifiers:** Medicaid 38953200 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1912054842) · Data from the CMS NPPES public registry.