WILLIAM ERNEST SYLVANUS APPS DC
NPI 1194719948
Chiropractor in Wauwatosa, WI
About William Ernest Sylvanus Apps Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ERNEST SYLVANUS APPS DC (NPI 1194719948) is an individual chiropractor in Wauwatosa, Wisconsin, licensed in Wisconsin (3973) and active in the NPI registry since September 2005. He is a graduate of Other (2003).
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
William Ernest Sylvanus Apps 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 Apps reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wauwatosa, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
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
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 Apps's NPI number?
The NPI number for William Apps is 1194719948. It was assigned to this individual provider in the NPPES registry on September 8, 2005.
Where is William Apps located?
William Apps practices at 933 N Mayfair Rd Ste 107, Wauwatosa, WI 53226. The listed phone number is (414) 755-0016.
What is William Apps's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is William Apps enrolled in Medicare?
Yes. William Apps 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 Apps's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Apps reassigns Medicare benefits to Apps Chiropractic And Wellness Center Inc (Wauwatosa, 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 Apps's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Apps accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Network Health, Providence Health Plan and UnitedHealthcare list William Apps 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 Apps was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.