WILLIAM HALL
NPI 1245620376
Social Worker - Clinical in Denver, CO
About William Hall NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM HALL (NPI 1245620376) is an individual clinical provider in Denver, Colorado, licensed in Colorado (CSW.09926726) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Denver.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Hall is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Hall reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80204
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 Hall's NPI number?
The NPI number for William Hall is 1245620376. It was assigned to this individual provider in the NPPES registry on January 27, 2015.
Where is William Hall located?
William Hall practices at 777 Bannock St, Denver, CO 80204. The listed phone number is (720) 423-6300.
What is William Hall's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is William Hall enrolled in Medicare?
Yes. William Hall is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Hall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Hall reassigns Medicare benefits to Denver Health And Hospital Authority (Denver, CO). 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 Hall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Hall was last updated on November 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.