WILLIAM HALL
NPI 1245620376
Social Worker - Clinical in Denver, CO

Active since January 27, 2015PECOS Enrolled
777 BANNOCK ST, DENVER, CO 80204(720) 423-6300 Get Directions Write a Review

NPPES record last updated: November 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1245620376
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameWILLIAM HALL
Location Address777 BANNOCK STDenver, CO 80204-4597
Mailing Address175 S Pearl StDenver, CO 80209-2015 · (303) 842-7114
Sole ProprietorYes
Enumeration DateJanuary 27, 2015
Last NPPES UpdateNovember 26, 2024
NPPES CertifiedNovember 26, 2024
✔ NPI 1245620376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CO · CSW.09926726
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial Worker · SchoolTaxonomy 1041S0200X · License CSW.09926726 (CO)
777 BANNOCK ST, Denver, CO 80204

Secondary Practice Location 1

Location 1601 BroadwayDenver, CO 80204 · Phone (303) 842-7114

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

General Practice
777 BANNOCK ST
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.

New Patient
$0.00 typical visit price
range $58.06 – $174.82
Typical copayment $0.00 (range $14.51 – $43.70)
Most-billed visit code NA
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Clinical Nurse Specialist (Psychiatric/Mental Health)
777 BANNOCK ST
DENVER, CO 80204
Anesthesiology
777 BANNOCK ST
DENVER, CO 80204
Nurse Practitioner
777 BANNOCK ST
DENVER, CO 80204
Hospitalist
777 BANNOCK ST
DENVER, CO 80204
Social Worker (Clinical)
777 BANNOCK ST
DENVER, CO 80204
Nurse Practitioner
777 BANNOCK ST
DENVER, CO 80204
Physician Assistant
777 BANNOCK ST
DENVER, CO 80204
Family Medicine
777 BANNOCK ST
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.