Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. WILLIAM JAMES GAGLIANO
NPI 1962375576
Nurse Practitioner - Acute Care in Brookfield, WI

Active since September 29, 2025PECOS EnrolledAccepts Medicare Assignment
19333 W NORTH AVE, BROOKFIELD, WI 53045(262) 785-2220 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. William James Gagliano NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM JAMES GAGLIANO (NPI 1962375576) is an individual acute care provider in Brookfield, Wisconsin, licensed in Wisconsin (24967630) and active in the NPI registry since September 2025. He is enrolled in Medicare PECOS, is affiliated with Ascension All Saints Hospital, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1962375576
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMR. WILLIAM JAMES GAGLIANO
Location Address19333 W NORTH AVEBrookfield, WI 53045-4132
Mailing Address2479 N 88th StWauwatosa, WI 53226-1955
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateSeptember 29, 2025
Last NPPES UpdateOctober 5, 2026
NPPES CertifiedOctober 5, 2026
✔ NPI 1962375576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in WI · 24967630
19333 W NORTH AVE, Brookfield, WI 53045

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

Mr. William James Gagliano 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.

PECOS PAC ID4981187432
PECOS Enrollment IDI20260312001294
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 Gagliano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Urology
2600 N MAYFAIR RD, SUITE 580
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 6 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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension All Saints Hospital

Acute Care Hospitals · Racine, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520096
Location3801 Spring StRacine, WI 53405 · Racine County
Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53045 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
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.

Hospitalist
19333 W NORTH AVE
BROOKFIELD, WI 53045
Anesthesiology (Pain Medicine)
19333 W NORTH AVE
BROOKFIELD, WI 53045
Emergency Medicine
19333 W NORTH AVE
BROOKFIELD, WI 53045
Nurse Anesthetist, Certified Registered
19333 W NORTH AVE
BROOKFIELD, WI 53045
Anesthesiology (Pain Medicine)
19333 W NORTH AVE
BROOKFIELD, WI 53045
Nurse Anesthetist, Certified Registered
19333 W NORTH AVE
BROOKFIELD, WI 53045
Anesthesiology
19333 W NORTH AVE
BROOKFIELD, WI 53045
Pharmacy (Community/Retail Pharmacy)
19333 W NORTH AVE, SUITE 390
BROOKFIELD, WI 53045

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 Gagliano's NPI number?

The NPI number for William Gagliano is 1962375576. It was assigned to this individual provider in the NPPES registry on September 29, 2025.

Where is William Gagliano located?

William Gagliano practices at 19333 W North Ave, Brookfield, WI 53045. The listed phone number is (262) 785-2220.

What is William Gagliano's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is William Gagliano enrolled in Medicare?

Yes. William Gagliano 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 Gagliano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gagliano reassigns Medicare benefits to Metropolitan Urology Group, Sc (Milwaukee, 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 Gagliano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Gagliano accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan and Network Health list William Gagliano 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.

Is William Gagliano affiliated with any hospitals?

According to CMS data, William Gagliano is affiliated with Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for William Gagliano was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.