WILLIAM FOX JR
NPI 1427542927
Nurse Practitioner - Adult Health in Litchfield Park, AZ
About William Fox Jr NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM FOX JR (NPI 1427542927) is an individual adult health provider in Litchfield Park, Arizona, licensed in Arizona (AP11408) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and maintains a secondary practice location in Phoenix.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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 (PECOS)
William Fox Jr is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Fox Jr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Buckeye, AZ 85326
- Reassigned Medicare billing, Arizona enrollment
- 321 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 85340 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITCHFIELD PARK, AZ 85340
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 Fox Jr's NPI number?
The NPI number for William Fox Jr is 1427542927. It was assigned to this individual provider in the NPPES registry on June 18, 2018.
Where is William Fox Jr located?
William Fox Jr practices at 19590 W San Miguel Ave, Litchfield Park, AZ 85340. The listed phone number is (623) 377-0825.
What is William Fox Jr's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is William Fox Jr enrolled in Medicare?
Yes. William Fox Jr is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Fox Jr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Fox Jr reassigns Medicare benefits to Good Health Medical, PLLC (Buckeye, AZ). 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 Fox Jr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Fox Jr accept?
Health plans from Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list William Fox Jr 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 Fox Jr was last updated on December 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# William Fox Jr · NPI 1427542927
Adult Health physician in Litchfield Park, Arizona. Individual provider, active in the CMS NPPES registry since June 18, 2018.
## Identity
- **NPI:** 1427542927 (Entity type: Individual)
- **Enumerated:** June 18, 2018
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** AP11408 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 19590 W SAN MIGUEL AVE, Litchfield Park, AZ 85340-5422
- **Phone:** (623) 377-0825
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Good Health Medical, PLLC (NPI 1326927724, Buckeye, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 18, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1427542927) · Data from the CMS NPPES public registry.