WILLIAM EATON SMITH DO
NPI 1477256501
Family Medicine in Gilbert, AZ
About William Eaton Smith Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM EATON SMITH DO (NPI 1477256501) is an individual family medicine provider in Gilbert, Arizona, licensed in Arizona (012323) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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 Eaton Smith Do 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 Smith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 271 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 85296 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GILBERT, AZ 85296
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 Smith's NPI number?
The NPI number for William Smith is 1477256501. It was assigned to this individual provider in the NPPES registry on March 27, 2023.
Where is William Smith located?
William Smith practices at 155 E Warner Rd, Gilbert, AZ 85296. The listed phone number is (480) 649-6600.
What is William Smith's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Smith enrolled in Medicare?
Yes. William Smith 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 Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Smith reassigns Medicare benefits to Banner Primary Care Physicians Arizona LLC (Phoenix, 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 Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Smith accept?
Health plans from Ambetter Health and Ambetter from Arizona Complete Health list William Smith 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 Smith was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William Eaton Smith, DO · NPI 1477256501
Family Medicine physician in Gilbert, Arizona. Individual provider, active in the CMS NPPES registry since March 27, 2023.
## Identity
- **NPI:** 1477256501 (Entity type: Individual)
- **Enumerated:** March 27, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 012323 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 155 E WARNER RD, Gilbert, AZ 85296-3082
- **Phone:** (480) 649-6600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Banner Primary Care Physicians Arizona LLC (NPI 1417238908, Phoenix, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** June 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477256501) · Data from the CMS NPPES public registry.