WILLIAM ZAMORA D.O.
NPI 1053305185
Family Medicine in Phoenix, AZ
About William Zamora D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ZAMORA D.O. (NPI 1053305185) is an individual family medicine provider in Phoenix, Arizona, licensed in Arizona (DO2983) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Zamora D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Zamora reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- Medicare enrollment name: Providence General Medicine P C
- 5 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Zamora's NPI number?
The NPI number for William Zamora is 1053305185. It was assigned to this individual provider in the NPPES registry on September 2, 2005.
Where is William Zamora located?
William Zamora practices at 3104 East Indian School Rd Suite #100, Phoenix, AZ 85016. The listed phone number is (602) 840-3010.
What is William Zamora's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Zamora enrolled in Medicare?
Yes. William Zamora is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Zamora's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Zamora reassigns Medicare benefits to Providence General Medicine, PC (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 Zamora'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 Zamora was last updated on December 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.