WILLIAM HENRY ENNIS M.D.
NPI 1245610914
Radiology - Radiation Oncology in Birmingham, AL
About William Henry Ennis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM HENRY ENNIS M.D. (NPI 1245610914) is an individual radiation oncology provider in Birmingham, Alabama, licensed in Alabama (MD39097) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
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 Henry Ennis M.d. 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 Ennis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Birmingham, AL 35243
- Reassigned Medicare billing, Alabama enrollment
- 2 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 17
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 35243 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ennis's NPI number?
The NPI number for William Ennis is 1245610914. It was assigned to this individual provider in the NPPES registry on June 8, 2015.
Where is William Ennis located?
William Ennis practices at 3670 Grandview Pkwy # 100, Birmingham, AL 35243. The listed phone number is (205) 971-1800.
What is William Ennis's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is William Ennis enrolled in Medicare?
Yes. William Ennis 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 Ennis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Ennis reassigns Medicare benefits to Alabama Radiation Therapy Services (Birmingham, AL). 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 Ennis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Ennis accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama list William Ennis 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 Ennis was last updated on June 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.