WILLIAM CARROLL HIXSON MD
NPI 1932183217
Radiology - Radiation Oncology in Fairhope, AL
About William Carroll Hixson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CARROLL HIXSON MD (NPI 1932183217) is an individual radiation oncology provider in Fairhope, Alabama, licensed in Alabama (MD.15856) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 13
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 Carroll Hixson Md 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 Reassignments
2Medicare enrollment records show William Hixson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mobile, AL 36604
- Reassigned Medicare billing, Alabama enrollment
- 48 clinicians in this Medicare group
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 394 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 12
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 36532 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Hixson's NPI number?
The NPI number for William Hixson is 1932183217. It was assigned to this individual provider in the NPPES registry on December 1, 2005.
Where is William Hixson located?
William Hixson practices at 1047 Fairhope Ave, Fairhope, AL 36532. The listed phone number is (251) 990-1850.
What is William Hixson's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is William Hixson enrolled in Medicare?
Yes. William Hixson 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 organizations bill Medicare for William Hixson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Hixson reassigns Medicare benefits to 2 organizations: Usa Health Physician Billing Services LLC (Mobile, AL) and University Of South Alabama (Mobile, AL). Each 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 Hixson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Hixson accept?
Health plans from Blue Cross and Blue Shield of Alabama, Molina Healthcare, Oscar Health Plan, Inc. and UnitedHealthcare list William Hixson 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 Hixson was last updated on December 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.