DR. WILLIAM K BRIX MD
NPI 1982818555
Pathology - Anatomic Pathology & Clinical Pathology in Huntsville, AL
About Dr. William K Brix Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM K BRIX MD (NPI 1982818555) is an individual anatomic pathology & clinical pathology provider in Huntsville, Alabama, licensed in Alabama (30155) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. William K Brix 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 Brix reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Huntsville, AL 35805
- Reassigned Medicare billing, Alabama enrollment
- 13 clinicians in this Medicare group
Huntsville, AL 35805
- Reassigned Medicare billing, Alabama enrollment
- 111 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 30
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 35805 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 Brix's NPI number?
The NPI number for William Brix is 1982818555. It was assigned to this individual provider in the NPPES registry on May 10, 2007.
Where is William Brix located?
William Brix practices at 2904 Westcorp Blvd SW Ste 107, Huntsville, AL 35805. The listed phone number is (256) 533-1480.
What is William Brix's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is William Brix enrolled in Medicare?
Yes. William Brix 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 Brix's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Brix reassigns Medicare benefits to 2 organizations: Pathology Associates, P.C. (Huntsville, AL) and Oncology Specialties, P.C. (Huntsville, 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 Brix's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Brix accept?
Health plans from Blue Cross and Blue Shield of Alabama list William Brix 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 Brix was last updated on July 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. William K Brix, MD · NPI 1982818555
Anatomic Pathology & Clinical Pathology physician in Huntsville, Alabama. Individual provider, active in the CMS NPPES registry since May 10, 2007.
## Identity
- **NPI:** 1982818555 (Entity type: Individual)
- **Enumerated:** May 10, 2007
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 30155 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 2904 WESTCORP BLVD SW STE 107, Huntsville, AL 35805-6436
- **Phone:** (256) 533-1480 · **Fax:** (256) 535-0715
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Pathology Associates, P.C. (NPI 1386626083, Huntsville, AL); Oncology Specialties, P.C. (NPI 1669425716, Huntsville, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2004
## Record status
- **NPPES last updated:** July 8, 2010
- **Other identifiers:** Medicaid 118862 (AL); Other 511-05980 (AL)
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Source: [NPI Profile](https://npiprofile.com/npi/1982818555) · Data from the CMS NPPES public registry.