COLLIER WILLIAMS MD
NPI 1205455979
Anesthesiology in Birmingham, AL
About Collier Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLLIER WILLIAMS MD (NPI 1205455979) is an individual anesthesiology provider in Birmingham, Alabama, licensed in Alabama (42948) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (2020).
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
Collier Williams 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 Reassignment
Medicare enrollment records show Collier Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Birmingham, AL 35233
- Reassigned Medicare billing, Alabama enrollment
- 4,494 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BIRMINGHAM, AL 35205
BIRMINGHAM, AL 35205
BIRMINGHAM, AL 35205
BIRMINGHAM, AL 35205
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 Collier Williams's NPI number?
The NPI number for Collier Williams is 1205455979. It was assigned to this individual provider in the NPPES registry on April 13, 2020.
Where is Collier Williams located?
Collier Williams practices at 810 Saint Vincents Dr, Birmingham, AL 35205. The listed phone number is (205) 939-7000.
What is Collier Williams's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Collier Williams enrolled in Medicare?
Yes. Collier Williams 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 Collier Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Collier Williams reassigns Medicare benefits to University Of Alabama Health Services Foundation, PC (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 Collier Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Collier Williams accept?
Health plans from Blue Cross and Blue Shield of Alabama list Collier Williams 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 Collier Williams was last updated on July 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Collier Williams, MD · NPI 1205455979
Anesthesiology physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since April 13, 2020.
## Identity
- **NPI:** 1205455979 (Entity type: Individual)
- **Enumerated:** April 13, 2020
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 42948 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 810 SAINT VINCENTS DR, Birmingham, AL 35205-1601
- **Phone:** (205) 939-7000
## 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:** University Of Alabama Health Services Foundation, PC (NPI 1124213376, Birmingham, AL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Alabama School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1205455979) · Data from the CMS NPPES public registry.