BYRON D. WILLIAMS MD
NPI 1063492205
Anesthesiology in El Dorado, AR
About Byron D. Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BYRON D. WILLIAMS MD (NPI 1063492205) is an individual anesthesiology provider in El Dorado, Arkansas, licensed in Massachusetts (78202) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Byron D. Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Byron Williams reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fayetteville, AR 72703
- Reassigned Medicare billing, Arkansas enrollment
- 185 clinicians in this Medicare group
Charlotte, NC 28262
- Reassigned Medicare billing, North Carolina enrollment
- 1,212 clinicians in this Medicare group
Huntingdon, PA 16652
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Lock Haven, PA 17745
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,405 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 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 3
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.
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.
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 Byron Williams's NPI number?
The NPI number for Byron Williams is 1063492205. It was assigned to this individual provider in the NPPES registry on January 21, 2006.
Where is Byron Williams located?
Byron Williams practices at 700 W Grove St, El Dorado, AR 71730. The listed phone number is (954) 838-2371.
What is Byron Williams's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Byron Williams enrolled in Medicare?
Yes. Byron Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Byron Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Byron Williams reassigns Medicare benefits to 5 organizations: Premier Anesthesia Of Arkansas Professional Corporation (Fayetteville, AR), Chs Anesthesia Services Group Inc (Charlotte, NC), Geisinger Clinic (Huntingdon, PA), Geisinger-Hm Joint Venture, LLC (Lock Haven, PA) and Lahey Clinic, Inc. (Burlington, MA). 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 Byron Williams'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 Byron Williams was last updated on July 8, 2021. 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.