BARRY LANE WILLIAMSON MD
NPI 1992445068
Family Medicine in Huntsville, AL
About Barry Lane Williamson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BARRY LANE WILLIAMSON MD (NPI 1992445068) is an individual family medicine provider in Huntsville, Alabama, licensed in Alabama (MD.47254) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Wayne General Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Barry Lane Williamson 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
3Medicare enrollment records show Barry Williamson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 182 clinicians in this Medicare group
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 45 clinicians in this Medicare group
Waynesboro, MS 39367
- Reassigned Medicare billing, Mississippi enrollment
- 48 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wayne General Hospital
Acute Care Hospitals · Waynesboro, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35801 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HUNTSVILLE, AL 35801
HUNTSVILLE, AL 35801
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 Barry Williamson's NPI number?
The NPI number for Barry Williamson is 1992445068. It was assigned to this individual provider in the NPPES registry on March 29, 2022.
Where is Barry Williamson located?
Barry Williamson practices at 301 Governors Dr SW, Huntsville, AL 35801. The listed phone number is (256) 551-4500.
What is Barry Williamson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Barry Williamson enrolled in Medicare?
Yes. Barry Williamson 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 Barry Williamson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barry Williamson reassigns Medicare benefits to 3 organizations: Hh Physicians Network (Huntsville, AL), The Valley Foundation (Huntsville, AL) and Wayne General Hospital (Waynesboro, MS). 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 Barry Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Barry Williamson accept?
Health plans from Blue Cross and Blue Shield of Alabama, Cigna Healthcare, Molina Healthcare, Oscar Health Plan, Inc. and Oscar Insurance Company and 1 other insurer list Barry Williamson 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.
Is Barry Williamson affiliated with any hospitals?
According to CMS data, Barry Williamson is affiliated with Wayne General Hospital.
When was this NPI record last updated?
The NPPES record for Barry Williamson was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.