ABIGAIL WILLIAMSON MD
NPI 1245967009
Student in an Organized Health Care Education/Training Program in Savannah, GA
About Abigail Williamson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABIGAIL WILLIAMSON MD (NPI 1245967009) is an individual student in an organized health care education/training program in Savannah, Georgia, licensed in Georgia (14828) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Morehouse School Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Abigail 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 Reassignment
Medicare enrollment records show Abigail Williamson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brunswick, GA 31523
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Gateway Community Service Board
- 70 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.
SAVANNAH, GA 31405
SAVANNAH, GA 31405
SAVANNAH, GA 31405
SAVANNAH, GA 31405
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 Abigail Williamson's NPI number?
The NPI number for Abigail Williamson is 1245967009. It was assigned to this individual provider in the NPPES registry on August 2, 2022. The provider is also known as Abigail Kahn.
Where is Abigail Williamson located?
Abigail Williamson practices at 601 E 66th St, Savannah, GA 31405. The listed phone number is (912) 662-0088.
What is Abigail Williamson's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Abigail Williamson enrolled in Medicare?
Yes. Abigail 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 organization bills Medicare for Abigail Williamson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Williamson reassigns Medicare benefits to Gateway Behavioral Health Services (Brunswick, GA). 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 Abigail Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abigail Williamson accept?
Health plans from Oscar Health list Abigail 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.
When was this NPI record last updated?
The NPPES record for Abigail Williamson was last updated on June 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Abigail Williamson, MD · NPI 1245967009
Student in an Organized Health Care Education/Training Program provider in Savannah, Georgia. Individual provider, active in the CMS NPPES registry since August 2, 2022.
## Identity
- **NPI:** 1245967009 (Entity type: Individual)
- **Enumerated:** August 2, 2022
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **State license:** 14828 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 E 66TH ST, Savannah, GA 31405-4519
- **Phone:** (912) 662-0088
## 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:** Gateway Behavioral Health Services (NPI 1124254321, Brunswick, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Morehouse School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** June 23, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1245967009) · Data from the CMS NPPES public registry.