ANSLEY O'NEILL MD
NPI 1972130094
Emergency Medicine in Savannah, GA
About Ansley O'neill Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANSLEY O'NEILL MD (NPI 1972130094) is an individual emergency medicine provider in Savannah, Georgia, licensed in Georgia (89008) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Memorial University Medical Center, and is a graduate of Tufts University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
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
Ansley O'neill 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 Ansley O'neill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Savannah, GA 31404
- Reassigned Medicare billing, Georgia enrollment
- 75 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 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial University Medical Center
Acute Care Hospitals · Savannah, GAEffingham Health System
Critical Access Hospitals · Springfield, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31404 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.
SAVANNAH, GA 31404
SAVANNAH, GA 31404
SAVANNAH, GA 31404
SAVANNAH, GA 31404
SAVANNAH, GA 31404
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 Ansley O'neill's NPI number?
The NPI number for Ansley O'neill is 1972130094. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Ansley O'neill located?
Ansley O'neill practices at 4700 Waters Ave, Savannah, GA 31404. The listed phone number is (912) 350-8000.
What is Ansley O'neill's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ansley O'neill enrolled in Medicare?
Yes. Ansley O'neill 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 Ansley O'neill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ansley O'neill reassigns Medicare benefits to Hospitalist Medicine Physicians Of Georgia-Tcg, PC (Savannah, 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 Ansley O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ansley O'neill affiliated with any hospitals?
According to CMS data, Ansley O'neill is affiliated with Memorial University Medical Center and Effingham Health System.
When was this NPI record last updated?
The NPPES record for Ansley O'neill was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Ansley O'neill, MD · NPI 1972130094
Emergency Medicine physician in Savannah, Georgia. Individual provider, active in the CMS NPPES registry since March 26, 2020.
## Identity
- **NPI:** 1972130094 (Entity type: Individual)
- **Enumerated:** March 26, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 89008 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 4700 WATERS AVE, Savannah, GA 31404-6220
- **Phone:** (912) 350-8000
## 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:** Hospitalist Medicine Physicians Of Georgia-Tcg, PC (NPI 1306325840, Savannah, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** November 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1972130094) · Data from the CMS NPPES public registry.