ANSLEY O'NEILL MD
NPI 1972130094
Emergency Medicine in Savannah, GA

Active since March 26, 2020PECOS EnrolledAccepts Medicare Assignment
4700 WATERS AVE, SAVANNAH, GA 31404(912) 350-8000 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 24, 2025, Mar 26, 2020 (2 updates tracked since 2020).

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

NPI1972130094
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameANSLEY O'NEILLCredential: MD
Location Address4700 WATERS AVESavannah, GA 31404-6220
Mailing Address4700 Waters AveSavannah, GA 31404-6220 · (912) 350-8000
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2020
Enumeration DateMarch 26, 2020
Last NPPES UpdateNovember 24, 20252 updates tracked since enumeration
NPPES CertifiedNovember 24, 2025
NPI 1972130094 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in GA · 89008
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
4700 WATERS AVE, Savannah, GA 31404

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID6709246788
PECOS Enrollment IDI20230721003395
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
243 services239 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
151 services149 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
65 services62 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
26 services26 patients

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, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110036
Location4700 Waters AvenueSavannah, GA 31404 · Chatham County
Emergency services Birthing friendly

Effingham Health System

Critical Access Hospitals · Springfield, GA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number111306
Location459 Ga Highway 119 SouthSpringfield, GA 31329 · Effingham County
Emergency services

Physician 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.

New Patient
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pediatrics (Neonatal-Perinatal Medicine)
4700 WATERS AVE
SAVANNAH, GA 31404
Student in an Organized Health Care Education/Training Program
4700 WATERS AVE
SAVANNAH, GA 31404
Obstetrics & Gynecology
4700 WATERS AVE, SUITE CAM 500
SAVANNAH, GA 31404
Specialist/Technologist (Athletic Trainer)
4700 WATERS AVE
SAVANNAH, GA 31404
General Practice
4700 WATERS AVE
SAVANNAH, GA 31404
Student in an Organized Health Care Education/Training Program
4700 WATERS AVE
SAVANNAH, GA 31404
Surgery (Surgical Critical Care)
4700 WATERS AVE
SAVANNAH, GA 31404
Emergency Medicine
4700 WATERS AVE
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.

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 8 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.