KAITLIN M O'SULLIVAN MD
NPI 1073132981
Emergency Medicine in Atlanta, GA

Active since April 10, 2020PECOS EnrolledAccepts Medicare Assignment
49 JESSE HILL JR DR SE, ATLANTA, GA 30303(404) 251-8865 Get Directions Write a Review

NPPES record last updated: September 10, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 10, 2023, Apr 10, 2020 (2 updates tracked since 2020).

About Kaitlin M O'sullivan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAITLIN M O'SULLIVAN MD (NPI 1073132981) is an individual emergency medicine provider in Atlanta, Georgia, licensed in Georgia (96786) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and is a graduate of Georgetown University School Of Medicine (2020).

NPPES Registry Identity

NPI1073132981
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameKAITLIN M O'SULLIVANCredential: MD
Location Address49 JESSE HILL JR DR SEAtlanta, GA 30303-3049
Mailing Address955 Juniper St Ne Unit 4332Atlanta, GA 30309-5116 · (321) 446-5628
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2020
Enumeration DateApril 10, 2020
Last NPPES UpdateSeptember 10, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2023
✔ NPI 1073132981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in GA · 96786
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.
49 JESSE HILL JR DR SE, Atlanta, GA 30303

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

Kaitlin M O'sullivan 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 ID8921452616
PECOS Enrollment IDI20250818000843
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Kaitlin O'sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
3950 AUSTELL RD
Austell, GA 30106
  • Reassigned Medicare billing, Georgia enrollment
  • 353 clinicians in this Medicare group
General Acute Care Hospital
1493 CAMBRIDGE ST
Cambridge, MA 02139
  • Reassigned Medicare billing, Massachusetts enrollment
  • 719 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 2

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.
80 services79 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.
36 services36 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cambridge Health Alliance

Acute Care Hospitals · Cambridge, MA
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number220011
Location1493 Cambridge StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30303 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
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

Physician Assistant
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Internal Medicine (Hematology & Oncology)
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Student in an Organized Health Care Education/Training Program
49 JESSE HILL JR DR SE
ATLANTA, GA 30303
Pediatrics
49 JESSE HILL JR DR SE
ATLANTA, GA 30303

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 Kaitlin O'sullivan's NPI number?

The NPI number for Kaitlin O'sullivan is 1073132981. It was assigned to this individual provider in the NPPES registry on April 10, 2020.

Where is Kaitlin O'sullivan located?

Kaitlin O'sullivan practices at 49 Jesse Hill Jr Dr SE, Atlanta, GA 30303. The listed phone number is (404) 251-8865.

What is Kaitlin O'sullivan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Kaitlin O'sullivan enrolled in Medicare?

Yes. Kaitlin O'sullivan 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 Kaitlin O'sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kaitlin O'sullivan reassigns Medicare benefits to 2 organizations: The Bortolazzo Group, LLC (Austell, GA) and Cambridge Public Health Commission (Cambridge, 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 Kaitlin O'sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kaitlin O'sullivan accept?

Health plans from Oscar Health, Oscar Insurance Company and Taro Health list Kaitlin O'sullivan 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 Kaitlin O'sullivan affiliated with any hospitals?

According to CMS data, Kaitlin O'sullivan is affiliated with Cambridge Health Alliance.

When was this NPI record last updated?

The NPPES record for Kaitlin O'sullivan was last updated on September 10, 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.