KAITLIN M O'SULLIVAN MD
NPI 1073132981
Emergency Medicine in Atlanta, GA
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
Specialties & Licenses 2
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.
Medicare Billing Reassignments
2Medicare 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.
Austell, GA 30106
- Reassigned Medicare billing, Georgia enrollment
- 353 clinicians in this Medicare group
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.
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, MAPhysician 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.
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.
ATLANTA, GA 30303
ATLANTA, GA 30303
ATLANTA, GA 30303
ATLANTA, GA 30303
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.