LEAH FAYE MATALON O'CALLAGHAN C-AA
NPI 1184115453
Anesthesiologist Assistant in Atlanta, GA
About Leah Faye Matalon O'callaghan C-aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH FAYE MATALON O'CALLAGHAN C-AA (NPI 1184115453) is an individual anesthesiologist assistant in Atlanta, Georgia, licensed in Georgia (8835) and active in the NPI registry since May 2018. She is affiliated with Saint Joseph's Hospital Of Atlanta, Inc, maintains 6 additional practice locations, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2018).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 6
Group Practice 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
Leah Faye Matalon O'callaghan C-aa 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
3Medicare enrollment records show Leah O'callaghan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30309
- Reassigned Medicare billing, Georgia enrollment
- 441 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 179 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 713 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
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.
Saint Joseph's Hospital Of Atlanta, Inc
Acute Care Hospitals · Atlanta, GAMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 30309
ATLANTA, GA 30309
ATLANTA, GA 30309
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 Leah O'callaghan's NPI number?
The NPI number for Leah O'callaghan is 1184115453. It was assigned to this individual provider in the NPPES registry on May 22, 2018. The provider is also known as Leah Faye Matalon.
Where is Leah O'callaghan located?
Leah O'callaghan practices at 1968 Peachtree Rd NW, Atlanta, GA 30309. The listed phone number is (678) 216-0771.
What is Leah O'callaghan's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Leah O'callaghan enrolled in Medicare?
Yes. Leah O'callaghan 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 Leah O'callaghan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah O'callaghan reassigns Medicare benefits to 3 organizations: Piedmont Anesthesia Associates, L.L.C (Atlanta, GA), Physician Specialists In Anesthesia, P.C. (Atlanta, GA) and Piedmont Anesthesia LLC (Stockbridge, GA). 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 Leah O'callaghan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leah O'callaghan accept?
Health plans from Oscar Health list Leah O'callaghan 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 Leah O'callaghan affiliated with any hospitals?
According to CMS data, Leah O'callaghan is affiliated with Saint Joseph's Hospital Of Atlanta, Inc.
When was this NPI record last updated?
The NPPES record for Leah O'callaghan was last updated on February 11, 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.