KATHARINE ISAACSON MD
NPI 1902485550
Emergency Medicine in Gretna, LA
About Katharine Isaacson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHARINE ISAACSON MD (NPI 1902485550) is an individual emergency medicine provider in Gretna, Louisiana, licensed in Louisiana (341525) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Tulane University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Katharine Isaacson 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 Katharine Isaacson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 240 clinicians in this Medicare group
Kenner, LA 70065
- Reassigned Medicare billing, Louisiana enrollment
- 181 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.
Ochsner Medical Center Acute
Acute Care Hospitals · New Orleans, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70056 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.
GRETNA, LA 70056
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 Katharine Isaacson's NPI number?
The NPI number for Katharine Isaacson is 1902485550. It was assigned to this individual provider in the NPPES registry on April 2, 2021. The provider is also known as Kacie Isaacson.
Where is Katharine Isaacson located?
Katharine Isaacson practices at 120 Ochsner Blvd, Gretna, LA 70056. The listed phone number is (504) 371-9355.
What is Katharine Isaacson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Katharine Isaacson enrolled in Medicare?
Yes. Katharine Isaacson 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 Katharine Isaacson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Isaacson reassigns Medicare benefits to 2 organizations: Belle Chasse Emergency Group LLC (New Orleans, LA) and Kenner Emergency Group LLC (Kenner, LA). 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 Katharine Isaacson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katharine Isaacson accept?
Health plans from CHRISTUS Health Plan list Katharine Isaacson 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 Katharine Isaacson affiliated with any hospitals?
According to CMS data, Katharine Isaacson is affiliated with Ochsner Medical Center Acute.
When was this NPI record last updated?
The NPPES record for Katharine Isaacson was last updated on July 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Katharine Isaacson, MD · NPI 1902485550
Emergency Medicine physician in Gretna, Louisiana. Individual provider, active in the CMS NPPES registry since April 2, 2021.
## Identity
- **NPI:** 1902485550 (Entity type: Individual)
- **Enumerated:** April 2, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 341525 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 120 OCHSNER BLVD, Gretna, LA 70056-5255
- **Phone:** (504) 371-9355
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Belle Chasse Emergency Group LLC (NPI 1851714075, New Orleans, LA); Kenner Emergency Group LLC (NPI 1013986546, Kenner, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** July 16, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1902485550) · Data from the CMS NPPES public registry.