CATHERINE B. GAHN NP
NPI 1588815880
Nurse Practitioner in Baton Rouge, LA
About Catherine B. Gahn Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE B. GAHN NP (NPI 1588815880) is an individual nurse practitioner in Baton Rouge, Louisiana, licensed in Louisiana (AP04564) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS, is affiliated with Ochsner Lafayette General Medical Center, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Catherine B. Gahn Np 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
5Medicare enrollment records show Catherine Gahn reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70836
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Baton Rouge, LA 70806
- Reassigned Medicare billing, Louisiana enrollment
- 112 clinicians in this Medicare group
Baton Rouge, LA 70816
- Reassigned Medicare billing, Louisiana enrollment
- 71 clinicians in this Medicare group
Lafayette, LA 70506
- Reassigned Medicare billing, Louisiana enrollment
- Medicare enrollment name: University Hospital & Clinics, Inc.
- 206 clinicians in this Medicare group
Alexandria, LA 71301
- Reassigned Medicare billing, Louisiana enrollment
- 178 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Lafayette General Medical Center
Acute Care Hospitals · Lafayette, LAOchsner University Hospital And Clinics
Acute Care Hospitals · Lafayette, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70809 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 27
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Catherine Gahn's NPI number?
The NPI number for Catherine Gahn is 1588815880. It was assigned to this individual provider in the NPPES registry on October 5, 2008.
Where is Catherine Gahn located?
Catherine Gahn practices at 9001 Summa Ave, Baton Rouge, LA 70809. The listed phone number is (800) 813-2224.
What is Catherine Gahn's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Catherine Gahn enrolled in Medicare?
Yes. Catherine Gahn 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 Catherine Gahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Gahn reassigns Medicare benefits to 5 organizations: Ochsner Clinic LLC (Baton Rouge, LA), Red Stick Emergency Group LLC (Baton Rouge, LA), Mayfair Emergency Group, LLC (Baton Rouge, LA), University Hospital And Clinics, Inc. (Lafayette, LA) and Acs Primary Care Physicians Louisiana PC (Alexandria, 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 Catherine Gahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Gahn accept?
Health plans from Blue Cross and Blue Shield of Louisiana, CHRISTUS Health Plan and HMO Louisiana list Catherine Gahn 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 Catherine Gahn affiliated with any hospitals?
According to CMS data, Catherine Gahn is affiliated with Ochsner Lafayette General Medical Center and Ochsner University Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Catherine Gahn was last updated on October 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Catherine B. Gahn, NP · NPI 1588815880
Nurse Practitioner physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since October 5, 2008.
## Identity
- **NPI:** 1588815880 (Entity type: Individual)
- **Enumerated:** October 5, 2008
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP04564 (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9001 SUMMA AVE, Baton Rouge, LA 70809-3726
- **Phone:** (800) 813-2224
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1407848443, Baton Rouge, LA); Red Stick Emergency Group LLC (NPI 1275705998, Baton Rouge, LA); Mayfair Emergency Group, LLC (NPI 1750870226, Baton Rouge, LA); University Hospital And Clinics, Inc. (NPI 1265042782, Lafayette, LA); Acs Primary Care Physicians Louisiana PC (NPI 1306889092, Alexandria, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** October 22, 2019
- **Other identifiers:** Medicaid 08775560 (MS); Medicaid 1345920 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1588815880) · Data from the CMS NPPES public registry.