CATHERINE ANN JOHNSON MD
NPI 1477203339
Obstetrics & Gynecology in Baton Rouge, LA
About Catherine Ann Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE ANN JOHNSON MD (NPI 1477203339) is an individual obstetrics & gynecology provider in Baton Rouge, Louisiana, licensed in Louisiana (350906) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Catherine Ann Johnson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Catherine Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baton Rouge, LA 70817
- Reassigned Medicare billing, Louisiana enrollment
- 46 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70817 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BATON ROUGE, LA 70817
BATON ROUGE, LA 70817
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 Johnson's NPI number?
The NPI number for Catherine Johnson is 1477203339. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is Catherine Johnson located?
Catherine Johnson practices at 500 Rue De La Vie St Ste 100, Baton Rouge, LA 70817. The listed phone number is (512) 963-4796.
What is Catherine Johnson's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Catherine Johnson enrolled in Medicare?
Yes. Catherine Johnson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Catherine Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Johnson reassigns Medicare benefits to Louisiana Women's Healthcare Associates LLC. (Baton Rouge, LA). The 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 Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Johnson accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Catherine Johnson 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.
When was this NPI record last updated?
The NPPES record for Catherine Johnson was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 Ann Johnson, MD · NPI 1477203339
Obstetrics & Gynecology physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since March 24, 2022.
## Identity
- **NPI:** 1477203339 (Entity type: Individual)
- **Enumerated:** March 24, 2022
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 350906 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 500 RUE DE LA VIE ST STE 100, Baton Rouge, LA 70817-5128
- **Phone:** (512) 963-4796
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Louisiana Women's Healthcare Associates LLC. (NPI 1598834269, Baton Rouge, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477203339) · Data from the CMS NPPES public registry.