ABIGAIL P ERWIN MD
NPI 1073217246
Hospitalist in Baton Rouge, LA
About Abigail P Erwin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABIGAIL P ERWIN MD (NPI 1073217246) is an individual hospitalist provider in Baton Rouge, Louisiana, licensed in Louisiana (351573) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and maintains a secondary practice location in Charlottesville.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Abigail P Erwin 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 Reassignment
Medicare enrollment records show Abigail Erwin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 873 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Our Lady Of The Lake Regional Medical Center
Acute Care Hospitals · Baton Rouge, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70808 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.
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
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 Abigail Erwin's NPI number?
The NPI number for Abigail Erwin is 1073217246. It was assigned to this individual provider in the NPPES registry on March 29, 2023.
Where is Abigail Erwin located?
Abigail Erwin practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. The listed phone number is (225) 765-4050.
What is Abigail Erwin's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Abigail Erwin enrolled in Medicare?
Yes. Abigail Erwin 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 organization bills Medicare for Abigail Erwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Erwin reassigns Medicare benefits to Our Lady Of The Lake Physician Group 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 Abigail Erwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abigail Erwin accept?
Health plans from HMO Louisiana list Abigail Erwin 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 Abigail Erwin affiliated with any hospitals?
According to CMS data, Abigail Erwin is affiliated with Our Lady Of The Lake Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Abigail Erwin was last updated on April 27, 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.
# Abigail P Erwin, MD · NPI 1073217246
Hospitalist physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since March 29, 2023.
## Identity
- **NPI:** 1073217246 (Entity type: Individual)
- **Enumerated:** March 29, 2023
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 351573 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 5000 HENNESSY BLVD, Baton Rouge, LA 70808-4375
- **Phone:** (225) 765-4050
## 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:** Our Lady Of The Lake Physician Group LLC (NPI 1033494943, Baton Rouge, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2023
## Record status
- **NPPES last updated:** April 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1073217246) · Data from the CMS NPPES public registry.