HANNAH BUNCH STEIN MD
NPI 1477139970
Internal Medicine in Baton Rouge, LA
About Hannah Bunch Stein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH BUNCH STEIN MD (NPI 1477139970) is an individual internal medicine provider in Baton Rouge, Louisiana, licensed in Louisiana (341302) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2021).
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 and accepts Medicare assignment
Hannah Bunch Stein 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 Hannah Stein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 548 clinicians in this Medicare group
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.
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.
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.
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 Hannah Stein's NPI number?
The NPI number for Hannah Stein is 1477139970. It was assigned to this individual provider in the NPPES registry on March 23, 2021.
Where is Hannah Stein located?
Hannah Stein practices at 7777 Hennessy Blvd Ste 1010, Baton Rouge, LA 70808. The listed phone number is (225) 374-1780.
What is Hannah Stein's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hannah Stein enrolled in Medicare?
Yes. Hannah Stein 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 Hannah Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Stein reassigns Medicare benefits to 2 organizations: Lsuhn Billing LLC (Baton Rouge, LA) and Our Lady Of The Lake Physician Group LLC (Baton Rouge, 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 Hannah Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hannah Stein accept?
Health plans from AmeriHealth Caritas Next and HMO Louisiana list Hannah Stein 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 Hannah Stein affiliated with any hospitals?
According to CMS data, Hannah Stein is affiliated with Our Lady Of The Lake Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Hannah Stein was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Hannah Bunch Stein, MD · NPI 1477139970
Internal Medicine physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since March 23, 2021.
## Identity
- **NPI:** 1477139970 (Entity type: Individual)
- **Enumerated:** March 23, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 341302 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 7777 HENNESSY BLVD STE 1010, Baton Rouge, LA 70808-4300
- **Phone:** (225) 374-1780 · **Fax:** (225) 374-1781
## 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): Lsuhn Billing LLC (NPI 1306247556, Baton Rouge, LA); Our Lady Of The Lake Physician Group LLC (NPI 1033494943, Baton Rouge, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2021
## Record status
- **NPPES last updated:** July 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1477139970) · Data from the CMS NPPES public registry.