DR. BARBARA E LARSON M.D.
NPI 1316994858
Anesthesiology in South Bend, IN
About Dr. Barbara E Larson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARBARA E LARSON M.D. (NPI 1316994858) is an individual anesthesiology provider in South Bend, Indiana, licensed in Indiana (01051945A) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1998).
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
Dr. Barbara E Larson M.d. 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 Barbara Larson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Bend, IN 46635
- Reassigned Medicare billing, Indiana enrollment
- 19 clinicians in this Medicare group
Elkhart, IN 46514
- Reassigned Medicare billing, Indiana enrollment
- Medicare enrollment name: Great Lakes Anesthesia PC
- 16 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 3
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.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH BEND, IN 46617
SOUTH BEND, IN 46617
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 Barbara Larson's NPI number?
The NPI number for Barbara Larson is 1316994858. It was assigned to this individual provider in the NPPES registry on May 30, 2006.
Where is Barbara Larson located?
Barbara Larson practices at 801 E Lasalle Ave Anesthesia Department, South Bend, IN 46617. The listed phone number is (574) 237-7111.
What is Barbara Larson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Barbara Larson enrolled in Medicare?
Yes. Barbara Larson 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 Barbara Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Larson reassigns Medicare benefits to 2 organizations: Allied Physicians Surgery Center, LLC (South Bend, IN) and Great Lakes Anesthesia, P.C. (Elkhart, IN). 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 Barbara Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Barbara Larson accept?
Health plans from CareSource list Barbara Larson 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 Barbara Larson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Barbara E Larson, M.D. · NPI 1316994858
Anesthesiology physician in South Bend, Indiana. Individual provider, active in the CMS NPPES registry since May 30, 2006.
## Identity
- **NPI:** 1316994858 (Entity type: Individual)
- **Enumerated:** May 30, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 01051945A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 E LASALLE AVE, ANESTHESIA DEPARTMENT, South Bend, IN 46617-2814
- **Phone:** (574) 237-7111
## 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): Allied Physicians Surgery Center, LLC (NPI 1669032942, South Bend, IN); Great Lakes Anesthesia, P.C. (NPI 1720039977, Elkhart, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN H63334; Medicare ID-Type Unspecified 169130U
---
Source: [NPI Profile](https://npiprofile.com/npi/1316994858) · Data from the CMS NPPES public registry.